diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 456c1e89386a..6d8b2bf14de0 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -98,13 +98,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index, } if (unlikely(!PageUptodate(page))) { - if (page->index == sbi->metapage_eio_ofs) { - if (sbi->metapage_eio_cnt++ == MAX_RETRY_META_PAGE_EIO) - set_ckpt_flags(sbi, CP_ERROR_FLAG); - } else { - sbi->metapage_eio_ofs = page->index; - sbi->metapage_eio_cnt = 0; - } + f2fs_handle_page_eio(sbi, page->index, META); f2fs_put_page(page, 1); return ERR_PTR(-EIO); } @@ -158,7 +152,7 @@ static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr, f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d", blkaddr, exist); set_sbi_flag(sbi, SBI_NEED_FSCK); - WARN_ON(1); + dump_stack(); } return exist; } @@ -196,7 +190,7 @@ bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, f2fs_warn(sbi, "access invalid blkaddr:%u", blkaddr); set_sbi_flag(sbi, SBI_NEED_FSCK); - WARN_ON(1); + dump_stack(); return false; } else { return __is_bitmap_valid(sbi, blkaddr, type); @@ -1010,9 +1004,7 @@ static void __add_dirty_inode(struct inode *inode, enum inode_type type) return; set_inode_flag(inode, flag); - if (!f2fs_is_volatile_file(inode)) - list_add_tail(&F2FS_I(inode)->dirty_list, - &sbi->inode_list[type]); + list_add_tail(&F2FS_I(inode)->dirty_list, &sbi->inode_list[type]); stat_inc_dirty_inode(sbi, type); } diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 8f38c26bb16c..7fcbcf979737 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -69,8 +69,7 @@ static bool __is_cp_guaranteed(struct page *page) if (f2fs_is_compressed_page(page)) return false; - if ((S_ISREG(inode->i_mode) && - (f2fs_is_atomic_file(inode) || IS_NOQUOTA(inode))) || + if ((S_ISREG(inode->i_mode) && IS_NOQUOTA(inode)) || page_private_gcing(page)) return true; return false; @@ -585,6 +584,34 @@ static bool __has_merged_page(struct bio *bio, struct inode *inode, return false; } +int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi) +{ + int i; + + for (i = 0; i < NR_PAGE_TYPE; i++) { + int n = (i == META) ? 1 : NR_TEMP_TYPE; + int j; + + sbi->write_io[i] = f2fs_kmalloc(sbi, + array_size(n, sizeof(struct f2fs_bio_info)), + GFP_KERNEL); + if (!sbi->write_io[i]) + return -ENOMEM; + + for (j = HOT; j < n; j++) { + init_f2fs_rwsem(&sbi->write_io[i][j].io_rwsem); + sbi->write_io[i][j].sbi = sbi; + sbi->write_io[i][j].bio = NULL; + spin_lock_init(&sbi->write_io[i][j].io_lock); + INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); + INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list); + init_f2fs_rwsem(&sbi->write_io[i][j].bio_list_lock); + } + } + + return 0; +} + static void __f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type, enum temp_type temp) { @@ -2564,7 +2591,12 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio) bool ipu_force = false; int err = 0; - set_new_dnode(&dn, inode, NULL, NULL, 0); + /* Use COW inode to make dnode_of_data for atomic write */ + if (f2fs_is_atomic_file(inode)) + set_new_dnode(&dn, F2FS_I(inode)->cow_inode, NULL, NULL, 0); + else + set_new_dnode(&dn, inode, NULL, NULL, 0); + if (need_inplace_update(fio) && f2fs_lookup_extent_cache(inode, page->index, &ei)) { fio->old_blkaddr = ei.blk + page->index - ei.fofs; @@ -2601,6 +2633,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio) err = -EFSCORRUPTED; goto out_writepage; } + /* * If current allocation needs SSR, * it had better in-place writes for updated data. @@ -2737,11 +2770,6 @@ int f2fs_write_single_data_page(struct page *page, int *submitted, write: if (f2fs_is_drop_cache(inode)) goto out; - /* we should not write 0'th page having journal header */ - if (f2fs_is_volatile_file(inode) && (!page->index || - (!wbc->for_reclaim && - f2fs_available_free_memory(sbi, BASE_CHECK)))) - goto redirty_out; /* Dentry/quota blocks are controlled by checkpoint */ if (S_ISDIR(inode->i_mode) || IS_NOQUOTA(inode)) { @@ -3314,6 +3342,100 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi, return err; } +static int __find_data_block(struct inode *inode, pgoff_t index, + block_t *blk_addr) +{ + struct dnode_of_data dn; + struct page *ipage; + struct extent_info ei = {0, }; + int err = 0; + + ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); + + set_new_dnode(&dn, inode, ipage, ipage, 0); + + if (f2fs_lookup_extent_cache(inode, index, &ei)) { + dn.data_blkaddr = ei.blk + index - ei.fofs; + } else { + /* hole case */ + err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE); + if (err) { + dn.data_blkaddr = NULL_ADDR; + err = 0; + } + } + *blk_addr = dn.data_blkaddr; + f2fs_put_dnode(&dn); + return err; +} + +static int __reserve_data_block(struct inode *inode, pgoff_t index, + block_t *blk_addr, bool *node_changed) +{ + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + struct dnode_of_data dn; + struct page *ipage; + int err = 0; + + f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true); + + ipage = f2fs_get_node_page(sbi, inode->i_ino); + if (IS_ERR(ipage)) { + err = PTR_ERR(ipage); + goto unlock_out; + } + set_new_dnode(&dn, inode, ipage, ipage, 0); + + err = f2fs_get_block(&dn, index); + + *blk_addr = dn.data_blkaddr; + *node_changed = dn.node_changed; + f2fs_put_dnode(&dn); + +unlock_out: + f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false); + return err; +} + +static int prepare_atomic_write_begin(struct f2fs_sb_info *sbi, + struct page *page, loff_t pos, unsigned int len, + block_t *blk_addr, bool *node_changed) +{ + struct inode *inode = page->mapping->host; + struct inode *cow_inode = F2FS_I(inode)->cow_inode; + pgoff_t index = page->index; + int err = 0; + block_t ori_blk_addr; + + /* If pos is beyond the end of file, reserve a new block in COW inode */ + if ((pos & PAGE_MASK) >= i_size_read(inode)) + return __reserve_data_block(cow_inode, index, blk_addr, + node_changed); + + /* Look for the block in COW inode first */ + err = __find_data_block(cow_inode, index, blk_addr); + if (err) + return err; + else if (*blk_addr != NULL_ADDR) + return 0; + + /* Look for the block in the original inode */ + err = __find_data_block(inode, index, &ori_blk_addr); + if (err) + return err; + + /* Finally, we should reserve a new block in COW inode for the update */ + err = __reserve_data_block(cow_inode, index, blk_addr, node_changed); + if (err) + return err; + + if (ori_blk_addr != NULL_ADDR) + *blk_addr = ori_blk_addr; + return 0; +} + static int f2fs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, struct page **pagep, void **fsdata) { @@ -3321,7 +3443,7 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct page *page = NULL; pgoff_t index = ((unsigned long long) pos) >> PAGE_SHIFT; - bool need_balance = false, drop_atomic = false; + bool need_balance = false; block_t blkaddr = NULL_ADDR; int err = 0; @@ -3332,14 +3454,6 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, goto fail; } - if ((f2fs_is_atomic_file(inode) && - !f2fs_available_free_memory(sbi, INMEM_PAGES)) || - is_inode_flag_set(inode, FI_ATOMIC_REVOKE_REQUEST)) { - err = -ENOMEM; - drop_atomic = true; - goto fail; - } - /* * We should check this at this moment to avoid deadlock on inode page * and #0 page. The locking rule for inline_data conversion should be: @@ -3387,7 +3501,11 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, *pagep = page; - err = prepare_write_begin(sbi, page, pos, len, + if (f2fs_is_atomic_file(inode)) + err = prepare_atomic_write_begin(sbi, page, pos, len, + &blkaddr, &need_balance); + else + err = prepare_write_begin(sbi, page, pos, len, &blkaddr, &need_balance); if (err) goto fail; @@ -3443,8 +3561,6 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, fail: f2fs_put_page(page, 1); f2fs_write_failed(inode, pos + len); - if (drop_atomic) - f2fs_drop_inmem_pages_all(sbi, false); return err; } @@ -3488,8 +3604,12 @@ static int f2fs_write_end(struct file *file, set_page_dirty(page); if (pos + copied > i_size_read(inode) && - !f2fs_verity_in_progress(inode)) + !f2fs_verity_in_progress(inode)) { f2fs_i_size_write(inode, pos + copied); + if (f2fs_is_atomic_file(inode)) + f2fs_i_size_write(F2FS_I(inode)->cow_inode, + pos + copied); + } unlock_out: f2fs_put_page(page, 1); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); @@ -3522,9 +3642,6 @@ void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length) inode->i_ino == F2FS_COMPRESS_INO(sbi)) clear_page_private_data(&folio->page); - if (page_private_atomic(&folio->page)) - return f2fs_drop_inmem_page(inode, &folio->page); - folio_detach_private(folio); } @@ -3536,10 +3653,6 @@ bool f2fs_release_folio(struct folio *folio, gfp_t wait) if (folio_test_dirty(folio)) return false; - /* This is atomic written page, keep Private */ - if (page_private_atomic(&folio->page)) - return false; - sbi = F2FS_M_SB(folio->mapping); if (test_opt(sbi, COMPRESS_CACHE)) { struct inode *inode = folio->mapping->host; @@ -3565,18 +3678,6 @@ static bool f2fs_dirty_data_folio(struct address_space *mapping, folio_mark_uptodate(folio); BUG_ON(folio_test_swapcache(folio)); - if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) { - if (!page_private_atomic(&folio->page)) { - f2fs_register_inmem_page(inode, &folio->page); - return true; - } - /* - * Previously, this page has been registered, we just - * return here. - */ - return false; - } - if (!folio_test_dirty(folio)) { filemap_dirty_folio(mapping, folio); f2fs_update_dirty_folio(inode, folio); @@ -3656,42 +3757,14 @@ static sector_t f2fs_bmap(struct address_space *mapping, sector_t block) int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, struct page *page, enum migrate_mode mode) { - int rc, extra_count; - struct f2fs_inode_info *fi = F2FS_I(mapping->host); - bool atomic_written = page_private_atomic(page); + int rc, extra_count = 0; BUG_ON(PageWriteback(page)); - /* migrating an atomic written page is safe with the inmem_lock hold */ - if (atomic_written) { - if (mode != MIGRATE_SYNC) - return -EBUSY; - if (!mutex_trylock(&fi->inmem_lock)) - return -EAGAIN; - } - - /* one extra reference was held for atomic_write page */ - extra_count = atomic_written ? 1 : 0; rc = migrate_page_move_mapping(mapping, newpage, page, extra_count); - if (rc != MIGRATEPAGE_SUCCESS) { - if (atomic_written) - mutex_unlock(&fi->inmem_lock); + if (rc != MIGRATEPAGE_SUCCESS) return rc; - } - - if (atomic_written) { - struct inmem_pages *cur; - - list_for_each_entry(cur, &fi->inmem_pages, list) - if (cur->page == page) { - cur->page = newpage; - break; - } - mutex_unlock(&fi->inmem_lock); - put_page(page); - get_page(newpage); - } /* guarantee to start from no stale private field */ set_page_private(newpage, 0); diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index fcdf253cd211..c92625ef16d0 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -91,11 +91,8 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->ndirty_files = sbi->ndirty_inode[FILE_INODE]; si->nquota_files = sbi->nquota_files; si->ndirty_all = sbi->ndirty_inode[DIRTY_META]; - si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES); si->aw_cnt = sbi->atomic_files; - si->vw_cnt = atomic_read(&sbi->vw_cnt); si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt); - si->max_vw_cnt = atomic_read(&sbi->max_vw_cnt); si->nr_dio_read = get_pages(sbi, F2FS_DIO_READ); si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE); si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA); @@ -167,8 +164,6 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID]; si->io_skip_bggc = sbi->io_skip_bggc; si->other_skip_bggc = sbi->other_skip_bggc; - si->skipped_atomic_files[BG_GC] = sbi->skipped_atomic_files[BG_GC]; - si->skipped_atomic_files[FG_GC] = sbi->skipped_atomic_files[FG_GC]; si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg) * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg) / 2; @@ -296,7 +291,6 @@ static void update_mem_info(struct f2fs_sb_info *sbi) sizeof(struct nat_entry); si->cache_mem += NM_I(sbi)->nat_cnt[DIRTY_NAT] * sizeof(struct nat_entry_set); - si->cache_mem += si->inmem_pages * sizeof(struct inmem_pages); for (i = 0; i < MAX_INO_ENTRY; i++) si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry); si->cache_mem += atomic_read(&sbi->total_ext_tree) * @@ -491,10 +485,6 @@ static int stat_show(struct seq_file *s, void *v) si->bg_data_blks); seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks, si->bg_node_blks); - seq_printf(s, "Skipped : atomic write %llu (%llu)\n", - si->skipped_atomic_files[BG_GC] + - si->skipped_atomic_files[FG_GC], - si->skipped_atomic_files[BG_GC]); seq_printf(s, "BG skip : IO: %u, Other: %u\n", si->io_skip_bggc, si->other_skip_bggc); seq_puts(s, "\nExtent Cache:\n"); @@ -519,10 +509,8 @@ static int stat_show(struct seq_file *s, void *v) si->flush_list_empty, si->nr_discarding, si->nr_discarded, si->nr_discard_cmd, si->undiscard_blks); - seq_printf(s, " - inmem: %4d, atomic IO: %4d (Max. %4d), " - "volatile IO: %4d (Max. %4d)\n", - si->inmem_pages, si->aw_cnt, si->max_aw_cnt, - si->vw_cnt, si->max_vw_cnt); + seq_printf(s, " - atomic IO: %4d (Max. %4d)\n", + si->aw_cnt, si->max_aw_cnt); seq_printf(s, " - compress: %4d, hit:%8d\n", si->compress_pages, si->compress_page_hit); seq_printf(s, " - nodes: %4d in %4d\n", si->ndirty_node, si->node_pages); @@ -623,9 +611,7 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi) for (i = META_CP; i < META_MAX; i++) atomic_set(&sbi->meta_count[i], 0); - atomic_set(&sbi->vw_cnt, 0); atomic_set(&sbi->max_aw_cnt, 0); - atomic_set(&sbi->max_vw_cnt, 0); raw_spin_lock_irqsave(&f2fs_stat_lock, flags); list_add_tail(&si->stat_list, &f2fs_stat_list); diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index a0e51937d92e..d5bd7932fb64 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -82,7 +82,8 @@ int f2fs_init_casefolded_name(const struct inode *dir, #if IS_ENABLED(CONFIG_UNICODE) struct super_block *sb = dir->i_sb; - if (IS_CASEFOLDED(dir)) { + if (IS_CASEFOLDED(dir) && + !is_dot_dotdot(fname->usr_fname->name, fname->usr_fname->len)) { fname->cf_name.name = f2fs_kmem_cache_alloc(f2fs_cf_name_slab, GFP_NOFS, false, F2FS_SB(sb)); if (!fname->cf_name.name) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 10d1f138d14f..d9bbecd008d2 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -509,11 +509,11 @@ struct f2fs_filename { #if IS_ENABLED(CONFIG_UNICODE) /* * For casefolded directories: the casefolded name, but it's left NULL - * if the original name is not valid Unicode, if the directory is both - * casefolded and encrypted and its encryption key is unavailable, or if - * the filesystem is doing an internal operation where usr_fname is also - * NULL. In all these cases we fall back to treating the name as an - * opaque byte sequence. + * if the original name is not valid Unicode, if the original name is + * "." or "..", if the directory is both casefolded and encrypted and + * its encryption key is unavailable, or if the filesystem is doing an + * internal operation where usr_fname is also NULL. In all these cases + * we fall back to treating the name as an opaque byte sequence. */ struct fscrypt_str cf_name; #endif @@ -579,8 +579,8 @@ enum { /* maximum retry quota flush count */ #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 -/* maximum retry of EIO'ed meta page */ -#define MAX_RETRY_META_PAGE_EIO 100 +/* maximum retry of EIO'ed page */ +#define MAX_RETRY_PAGE_EIO 100 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ @@ -717,7 +717,6 @@ enum { enum { GC_FAILURE_PIN, - GC_FAILURE_ATOMIC, MAX_GC_FAILURE }; @@ -739,8 +738,6 @@ enum { FI_UPDATE_WRITE, /* inode has in-place-update data */ FI_NEED_IPU, /* used for ipu per file */ FI_ATOMIC_FILE, /* indicate atomic file */ - FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ - FI_VOLATILE_FILE, /* indicate volatile file */ FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ FI_DROP_CACHE, /* drop dirty page cache */ FI_DATA_EXIST, /* indicate data exists */ @@ -753,7 +750,6 @@ enum { FI_EXTRA_ATTR, /* indicate file has extra attribute */ FI_PROJ_INHERIT, /* indicate file inherits projectid */ FI_PIN_FILE, /* indicate file should not be gced */ - FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */ FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */ @@ -795,11 +791,9 @@ struct f2fs_inode_info { #endif struct list_head dirty_list; /* dirty list for dirs and files */ struct list_head gdirty_list; /* linked in global dirty list */ - struct list_head inmem_ilist; /* list for inmem inodes */ - struct list_head inmem_pages; /* inmemory pages managed by f2fs */ - struct task_struct *inmem_task; /* store inmemory task */ - struct mutex inmem_lock; /* lock for inmemory pages */ + struct task_struct *atomic_write_task; /* store atomic write task */ struct extent_tree *extent_tree; /* cached extent_tree entry */ + struct inode *cow_inode; /* copy-on-write inode for atomic write */ /* avoid racing between foreground op and gc */ struct f2fs_rwsem i_gc_rwsem[2]; @@ -1093,7 +1087,6 @@ enum count_type { F2FS_DIRTY_QDATA, F2FS_DIRTY_NODES, F2FS_DIRTY_META, - F2FS_INMEM_PAGES, F2FS_DIRTY_IMETA, F2FS_WB_CP_DATA, F2FS_WB_DATA, @@ -1118,16 +1111,12 @@ enum count_type { */ #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) enum page_type { - DATA, - NODE, + DATA = 0, + NODE = 1, /* should not change this */ META, NR_PAGE_TYPE, META_FLUSH, - INMEM, /* the below types are used by tracepoints only. */ - INMEM_DROP, - INMEM_INVALIDATE, - INMEM_REVOKE, - IPU, + IPU, /* the below types are used by tracepoints only. */ OPU, }; @@ -1277,6 +1266,15 @@ struct atgc_management { unsigned long long age_threshold; /* age threshold */ }; +struct f2fs_gc_control { + unsigned int victim_segno; /* target victim segment number */ + int init_gc_type; /* FG_GC or BG_GC */ + bool no_bg_gc; /* check the space and stop bg_gc */ + bool should_migrate_blocks; /* should migrate blocks */ + bool err_gc_skipped; /* return EAGAIN if GC skipped */ + unsigned int nr_free_secs; /* # of free sections to do GC */ +}; + /* For s_flag in struct f2fs_sb_info */ enum { SBI_IS_DIRTY, /* dirty flag for checkpoint */ @@ -1615,8 +1613,8 @@ struct f2fs_sb_info { /* keep migration IO order for LFS mode */ struct f2fs_rwsem io_order_lock; mempool_t *write_io_dummy; /* Dummy pages */ - pgoff_t metapage_eio_ofs; /* EIO page offset */ - int metapage_eio_cnt; /* EIO count */ + pgoff_t page_eio_ofs[NR_PAGE_TYPE]; /* EIO page offset */ + int page_eio_cnt[NR_PAGE_TYPE]; /* EIO count */ /* for checkpoint */ struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ @@ -1719,7 +1717,6 @@ struct f2fs_sb_info { /* for skip statistic */ unsigned int atomic_files; /* # of opened atomic file */ - unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */ unsigned long long skipped_gc_rwsem; /* FG_GC only */ /* threshold for gc trials on pinned files */ @@ -1750,9 +1747,7 @@ struct f2fs_sb_info { atomic_t inline_dir; /* # of inline_dentry inodes */ atomic_t compr_inode; /* # of compressed inodes */ atomic64_t compr_blocks; /* # of compressed blocks */ - atomic_t vw_cnt; /* # of volatile writes */ atomic_t max_aw_cnt; /* max # of atomic writes */ - atomic_t max_vw_cnt; /* max # of volatile writes */ unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ unsigned int other_skip_bggc; /* skip background gc for other reasons */ unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ @@ -1763,7 +1758,7 @@ struct f2fs_sb_info { unsigned int data_io_flag; unsigned int node_io_flag; - /* For sysfs suppport */ + /* For sysfs support */ struct kobject s_kobj; /* /sys/fs/f2fs/ */ struct completion s_kobj_unregister; @@ -2606,11 +2601,17 @@ static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, { spin_lock(&sbi->stat_lock); - f2fs_bug_on(sbi, !sbi->total_valid_block_count); - f2fs_bug_on(sbi, !sbi->total_valid_node_count); + if (unlikely(!sbi->total_valid_block_count || + !sbi->total_valid_node_count)) { + f2fs_warn(sbi, "dec_valid_node_count: inconsistent block counts, total_valid_block:%u, total_valid_node:%u", + sbi->total_valid_block_count, + sbi->total_valid_node_count); + set_sbi_flag(sbi, SBI_NEED_FSCK); + } else { + sbi->total_valid_block_count--; + sbi->total_valid_node_count--; + } - sbi->total_valid_node_count--; - sbi->total_valid_block_count--; if (sbi->reserved_blocks && sbi->current_reserved_blocks < sbi->reserved_blocks) sbi->current_reserved_blocks++; @@ -3173,6 +3174,10 @@ static inline int inline_xattr_size(struct inode *inode) return 0; } +/* + * Notice: check inline_data flag without inode page lock is unsafe. + * It could change at any time by f2fs_convert_inline_page(). + */ static inline int f2fs_has_inline_data(struct inode *inode) { return is_inode_flag_set(inode, FI_INLINE_DATA); @@ -3203,16 +3208,6 @@ static inline bool f2fs_is_atomic_file(struct inode *inode) return is_inode_flag_set(inode, FI_ATOMIC_FILE); } -static inline bool f2fs_is_commit_atomic_write(struct inode *inode) -{ - return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); -} - -static inline bool f2fs_is_volatile_file(struct inode *inode) -{ - return is_inode_flag_set(inode, FI_VOLATILE_FILE); -} - static inline bool f2fs_is_first_block_written(struct inode *inode) { return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); @@ -3445,6 +3440,8 @@ void f2fs_handle_failed_inode(struct inode *inode); int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, bool hot, bool set); struct dentry *f2fs_get_parent(struct dentry *child); +int f2fs_get_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, + struct inode **new_inode); /* * dir.c @@ -3580,11 +3577,8 @@ void f2fs_destroy_node_manager_caches(void); * segment.c */ bool f2fs_need_SSR(struct f2fs_sb_info *sbi); -void f2fs_register_inmem_page(struct inode *inode, struct page *page); -void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure); -void f2fs_drop_inmem_pages(struct inode *inode); -void f2fs_drop_inmem_page(struct inode *inode, struct page *page); -int f2fs_commit_inmem_pages(struct inode *inode); +int f2fs_commit_atomic_write(struct inode *inode); +void f2fs_abort_atomic_write(struct inode *inode, bool clean); void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg); int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); @@ -3726,6 +3720,7 @@ int f2fs_init_bio_entry_cache(void); void f2fs_destroy_bio_entry_cache(void); void f2fs_submit_bio(struct f2fs_sb_info *sbi, struct bio *bio, enum page_type type); +int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi); void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, struct inode *inode, struct page *page, @@ -3787,8 +3782,7 @@ extern const struct iomap_ops f2fs_iomap_ops; int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); -int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, bool force, - unsigned int segno); +int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control); void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count); int __init f2fs_create_garbage_collection_cache(void); @@ -3816,7 +3810,6 @@ struct f2fs_stat_info { int ext_tree, zombie_tree, ext_node; int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; int ndirty_data, ndirty_qdata; - int inmem_pages; unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; int nats, dirty_nats, sits, dirty_sits; int free_nids, avail_nids, alloc_nids; @@ -3834,7 +3827,7 @@ struct f2fs_stat_info { int inline_xattr, inline_inode, inline_dir, append, update, orphans; int compr_inode; unsigned long long compr_blocks; - int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; + int aw_cnt, max_aw_cnt; unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; unsigned int bimodal, avg_vblocks; int util_free, util_valid, util_invalid; @@ -3846,7 +3839,6 @@ struct f2fs_stat_info { int bg_node_segs, bg_data_segs; int tot_blks, data_blks, node_blks; int bg_data_blks, bg_node_blks; - unsigned long long skipped_atomic_files[2]; int curseg[NR_CURSEG_TYPE]; int cursec[NR_CURSEG_TYPE]; int curzone[NR_CURSEG_TYPE]; @@ -3946,17 +3938,6 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) if (cur > max) \ atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ } while (0) -#define stat_inc_volatile_write(inode) \ - (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) -#define stat_dec_volatile_write(inode) \ - (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) -#define stat_update_max_volatile_write(inode) \ - do { \ - int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ - int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ - if (cur > max) \ - atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ - } while (0) #define stat_inc_seg_count(sbi, type, gc_type) \ do { \ struct f2fs_stat_info *si = F2FS_STAT(sbi); \ @@ -4018,9 +3999,6 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi); #define stat_add_compr_blocks(inode, blocks) do { } while (0) #define stat_sub_compr_blocks(inode, blocks) do { } while (0) #define stat_update_max_atomic_write(inode) do { } while (0) -#define stat_inc_volatile_write(inode) do { } while (0) -#define stat_dec_volatile_write(inode) do { } while (0) -#define stat_update_max_volatile_write(inode) do { } while (0) #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) #define stat_inc_seg_type(sbi, curseg) do { } while (0) #define stat_inc_block_count(sbi, curseg) do { } while (0) @@ -4053,6 +4031,7 @@ extern struct kmem_cache *f2fs_inode_entry_slab; * inline.c */ bool f2fs_may_inline_data(struct inode *inode); +bool f2fs_sanity_check_inline_data(struct inode *inode); bool f2fs_may_inline_dentry(struct inode *inode); void f2fs_do_read_inline_data(struct page *page, struct page *ipage); void f2fs_truncate_inline_inode(struct inode *inode, @@ -4422,8 +4401,7 @@ static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi) static inline bool f2fs_may_compress(struct inode *inode) { if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) || - f2fs_is_atomic_file(inode) || - f2fs_is_volatile_file(inode)) + f2fs_is_atomic_file(inode)) return false; return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode); } @@ -4431,8 +4409,8 @@ static inline bool f2fs_may_compress(struct inode *inode) static inline void f2fs_i_compr_blocks_update(struct inode *inode, u64 blocks, bool add) { - int diff = F2FS_I(inode)->i_cluster_size - blocks; struct f2fs_inode_info *fi = F2FS_I(inode); + int diff = fi->i_cluster_size - blocks; /* don't update i_compr_blocks if saved blocks were released */ if (!add && !atomic_read(&fi->i_compr_blocks)) @@ -4540,6 +4518,21 @@ static inline void f2fs_io_schedule_timeout(long timeout) io_schedule_timeout(timeout); } +static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, pgoff_t ofs, + enum page_type type) +{ + if (unlikely(f2fs_cp_error(sbi))) + return; + + if (ofs == sbi->page_eio_ofs[type]) { + if (sbi->page_eio_cnt[type]++ == MAX_RETRY_PAGE_EIO) + set_ckpt_flags(sbi, CP_ERROR_FLAG); + } else { + sbi->page_eio_ofs[type] = ofs; + sbi->page_eio_cnt[type] = 0; + } +} + #define EFSBADCRC EBADMSG /* Bad CRC detected */ #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 100637b1adb3..bd14cef1b08f 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -372,7 +372,8 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end, f2fs_remove_ino_entry(sbi, ino, APPEND_INO); clear_inode_flag(inode, FI_APPEND_WRITE); flush_out: - if (!atomic && F2FS_OPTION(sbi).fsync_mode != FSYNC_MODE_NOBARRIER) + if ((!atomic && F2FS_OPTION(sbi).fsync_mode != FSYNC_MODE_NOBARRIER) || + (atomic && !test_opt(sbi, NOBARRIER) && f2fs_sb_has_blkzoned(sbi))) ret = f2fs_issue_flush(sbi, inode->i_ino); if (!ret) { f2fs_remove_ino_entry(sbi, ino, UPDATE_INO); @@ -1437,11 +1438,19 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start, ret = -ENOSPC; break; } - if (dn->data_blkaddr != NEW_ADDR) { - f2fs_invalidate_blocks(sbi, dn->data_blkaddr); - dn->data_blkaddr = NEW_ADDR; - f2fs_set_data_blkaddr(dn); + + if (dn->data_blkaddr == NEW_ADDR) + continue; + + if (!f2fs_is_valid_blkaddr(sbi, dn->data_blkaddr, + DATA_GENERIC_ENHANCE)) { + ret = -EFSCORRUPTED; + break; } + + f2fs_invalidate_blocks(sbi, dn->data_blkaddr); + dn->data_blkaddr = NEW_ADDR; + f2fs_set_data_blkaddr(dn); } f2fs_update_extent_cache_range(dn, start, 0, index - start); @@ -1638,6 +1647,11 @@ static int expand_inode_data(struct inode *inode, loff_t offset, struct f2fs_map_blocks map = { .m_next_pgofs = NULL, .m_next_extent = NULL, .m_seg_type = NO_CHECK_TYPE, .m_may_create = true }; + struct f2fs_gc_control gc_control = { .victim_segno = NULL_SEGNO, + .init_gc_type = FG_GC, + .should_migrate_blocks = false, + .err_gc_skipped = true, + .nr_free_secs = 0 }; pgoff_t pg_start, pg_end; loff_t new_size = i_size_read(inode); loff_t off_end; @@ -1675,8 +1689,8 @@ static int expand_inode_data(struct inode *inode, loff_t offset, if (has_not_enough_free_secs(sbi, 0, GET_SEC_FROM_SEG(sbi, overprovision_segments(sbi)))) { f2fs_down_write(&sbi->gc_lock); - err = f2fs_gc(sbi, true, false, false, NULL_SEGNO); - if (err && err != -ENODATA && err != -EAGAIN) + err = f2fs_gc(sbi, &gc_control); + if (err && err != -ENODATA) goto out_err; } @@ -1766,6 +1780,10 @@ static long f2fs_fallocate(struct file *file, int mode, inode_lock(inode); + ret = file_modified(file); + if (ret) + goto out; + if (mode & FALLOC_FL_PUNCH_HOLE) { if (offset >= inode->i_size) goto out; @@ -1804,16 +1822,8 @@ static int f2fs_release_file(struct inode *inode, struct file *filp) atomic_read(&inode->i_writecount) != 1) return 0; - /* some remained atomic pages should discarded */ if (f2fs_is_atomic_file(inode)) - f2fs_drop_inmem_pages(inode); - if (f2fs_is_volatile_file(inode)) { - set_inode_flag(inode, FI_DROP_CACHE); - filemap_fdatawrite(inode->i_mapping); - clear_inode_flag(inode, FI_DROP_CACHE); - clear_inode_flag(inode, FI_VOLATILE_FILE); - stat_dec_volatile_write(inode); - } + f2fs_abort_atomic_write(inode, true); return 0; } @@ -1828,8 +1838,8 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id) * before dropping file lock, it needs to do in ->flush. */ if (f2fs_is_atomic_file(inode) && - F2FS_I(inode)->inmem_task == current) - f2fs_drop_inmem_pages(inode); + F2FS_I(inode)->atomic_write_task == current) + f2fs_abort_atomic_write(inode, true); return 0; } @@ -1992,6 +2002,7 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) struct user_namespace *mnt_userns = file_mnt_user_ns(filp); struct f2fs_inode_info *fi = F2FS_I(inode); struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + struct inode *pinode; int ret; if (!inode_owner_or_capable(mnt_userns, inode)) @@ -2014,44 +2025,55 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) goto out; } - if (f2fs_is_atomic_file(inode)) { - if (is_inode_flag_set(inode, FI_ATOMIC_REVOKE_REQUEST)) - ret = -EINVAL; + if (f2fs_is_atomic_file(inode)) goto out; - } ret = f2fs_convert_inline_inode(inode); if (ret) goto out; - f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); + f2fs_down_write(&fi->i_gc_rwsem[WRITE]); /* * Should wait end_io to count F2FS_WB_CP_DATA correctly by * f2fs_is_atomic_file. */ if (get_dirty_pages(inode)) - f2fs_warn(F2FS_I_SB(inode), "Unexpected flush for atomic writes: ino=%lu, npages=%u", + f2fs_warn(sbi, "Unexpected flush for atomic writes: ino=%lu, npages=%u", inode->i_ino, get_dirty_pages(inode)); ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX); if (ret) { - f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); + f2fs_up_write(&fi->i_gc_rwsem[WRITE]); goto out; } + /* Create a COW inode for atomic write */ + pinode = f2fs_iget(inode->i_sb, fi->i_pino); + if (IS_ERR(pinode)) { + f2fs_up_write(&fi->i_gc_rwsem[WRITE]); + ret = PTR_ERR(pinode); + goto out; + } + + ret = f2fs_get_tmpfile(mnt_userns, pinode, &fi->cow_inode); + iput(pinode); + if (ret) { + f2fs_up_write(&fi->i_gc_rwsem[WRITE]); + goto out; + } + f2fs_i_size_write(fi->cow_inode, i_size_read(inode)); + spin_lock(&sbi->inode_lock[ATOMIC_FILE]); - if (list_empty(&fi->inmem_ilist)) - list_add_tail(&fi->inmem_ilist, &sbi->inode_list[ATOMIC_FILE]); sbi->atomic_files++; spin_unlock(&sbi->inode_lock[ATOMIC_FILE]); - /* add inode in inmem_list first and set atomic_file */ set_inode_flag(inode, FI_ATOMIC_FILE); - clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST); - f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); + set_inode_flag(fi->cow_inode, FI_ATOMIC_FILE); + clear_inode_flag(fi->cow_inode, FI_INLINE_DATA); + f2fs_up_write(&fi->i_gc_rwsem[WRITE]); - f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); - F2FS_I(inode)->inmem_task = current; + f2fs_update_time(sbi, REQ_TIME); + fi->atomic_write_task = current; stat_update_max_atomic_write(inode); out: inode_unlock(inode); @@ -2076,130 +2098,23 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) inode_lock(inode); - if (f2fs_is_volatile_file(inode)) { - ret = -EINVAL; - goto err_out; - } - if (f2fs_is_atomic_file(inode)) { - ret = f2fs_commit_inmem_pages(inode); + ret = f2fs_commit_atomic_write(inode); if (ret) - goto err_out; + goto unlock_out; ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true); if (!ret) - f2fs_drop_inmem_pages(inode); + f2fs_abort_atomic_write(inode, false); } else { ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 1, false); } -err_out: - if (is_inode_flag_set(inode, FI_ATOMIC_REVOKE_REQUEST)) { - clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST); - ret = -EINVAL; - } +unlock_out: inode_unlock(inode); mnt_drop_write_file(filp); return ret; } -static int f2fs_ioc_start_volatile_write(struct file *filp) -{ - struct inode *inode = file_inode(filp); - struct user_namespace *mnt_userns = file_mnt_user_ns(filp); - int ret; - - if (!inode_owner_or_capable(mnt_userns, inode)) - return -EACCES; - - if (!S_ISREG(inode->i_mode)) - return -EINVAL; - - ret = mnt_want_write_file(filp); - if (ret) - return ret; - - inode_lock(inode); - - if (f2fs_is_volatile_file(inode)) - goto out; - - ret = f2fs_convert_inline_inode(inode); - if (ret) - goto out; - - stat_inc_volatile_write(inode); - stat_update_max_volatile_write(inode); - - set_inode_flag(inode, FI_VOLATILE_FILE); - f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); -out: - inode_unlock(inode); - mnt_drop_write_file(filp); - return ret; -} - -static int f2fs_ioc_release_volatile_write(struct file *filp) -{ - struct inode *inode = file_inode(filp); - struct user_namespace *mnt_userns = file_mnt_user_ns(filp); - int ret; - - if (!inode_owner_or_capable(mnt_userns, inode)) - return -EACCES; - - ret = mnt_want_write_file(filp); - if (ret) - return ret; - - inode_lock(inode); - - if (!f2fs_is_volatile_file(inode)) - goto out; - - if (!f2fs_is_first_block_written(inode)) { - ret = truncate_partial_data_page(inode, 0, true); - goto out; - } - - ret = punch_hole(inode, 0, F2FS_BLKSIZE); -out: - inode_unlock(inode); - mnt_drop_write_file(filp); - return ret; -} - -static int f2fs_ioc_abort_volatile_write(struct file *filp) -{ - struct inode *inode = file_inode(filp); - struct user_namespace *mnt_userns = file_mnt_user_ns(filp); - int ret; - - if (!inode_owner_or_capable(mnt_userns, inode)) - return -EACCES; - - ret = mnt_want_write_file(filp); - if (ret) - return ret; - - inode_lock(inode); - - if (f2fs_is_atomic_file(inode)) - f2fs_drop_inmem_pages(inode); - if (f2fs_is_volatile_file(inode)) { - clear_inode_flag(inode, FI_VOLATILE_FILE); - stat_dec_volatile_write(inode); - ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true); - } - - clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST); - - inode_unlock(inode); - - mnt_drop_write_file(filp); - f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); - return ret; -} - static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg) { struct inode *inode = file_inode(filp); @@ -2437,6 +2352,10 @@ static int f2fs_ioc_gc(struct file *filp, unsigned long arg) { struct inode *inode = file_inode(filp); struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + struct f2fs_gc_control gc_control = { .victim_segno = NULL_SEGNO, + .no_bg_gc = false, + .should_migrate_blocks = false, + .nr_free_secs = 0 }; __u32 sync; int ret; @@ -2462,7 +2381,9 @@ static int f2fs_ioc_gc(struct file *filp, unsigned long arg) f2fs_down_write(&sbi->gc_lock); } - ret = f2fs_gc(sbi, sync, true, false, NULL_SEGNO); + gc_control.init_gc_type = sync ? FG_GC : BG_GC; + gc_control.err_gc_skipped = sync; + ret = f2fs_gc(sbi, &gc_control); out: mnt_drop_write_file(filp); return ret; @@ -2471,6 +2392,12 @@ static int f2fs_ioc_gc(struct file *filp, unsigned long arg) static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range) { struct f2fs_sb_info *sbi = F2FS_I_SB(file_inode(filp)); + struct f2fs_gc_control gc_control = { + .init_gc_type = range->sync ? FG_GC : BG_GC, + .no_bg_gc = false, + .should_migrate_blocks = false, + .err_gc_skipped = range->sync, + .nr_free_secs = 0 }; u64 end; int ret; @@ -2498,8 +2425,8 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range) f2fs_down_write(&sbi->gc_lock); } - ret = f2fs_gc(sbi, range->sync, true, false, - GET_SEGNO(sbi, range->start)); + gc_control.victim_segno = GET_SEGNO(sbi, range->start); + ret = f2fs_gc(sbi, &gc_control); if (ret) { if (ret == -EBUSY) ret = -EAGAIN; @@ -2674,6 +2601,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, } set_page_dirty(page); + set_page_private_gcing(page); f2fs_put_page(page, 1); idx++; @@ -2913,6 +2841,11 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg) unsigned int start_segno = 0, end_segno = 0; unsigned int dev_start_segno = 0, dev_end_segno = 0; struct f2fs_flush_device range; + struct f2fs_gc_control gc_control = { + .init_gc_type = FG_GC, + .should_migrate_blocks = true, + .err_gc_skipped = true, + .nr_free_secs = 0 }; int ret; if (!capable(CAP_SYS_ADMIN)) @@ -2956,7 +2889,9 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg) sm->last_victim[GC_CB] = end_segno + 1; sm->last_victim[GC_GREEDY] = end_segno + 1; sm->last_victim[ALLOC_NEXT] = end_segno + 1; - ret = f2fs_gc(sbi, true, true, true, start_segno); + + gc_control.victim_segno = start_segno; + ret = f2fs_gc(sbi, &gc_control); if (ret == -EAGAIN) ret = 0; else if (ret < 0) @@ -3017,7 +2952,7 @@ static int f2fs_ioc_setproject(struct inode *inode, __u32 projid) kprojid = make_kprojid(&init_user_ns, (projid_t)projid); - if (projid_eq(kprojid, F2FS_I(inode)->i_projid)) + if (projid_eq(kprojid, fi->i_projid)) return 0; err = -EPERM; @@ -3037,7 +2972,7 @@ static int f2fs_ioc_setproject(struct inode *inode, __u32 projid) if (err) goto out_unlock; - F2FS_I(inode)->i_projid = kprojid; + fi->i_projid = kprojid; inode->i_ctime = current_time(inode); f2fs_mark_inode_dirty_sync(inode, true); out_unlock: @@ -3987,7 +3922,7 @@ static int f2fs_ioc_decompress_file(struct file *filp, unsigned long arg) struct f2fs_inode_info *fi = F2FS_I(inode); pgoff_t page_idx = 0, last_idx; unsigned int blk_per_seg = sbi->blocks_per_seg; - int cluster_size = F2FS_I(inode)->i_cluster_size; + int cluster_size = fi->i_cluster_size; int count, ret; if (!f2fs_sb_has_compression(sbi) || @@ -4010,11 +3945,6 @@ static int f2fs_ioc_decompress_file(struct file *filp, unsigned long arg) goto out; } - if (f2fs_is_mmap_file(inode)) { - ret = -EBUSY; - goto out; - } - ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX); if (ret) goto out; @@ -4082,11 +4012,6 @@ static int f2fs_ioc_compress_file(struct file *filp, unsigned long arg) goto out; } - if (f2fs_is_mmap_file(inode)) { - ret = -EBUSY; - goto out; - } - ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX); if (ret) goto out; @@ -4136,11 +4061,9 @@ static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) case F2FS_IOC_COMMIT_ATOMIC_WRITE: return f2fs_ioc_commit_atomic_write(filp); case F2FS_IOC_START_VOLATILE_WRITE: - return f2fs_ioc_start_volatile_write(filp); case F2FS_IOC_RELEASE_VOLATILE_WRITE: - return f2fs_ioc_release_volatile_write(filp); case F2FS_IOC_ABORT_VOLATILE_WRITE: - return f2fs_ioc_abort_volatile_write(filp); + return -EOPNOTSUPP; case F2FS_IOC_SHUTDOWN: return f2fs_ioc_shutdown(filp, arg); case FITRIM: @@ -4328,17 +4251,39 @@ static ssize_t f2fs_dio_read_iter(struct kiocb *iocb, struct iov_iter *to) static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) { struct inode *inode = file_inode(iocb->ki_filp); + const loff_t pos = iocb->ki_pos; ssize_t ret; if (!f2fs_is_compress_backend_ready(inode)) return -EOPNOTSUPP; - if (f2fs_should_use_dio(inode, iocb, to)) - return f2fs_dio_read_iter(iocb, to); + if (trace_f2fs_dataread_start_enabled()) { + char *p = f2fs_kmalloc(F2FS_I_SB(inode), PATH_MAX, GFP_KERNEL); + char *path; - ret = filemap_read(iocb, to, 0); - if (ret > 0) - f2fs_update_iostat(F2FS_I_SB(inode), APP_BUFFERED_READ_IO, ret); + if (!p) + goto skip_read_trace; + + path = dentry_path_raw(file_dentry(iocb->ki_filp), p, PATH_MAX); + if (IS_ERR(path)) { + kfree(p); + goto skip_read_trace; + } + + trace_f2fs_dataread_start(inode, pos, iov_iter_count(to), + current->pid, path, current->comm); + kfree(p); + } +skip_read_trace: + if (f2fs_should_use_dio(inode, iocb, to)) { + ret = f2fs_dio_read_iter(iocb, to); + } else { + ret = filemap_read(iocb, to, 0); + if (ret > 0) + f2fs_update_iostat(F2FS_I_SB(inode), APP_BUFFERED_READ_IO, ret); + } + if (trace_f2fs_dataread_end_enabled()) + trace_f2fs_dataread_end(inode, pos, ret); return ret; } @@ -4630,14 +4575,36 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) /* Possibly preallocate the blocks for the write. */ target_size = iocb->ki_pos + iov_iter_count(from); preallocated = f2fs_preallocate_blocks(iocb, from, dio); - if (preallocated < 0) + if (preallocated < 0) { ret = preallocated; - else + } else { + if (trace_f2fs_datawrite_start_enabled()) { + char *p = f2fs_kmalloc(F2FS_I_SB(inode), + PATH_MAX, GFP_KERNEL); + char *path; + + if (!p) + goto skip_write_trace; + path = dentry_path_raw(file_dentry(iocb->ki_filp), + p, PATH_MAX); + if (IS_ERR(path)) { + kfree(p); + goto skip_write_trace; + } + trace_f2fs_datawrite_start(inode, orig_pos, orig_count, + current->pid, path, current->comm); + kfree(p); + } +skip_write_trace: /* Do the actual write. */ ret = dio ? f2fs_dio_write_iter(iocb, from, &may_need_sync): f2fs_buffered_write_iter(iocb, from); + if (trace_f2fs_datawrite_end_enabled()) + trace_f2fs_datawrite_end(inode, orig_pos, ret); + } + /* Don't leave any preallocated blocks around past i_size. */ if (preallocated && i_size_read(inode) < target_size) { f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index ea5b93b689cd..d5fb426e0747 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -35,6 +35,10 @@ static int gc_thread_func(void *data) wait_queue_head_t *wq = &sbi->gc_thread->gc_wait_queue_head; wait_queue_head_t *fggc_wq = &sbi->gc_thread->fggc_wq; unsigned int wait_ms; + struct f2fs_gc_control gc_control = { + .victim_segno = NULL_SEGNO, + .should_migrate_blocks = false, + .err_gc_skipped = false }; wait_ms = gc_th->min_sleep_time; @@ -141,8 +145,12 @@ static int gc_thread_func(void *data) if (foreground) sync_mode = false; + gc_control.init_gc_type = sync_mode ? FG_GC : BG_GC; + gc_control.no_bg_gc = foreground; + gc_control.nr_free_secs = foreground ? 1 : 0; + /* if return value is not zero, no victim was selected */ - if (f2fs_gc(sbi, sync_mode, !foreground, false, NULL_SEGNO)) + if (f2fs_gc(sbi, &gc_control)) wait_ms = gc_th->no_gc_sleep_time; if (foreground) @@ -646,6 +654,54 @@ static void release_victim_entry(struct f2fs_sb_info *sbi) f2fs_bug_on(sbi, !list_empty(&am->victim_list)); } +static bool f2fs_pin_section(struct f2fs_sb_info *sbi, unsigned int segno) +{ + struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); + unsigned int secno = GET_SEC_FROM_SEG(sbi, segno); + + if (!dirty_i->enable_pin_section) + return false; + if (!test_and_set_bit(secno, dirty_i->pinned_secmap)) + dirty_i->pinned_secmap_cnt++; + return true; +} + +static bool f2fs_pinned_section_exists(struct dirty_seglist_info *dirty_i) +{ + return dirty_i->pinned_secmap_cnt; +} + +static bool f2fs_section_is_pinned(struct dirty_seglist_info *dirty_i, + unsigned int secno) +{ + return dirty_i->enable_pin_section && + f2fs_pinned_section_exists(dirty_i) && + test_bit(secno, dirty_i->pinned_secmap); +} + +static void f2fs_unpin_all_sections(struct f2fs_sb_info *sbi, bool enable) +{ + unsigned int bitmap_size = f2fs_bitmap_size(MAIN_SECS(sbi)); + + if (f2fs_pinned_section_exists(DIRTY_I(sbi))) { + memset(DIRTY_I(sbi)->pinned_secmap, 0, bitmap_size); + DIRTY_I(sbi)->pinned_secmap_cnt = 0; + } + DIRTY_I(sbi)->enable_pin_section = enable; +} + +static int f2fs_gc_pinned_control(struct inode *inode, int gc_type, + unsigned int segno) +{ + if (!f2fs_is_pinned_file(inode)) + return 0; + if (gc_type != FG_GC) + return -EBUSY; + if (!f2fs_pin_section(F2FS_I_SB(inode), segno)) + f2fs_pin_file_control(inode, true); + return -EAGAIN; +} + /* * This function is called from two paths. * One is garbage collection and the other is SSR segment selection. @@ -787,6 +843,9 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi, if (gc_type == BG_GC && test_bit(secno, dirty_i->victim_secmap)) goto next; + if (gc_type == FG_GC && f2fs_section_is_pinned(dirty_i, secno)) + goto next; + if (is_atgc) { add_victim_entry(sbi, &p, segno); goto next; @@ -1194,18 +1253,9 @@ static int move_data_block(struct inode *inode, block_t bidx, goto out; } - if (f2fs_is_atomic_file(inode)) { - F2FS_I(inode)->i_gc_failures[GC_FAILURE_ATOMIC]++; - F2FS_I_SB(inode)->skipped_atomic_files[gc_type]++; - err = -EAGAIN; + err = f2fs_gc_pinned_control(inode, gc_type, segno); + if (err) goto out; - } - - if (f2fs_is_pinned_file(inode)) { - f2fs_pin_file_control(inode, true); - err = -EAGAIN; - goto out; - } set_new_dnode(&dn, inode, NULL, NULL, 0); err = f2fs_get_dnode_of_data(&dn, bidx, LOOKUP_NODE); @@ -1344,18 +1394,9 @@ static int move_data_page(struct inode *inode, block_t bidx, int gc_type, goto out; } - if (f2fs_is_atomic_file(inode)) { - F2FS_I(inode)->i_gc_failures[GC_FAILURE_ATOMIC]++; - F2FS_I_SB(inode)->skipped_atomic_files[gc_type]++; - err = -EAGAIN; + err = f2fs_gc_pinned_control(inode, gc_type, segno); + if (err) goto out; - } - if (f2fs_is_pinned_file(inode)) { - if (gc_type == FG_GC) - f2fs_pin_file_control(inode, true); - err = -EAGAIN; - goto out; - } if (gc_type == BG_GC) { if (PageWriteback(page)) { @@ -1475,11 +1516,19 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, ofs_in_node = le16_to_cpu(entry->ofs_in_node); if (phase == 3) { + int err; + inode = f2fs_iget(sb, dni.ino); if (IS_ERR(inode) || is_bad_inode(inode) || special_file(inode->i_mode)) continue; + err = f2fs_gc_pinned_control(inode, gc_type, segno); + if (err == -EAGAIN) { + iput(inode); + return submitted; + } + if (!f2fs_down_write_trylock( &F2FS_I(inode)->i_gc_rwsem[WRITE])) { iput(inode); @@ -1699,23 +1748,21 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, return seg_freed; } -int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, - bool background, bool force, unsigned int segno) +int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) { - int gc_type = sync ? FG_GC : BG_GC; + int gc_type = gc_control->init_gc_type; + unsigned int segno = gc_control->victim_segno; int sec_freed = 0, seg_freed = 0, total_freed = 0; int ret = 0; struct cp_control cpc; - unsigned int init_segno = segno; struct gc_inode_list gc_list = { .ilist = LIST_HEAD_INIT(gc_list.ilist), .iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS), }; - unsigned long long last_skipped = sbi->skipped_atomic_files[FG_GC]; - unsigned long long first_skipped; unsigned int skipped_round = 0, round = 0; - trace_f2fs_gc_begin(sbi->sb, sync, background, + trace_f2fs_gc_begin(sbi->sb, gc_type, gc_control->no_bg_gc, + gc_control->nr_free_secs, get_pages(sbi, F2FS_DIRTY_NODES), get_pages(sbi, F2FS_DIRTY_DENTS), get_pages(sbi, F2FS_DIRTY_IMETA), @@ -1726,7 +1773,6 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, cpc.reason = __get_cp_reason(sbi); sbi->skipped_gc_rwsem = 0; - first_skipped = last_skipped; gc_more: if (unlikely(!(sbi->sb->s_flags & SB_ACTIVE))) { ret = -EINVAL; @@ -1743,8 +1789,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, * threshold, we can make them free by checkpoint. Then, we * secure free segments which doesn't need fggc any more. */ - if (prefree_segments(sbi) && - !is_sbi_flag_set(sbi, SBI_CP_DISABLED)) { + if (prefree_segments(sbi)) { ret = f2fs_write_checkpoint(sbi, &cpc); if (ret) goto stop; @@ -1754,54 +1799,69 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, } /* f2fs_balance_fs doesn't need to do BG_GC in critical path. */ - if (gc_type == BG_GC && !background) { + if (gc_type == BG_GC && gc_control->no_bg_gc) { ret = -EINVAL; goto stop; } +retry: ret = __get_victim(sbi, &segno, gc_type); - if (ret) + if (ret) { + /* allow to search victim from sections has pinned data */ + if (ret == -ENODATA && gc_type == FG_GC && + f2fs_pinned_section_exists(DIRTY_I(sbi))) { + f2fs_unpin_all_sections(sbi, false); + goto retry; + } goto stop; + } - seg_freed = do_garbage_collect(sbi, segno, &gc_list, gc_type, force); - if (gc_type == FG_GC && - seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) - sec_freed++; + seg_freed = do_garbage_collect(sbi, segno, &gc_list, gc_type, + gc_control->should_migrate_blocks); total_freed += seg_freed; - if (gc_type == FG_GC) { - if (sbi->skipped_atomic_files[FG_GC] > last_skipped || - sbi->skipped_gc_rwsem) - skipped_round++; - last_skipped = sbi->skipped_atomic_files[FG_GC]; - round++; - } + if (seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) + sec_freed++; if (gc_type == FG_GC) sbi->cur_victim_sec = NULL_SEGNO; - if (sync) + if (gc_control->init_gc_type == FG_GC || + !has_not_enough_free_secs(sbi, + (gc_type == FG_GC) ? sec_freed : 0, 0)) { + if (gc_type == FG_GC && sec_freed < gc_control->nr_free_secs) + goto go_gc_more; goto stop; - - if (has_not_enough_free_secs(sbi, sec_freed, 0)) { - if (skipped_round <= MAX_SKIP_GC_COUNT || - skipped_round * 2 < round) { - segno = NULL_SEGNO; - goto gc_more; - } - - if (first_skipped < last_skipped && - (last_skipped - first_skipped) > - sbi->skipped_gc_rwsem) { - f2fs_drop_inmem_pages_all(sbi, true); - segno = NULL_SEGNO; - goto gc_more; - } - if (gc_type == FG_GC && !is_sbi_flag_set(sbi, SBI_CP_DISABLED)) - ret = f2fs_write_checkpoint(sbi, &cpc); } + + /* FG_GC stops GC by skip_count */ + if (gc_type == FG_GC) { + if (sbi->skipped_gc_rwsem) + skipped_round++; + round++; + if (skipped_round > MAX_SKIP_GC_COUNT && + skipped_round * 2 >= round) { + ret = f2fs_write_checkpoint(sbi, &cpc); + goto stop; + } + } + + /* Write checkpoint to reclaim prefree segments */ + if (free_sections(sbi) < NR_CURSEG_PERSIST_TYPE && + prefree_segments(sbi)) { + ret = f2fs_write_checkpoint(sbi, &cpc); + if (ret) + goto stop; + } +go_gc_more: + segno = NULL_SEGNO; + goto gc_more; + stop: SIT_I(sbi)->last_victim[ALLOC_NEXT] = 0; - SIT_I(sbi)->last_victim[FLUSH_DEVICE] = init_segno; + SIT_I(sbi)->last_victim[FLUSH_DEVICE] = gc_control->victim_segno; + + if (gc_type == FG_GC) + f2fs_unpin_all_sections(sbi, true); trace_f2fs_gc_end(sbi->sb, ret, total_freed, sec_freed, get_pages(sbi, F2FS_DIRTY_NODES), @@ -1816,7 +1876,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, put_gc_inode(&gc_list); - if (sync && !ret) + if (gc_control->err_gc_skipped && !ret) ret = sec_freed ? 0 : -EAGAIN; return ret; } diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c index 3cb1e7a24740..049ce50cec9b 100644 --- a/fs/f2fs/hash.c +++ b/fs/f2fs/hash.c @@ -91,7 +91,7 @@ static u32 TEA_hash_name(const u8 *p, size_t len) /* * Compute @fname->hash. For all directories, @fname->disk_name must be set. * For casefolded directories, @fname->usr_fname must be set, and also - * @fname->cf_name if the filename is valid Unicode. + * @fname->cf_name if the filename is valid Unicode and is not "." or "..". */ void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname) { @@ -110,10 +110,11 @@ void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname) /* * If the casefolded name is provided, hash it instead of the * on-disk name. If the casefolded name is *not* provided, that - * should only be because the name wasn't valid Unicode, so fall - * back to treating the name as an opaque byte sequence. Note - * that to handle encrypted directories, the fallback must use - * usr_fname (plaintext) rather than disk_name (ciphertext). + * should only be because the name wasn't valid Unicode or was + * "." or "..", so fall back to treating the name as an opaque + * byte sequence. Note that to handle encrypted directories, + * the fallback must use usr_fname (plaintext) rather than + * disk_name (ciphertext). */ WARN_ON_ONCE(!fname->usr_fname->name); if (fname->cf_name.name) { diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index a578bf83b803..bf46a7dfbea2 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -14,21 +14,40 @@ #include "node.h" #include -bool f2fs_may_inline_data(struct inode *inode) +static bool support_inline_data(struct inode *inode) { if (f2fs_is_atomic_file(inode)) return false; - if (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode)) return false; - if (i_size_read(inode) > MAX_INLINE_DATA(inode)) return false; + return true; +} - if (f2fs_post_read_required(inode)) +bool f2fs_may_inline_data(struct inode *inode) +{ + if (!support_inline_data(inode)) return false; - return true; + return !f2fs_post_read_required(inode); +} + +bool f2fs_sanity_check_inline_data(struct inode *inode) +{ + if (!f2fs_has_inline_data(inode)) + return false; + + if (!support_inline_data(inode)) + return true; + + /* + * used by sanity_check_inode(), when disk layout fields has not + * been synchronized to inmem fields. + */ + return (S_ISREG(inode->i_mode) && + (file_is_encrypt(inode) || file_is_verity(inode) || + (F2FS_I(inode)->i_flags & F2FS_COMPR_FL))); } bool f2fs_may_inline_dentry(struct inode *inode) diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 83639238a1fe..fc55f5bd1fcc 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -260,8 +260,8 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page) return false; } - if (F2FS_I(inode)->extent_tree) { - struct extent_info *ei = &F2FS_I(inode)->extent_tree->largest; + if (fi->extent_tree) { + struct extent_info *ei = &fi->extent_tree->largest; if (ei->len && (!f2fs_is_valid_blkaddr(sbi, ei->blk, @@ -276,8 +276,7 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page) } } - if (f2fs_has_inline_data(inode) && - (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))) { + if (f2fs_sanity_check_inline_data(inode)) { set_sbi_flag(sbi, SBI_NEED_FSCK); f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix", __func__, inode->i_ino, inode->i_mode); @@ -466,10 +465,10 @@ static int do_read_inode(struct inode *inode) } } - F2FS_I(inode)->i_disk_time[0] = inode->i_atime; - F2FS_I(inode)->i_disk_time[1] = inode->i_ctime; - F2FS_I(inode)->i_disk_time[2] = inode->i_mtime; - F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime; + fi->i_disk_time[0] = inode->i_atime; + fi->i_disk_time[1] = inode->i_ctime; + fi->i_disk_time[2] = inode->i_mtime; + fi->i_disk_time[3] = fi->i_crtime; f2fs_put_page(node_page, 1); stat_inc_inline_xattr(inode); @@ -745,9 +744,8 @@ void f2fs_evict_inode(struct inode *inode) nid_t xnid = F2FS_I(inode)->i_xattr_nid; int err = 0; - /* some remained atomic pages should discarded */ if (f2fs_is_atomic_file(inode)) - f2fs_drop_inmem_pages(inode); + f2fs_abort_atomic_write(inode, true); trace_f2fs_evict_inode(inode); truncate_inode_pages_final(&inode->i_data); @@ -796,8 +794,22 @@ void f2fs_evict_inode(struct inode *inode) f2fs_lock_op(sbi); err = f2fs_remove_inode_page(inode); f2fs_unlock_op(sbi); - if (err == -ENOENT) + if (err == -ENOENT) { err = 0; + + /* + * in fuzzed image, another node may has the same + * block address as inode's, if it was truncated + * previously, truncation of inode node will fail. + */ + if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { + f2fs_warn(F2FS_I_SB(inode), + "f2fs_evict_inode: inconsistent node id, ino:%lu", + inode->i_ino); + f2fs_inode_synced(inode); + set_sbi_flag(sbi, SBI_NEED_FSCK); + } + } } /* give more chances, if ENOMEM case */ diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 5ed79b29999f..c549acb52ac4 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -37,13 +37,10 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns, if (!inode) return ERR_PTR(-ENOMEM); - f2fs_lock_op(sbi); if (!f2fs_alloc_nid(sbi, &ino)) { - f2fs_unlock_op(sbi); err = -ENOSPC; goto fail; } - f2fs_unlock_op(sbi); nid_free = true; @@ -461,6 +458,13 @@ static int __recover_dot_dentries(struct inode *dir, nid_t pino) return 0; } + if (!S_ISDIR(dir->i_mode)) { + f2fs_err(sbi, "inconsistent inode status, skip recovering inline_dots inode (ino:%lu, i_mode:%u, pino:%u)", + dir->i_ino, dir->i_mode, pino); + set_sbi_flag(sbi, SBI_NEED_FSCK); + return -ENOTDIR; + } + err = f2fs_dquot_initialize(dir); if (err) return err; @@ -836,8 +840,8 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir, } static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, - struct dentry *dentry, umode_t mode, - struct inode **whiteout) + struct dentry *dentry, umode_t mode, bool is_whiteout, + struct inode **new_inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(dir); struct inode *inode; @@ -851,7 +855,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, if (IS_ERR(inode)) return PTR_ERR(inode); - if (whiteout) { + if (is_whiteout) { init_special_inode(inode, inode->i_mode, WHITEOUT_DEV); inode->i_op = &f2fs_special_inode_operations; } else { @@ -876,21 +880,25 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, f2fs_add_orphan_inode(inode); f2fs_alloc_nid_done(sbi, inode->i_ino); - if (whiteout) { + if (is_whiteout) { f2fs_i_links_write(inode, false); spin_lock(&inode->i_lock); inode->i_state |= I_LINKABLE; spin_unlock(&inode->i_lock); - - *whiteout = inode; } else { - d_tmpfile(dentry, inode); + if (dentry) + d_tmpfile(dentry, inode); + else + f2fs_i_links_write(inode, false); } /* link_count was changed by d_tmpfile as well. */ f2fs_unlock_op(sbi); unlock_new_inode(inode); + if (new_inode) + *new_inode = inode; + f2fs_balance_fs(sbi, true); return 0; @@ -911,7 +919,7 @@ static int f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, if (!f2fs_is_checkpoint_ready(sbi)) return -ENOSPC; - return __f2fs_tmpfile(mnt_userns, dir, dentry, mode, NULL); + return __f2fs_tmpfile(mnt_userns, dir, dentry, mode, false, NULL); } static int f2fs_create_whiteout(struct user_namespace *mnt_userns, @@ -921,7 +929,13 @@ static int f2fs_create_whiteout(struct user_namespace *mnt_userns, return -EIO; return __f2fs_tmpfile(mnt_userns, dir, NULL, - S_IFCHR | WHITEOUT_MODE, whiteout); + S_IFCHR | WHITEOUT_MODE, true, whiteout); +} + +int f2fs_get_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, + struct inode **new_inode) +{ + return __f2fs_tmpfile(mnt_userns, dir, NULL, S_IFREG, false, new_inode); } static int f2fs_rename(struct user_namespace *mnt_userns, struct inode *old_dir, diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 8ccff18560ff..836c79a20afc 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -90,10 +90,6 @@ bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type) atomic_read(&sbi->total_ext_node) * sizeof(struct extent_node)) >> PAGE_SHIFT; res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1); - } else if (type == INMEM_PAGES) { - /* it allows 20% / total_ram for inmemory pages */ - mem_size = get_pages(sbi, F2FS_INMEM_PAGES); - res = mem_size < (val.totalram / 5); } else if (type == DISCARD_CACHE) { mem_size = (atomic_read(&dcc->discard_cmd_cnt) * sizeof(struct discard_cmd)) >> PAGE_SHIFT; @@ -1416,8 +1412,7 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid, err = read_node_page(page, 0); if (err < 0) { - f2fs_put_page(page, 1); - return ERR_PTR(err); + goto out_put_err; } else if (err == LOCKED_PAGE) { err = 0; goto page_hit; @@ -1443,19 +1438,21 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid, goto out_err; } page_hit: - if (unlikely(nid != nid_of_node(page))) { - f2fs_warn(sbi, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]", + if (likely(nid == nid_of_node(page))) + return page; + + f2fs_warn(sbi, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]", nid, nid_of_node(page), ino_of_node(page), ofs_of_node(page), cpver_of_node(page), next_blkaddr_of_node(page)); - set_sbi_flag(sbi, SBI_NEED_FSCK); - err = -EINVAL; + set_sbi_flag(sbi, SBI_NEED_FSCK); + err = -EINVAL; out_err: - ClearPageUptodate(page); - f2fs_put_page(page, 1); - return ERR_PTR(err); - } - return page; + ClearPageUptodate(page); +out_put_err: + f2fs_handle_page_eio(sbi, page->index, NODE); + f2fs_put_page(page, 1); + return ERR_PTR(err); } struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid) @@ -1631,7 +1628,7 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, goto redirty_out; } - if (atomic && !test_opt(sbi, NOBARRIER)) + if (atomic && !test_opt(sbi, NOBARRIER) && !f2fs_sb_has_blkzoned(sbi)) fio.op_flags |= REQ_PREFLUSH | REQ_FUA; /* should add to global list before clearing PAGECACHE status */ diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index 4c1d34bfea78..3c09cae058b0 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -147,7 +147,6 @@ enum mem_type { DIRTY_DENTS, /* indicates dirty dentry pages */ INO_ENTRIES, /* indicates inode entries */ EXTENT_CACHE, /* indicates extent cache */ - INMEM_PAGES, /* indicates inmemory pages */ DISCARD_CACHE, /* indicates memory of cached discard cmds */ COMPRESS_PAGE, /* indicates memory of cached compressed pages */ BASE_CHECK, /* check kernel status */ diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 7225ce09f3ab..874c1b9c41a2 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -30,7 +30,7 @@ static struct kmem_cache *discard_entry_slab; static struct kmem_cache *discard_cmd_slab; static struct kmem_cache *sit_entry_set_slab; -static struct kmem_cache *inmem_entry_slab; +static struct kmem_cache *revoke_entry_slab; static unsigned long __reverse_ulong(unsigned char *str) { @@ -185,301 +185,175 @@ bool f2fs_need_SSR(struct f2fs_sb_info *sbi) SM_I(sbi)->min_ssr_sections + reserved_sections(sbi)); } -void f2fs_register_inmem_page(struct inode *inode, struct page *page) -{ - struct inmem_pages *new; - - set_page_private_atomic(page); - - new = f2fs_kmem_cache_alloc(inmem_entry_slab, - GFP_NOFS, true, NULL); - - /* add atomic page indices to the list */ - new->page = page; - INIT_LIST_HEAD(&new->list); - - /* increase reference count with clean state */ - get_page(page); - mutex_lock(&F2FS_I(inode)->inmem_lock); - list_add_tail(&new->list, &F2FS_I(inode)->inmem_pages); - inc_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES); - mutex_unlock(&F2FS_I(inode)->inmem_lock); - - trace_f2fs_register_inmem_page(page, INMEM); -} - -static int __revoke_inmem_pages(struct inode *inode, - struct list_head *head, bool drop, bool recover, - bool trylock) +void f2fs_abort_atomic_write(struct inode *inode, bool clean) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct inmem_pages *cur, *tmp; - int err = 0; + struct f2fs_inode_info *fi = F2FS_I(inode); + + if (f2fs_is_atomic_file(inode)) { + if (clean) + truncate_inode_pages_final(inode->i_mapping); + clear_inode_flag(fi->cow_inode, FI_ATOMIC_FILE); + iput(fi->cow_inode); + fi->cow_inode = NULL; + clear_inode_flag(inode, FI_ATOMIC_FILE); + + spin_lock(&sbi->inode_lock[ATOMIC_FILE]); + sbi->atomic_files--; + spin_unlock(&sbi->inode_lock[ATOMIC_FILE]); + } +} + +static int __replace_atomic_write_block(struct inode *inode, pgoff_t index, + block_t new_addr, block_t *old_addr, bool recover) +{ + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + struct dnode_of_data dn; + struct node_info ni; + int err; + +retry: + set_new_dnode(&dn, inode, NULL, NULL, 0); + err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE_RA); + if (err) { + if (err == -ENOMEM) { + f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); + goto retry; + } + return err; + } + + err = f2fs_get_node_info(sbi, dn.nid, &ni, false); + if (err) { + f2fs_put_dnode(&dn); + return err; + } + + if (recover) { + /* dn.data_blkaddr is always valid */ + if (!__is_valid_data_blkaddr(new_addr)) { + if (new_addr == NULL_ADDR) + dec_valid_block_count(sbi, inode, 1); + f2fs_invalidate_blocks(sbi, dn.data_blkaddr); + f2fs_update_data_blkaddr(&dn, new_addr); + } else { + f2fs_replace_block(sbi, &dn, dn.data_blkaddr, + new_addr, ni.version, true, true); + } + } else { + blkcnt_t count = 1; + + *old_addr = dn.data_blkaddr; + f2fs_truncate_data_blocks_range(&dn, 1); + dec_valid_block_count(sbi, F2FS_I(inode)->cow_inode, count); + inc_valid_block_count(sbi, inode, &count); + f2fs_replace_block(sbi, &dn, dn.data_blkaddr, new_addr, + ni.version, true, false); + } + + f2fs_put_dnode(&dn); + return 0; +} + +static void __complete_revoke_list(struct inode *inode, struct list_head *head, + bool revoke) +{ + struct revoke_entry *cur, *tmp; list_for_each_entry_safe(cur, tmp, head, list) { - struct page *page = cur->page; - - if (drop) - trace_f2fs_commit_inmem_page(page, INMEM_DROP); - - if (trylock) { - /* - * to avoid deadlock in between page lock and - * inmem_lock. - */ - if (!trylock_page(page)) - continue; - } else { - lock_page(page); - } - - f2fs_wait_on_page_writeback(page, DATA, true, true); - - if (recover) { - struct dnode_of_data dn; - struct node_info ni; - - trace_f2fs_commit_inmem_page(page, INMEM_REVOKE); -retry: - set_new_dnode(&dn, inode, NULL, NULL, 0); - err = f2fs_get_dnode_of_data(&dn, page->index, - LOOKUP_NODE); - if (err) { - if (err == -ENOMEM) { - memalloc_retry_wait(GFP_NOFS); - goto retry; - } - err = -EAGAIN; - goto next; - } - - err = f2fs_get_node_info(sbi, dn.nid, &ni, false); - if (err) { - f2fs_put_dnode(&dn); - return err; - } - - if (cur->old_addr == NEW_ADDR) { - f2fs_invalidate_blocks(sbi, dn.data_blkaddr); - f2fs_update_data_blkaddr(&dn, NEW_ADDR); - } else - f2fs_replace_block(sbi, &dn, dn.data_blkaddr, - cur->old_addr, ni.version, true, true); - f2fs_put_dnode(&dn); - } -next: - /* we don't need to invalidate this in the sccessful status */ - if (drop || recover) { - ClearPageUptodate(page); - clear_page_private_gcing(page); - } - detach_page_private(page); - set_page_private(page, 0); - f2fs_put_page(page, 1); - + if (revoke) + __replace_atomic_write_block(inode, cur->index, + cur->old_addr, NULL, true); list_del(&cur->list); - kmem_cache_free(inmem_entry_slab, cur); - dec_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES); + kmem_cache_free(revoke_entry_slab, cur); } - return err; } -void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure) -{ - struct list_head *head = &sbi->inode_list[ATOMIC_FILE]; - struct inode *inode; - struct f2fs_inode_info *fi; - unsigned int count = sbi->atomic_files; - unsigned int looped = 0; -next: - spin_lock(&sbi->inode_lock[ATOMIC_FILE]); - if (list_empty(head)) { - spin_unlock(&sbi->inode_lock[ATOMIC_FILE]); - return; - } - fi = list_first_entry(head, struct f2fs_inode_info, inmem_ilist); - inode = igrab(&fi->vfs_inode); - if (inode) - list_move_tail(&fi->inmem_ilist, head); - spin_unlock(&sbi->inode_lock[ATOMIC_FILE]); - - if (inode) { - if (gc_failure) { - if (!fi->i_gc_failures[GC_FAILURE_ATOMIC]) - goto skip; - } - set_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST); - f2fs_drop_inmem_pages(inode); -skip: - iput(inode); - } - f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); - if (gc_failure) { - if (++looped >= count) - return; - } - goto next; -} - -void f2fs_drop_inmem_pages(struct inode *inode) +static int __f2fs_commit_atomic_write(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode_info *fi = F2FS_I(inode); - - do { - mutex_lock(&fi->inmem_lock); - if (list_empty(&fi->inmem_pages)) { - fi->i_gc_failures[GC_FAILURE_ATOMIC] = 0; - - spin_lock(&sbi->inode_lock[ATOMIC_FILE]); - if (!list_empty(&fi->inmem_ilist)) - list_del_init(&fi->inmem_ilist); - if (f2fs_is_atomic_file(inode)) { - clear_inode_flag(inode, FI_ATOMIC_FILE); - sbi->atomic_files--; - } - spin_unlock(&sbi->inode_lock[ATOMIC_FILE]); - - mutex_unlock(&fi->inmem_lock); - break; - } - __revoke_inmem_pages(inode, &fi->inmem_pages, - true, false, true); - mutex_unlock(&fi->inmem_lock); - } while (1); -} - -void f2fs_drop_inmem_page(struct inode *inode, struct page *page) -{ - struct f2fs_inode_info *fi = F2FS_I(inode); - struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct list_head *head = &fi->inmem_pages; - struct inmem_pages *cur = NULL; - - f2fs_bug_on(sbi, !page_private_atomic(page)); - - mutex_lock(&fi->inmem_lock); - list_for_each_entry(cur, head, list) { - if (cur->page == page) - break; - } - - f2fs_bug_on(sbi, list_empty(head) || cur->page != page); - list_del(&cur->list); - mutex_unlock(&fi->inmem_lock); - - dec_page_count(sbi, F2FS_INMEM_PAGES); - kmem_cache_free(inmem_entry_slab, cur); - - ClearPageUptodate(page); - clear_page_private_atomic(page); - f2fs_put_page(page, 0); - - detach_page_private(page); - set_page_private(page, 0); - - trace_f2fs_commit_inmem_page(page, INMEM_INVALIDATE); -} - -static int __f2fs_commit_inmem_pages(struct inode *inode) -{ - struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct f2fs_inode_info *fi = F2FS_I(inode); - struct inmem_pages *cur, *tmp; - struct f2fs_io_info fio = { - .sbi = sbi, - .ino = inode->i_ino, - .type = DATA, - .op = REQ_OP_WRITE, - .op_flags = REQ_SYNC | REQ_PRIO, - .io_type = FS_DATA_IO, - }; + struct inode *cow_inode = fi->cow_inode; + struct revoke_entry *new; struct list_head revoke_list; - bool submit_bio = false; - int err = 0; + block_t blkaddr; + struct dnode_of_data dn; + pgoff_t len = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE); + pgoff_t off = 0, blen, index; + int ret = 0, i; INIT_LIST_HEAD(&revoke_list); - list_for_each_entry_safe(cur, tmp, &fi->inmem_pages, list) { - struct page *page = cur->page; + while (len) { + blen = min_t(pgoff_t, ADDRS_PER_BLOCK(cow_inode), len); - lock_page(page); - if (page->mapping == inode->i_mapping) { - trace_f2fs_commit_inmem_page(page, INMEM); - - f2fs_wait_on_page_writeback(page, DATA, true, true); - - set_page_dirty(page); - if (clear_page_dirty_for_io(page)) { - inode_dec_dirty_pages(inode); - f2fs_remove_dirty_inode(inode); - } -retry: - fio.page = page; - fio.old_blkaddr = NULL_ADDR; - fio.encrypted_page = NULL; - fio.need_lock = LOCK_DONE; - err = f2fs_do_write_data_page(&fio); - if (err) { - if (err == -ENOMEM) { - memalloc_retry_wait(GFP_NOFS); - goto retry; - } - unlock_page(page); - break; - } - /* record old blkaddr for revoking */ - cur->old_addr = fio.old_blkaddr; - submit_bio = true; + set_new_dnode(&dn, cow_inode, NULL, NULL, 0); + ret = f2fs_get_dnode_of_data(&dn, off, LOOKUP_NODE_RA); + if (ret && ret != -ENOENT) { + goto out; + } else if (ret == -ENOENT) { + ret = 0; + if (dn.max_level == 0) + goto out; + goto next; } - unlock_page(page); - list_move_tail(&cur->list, &revoke_list); + + blen = min((pgoff_t)ADDRS_PER_PAGE(dn.node_page, cow_inode), + len); + index = off; + for (i = 0; i < blen; i++, dn.ofs_in_node++, index++) { + blkaddr = f2fs_data_blkaddr(&dn); + + if (!__is_valid_data_blkaddr(blkaddr)) { + continue; + } else if (!f2fs_is_valid_blkaddr(sbi, blkaddr, + DATA_GENERIC_ENHANCE)) { + f2fs_put_dnode(&dn); + ret = -EFSCORRUPTED; + goto out; + } + + new = f2fs_kmem_cache_alloc(revoke_entry_slab, GFP_NOFS, + true, NULL); + + ret = __replace_atomic_write_block(inode, index, blkaddr, + &new->old_addr, false); + if (ret) { + f2fs_put_dnode(&dn); + kmem_cache_free(revoke_entry_slab, new); + goto out; + } + + f2fs_update_data_blkaddr(&dn, NULL_ADDR); + new->index = index; + list_add_tail(&new->list, &revoke_list); + } + f2fs_put_dnode(&dn); +next: + off += blen; + len -= blen; } - if (submit_bio) - f2fs_submit_merged_write_cond(sbi, inode, NULL, 0, DATA); +out: + __complete_revoke_list(inode, &revoke_list, ret ? true : false); - if (err) { - /* - * try to revoke all committed pages, but still we could fail - * due to no memory or other reason, if that happened, EAGAIN - * will be returned, which means in such case, transaction is - * already not integrity, caller should use journal to do the - * recovery or rewrite & commit last transaction. For other - * error number, revoking was done by filesystem itself. - */ - err = __revoke_inmem_pages(inode, &revoke_list, - false, true, false); - - /* drop all uncommitted pages */ - __revoke_inmem_pages(inode, &fi->inmem_pages, - true, false, false); - } else { - __revoke_inmem_pages(inode, &revoke_list, - false, false, false); - } - - return err; + return ret; } -int f2fs_commit_inmem_pages(struct inode *inode) +int f2fs_commit_atomic_write(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode_info *fi = F2FS_I(inode); int err; - f2fs_balance_fs(sbi, true); + err = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX); + if (err) + return err; f2fs_down_write(&fi->i_gc_rwsem[WRITE]); - f2fs_lock_op(sbi); - set_inode_flag(inode, FI_ATOMIC_COMMIT); - mutex_lock(&fi->inmem_lock); - err = __f2fs_commit_inmem_pages(inode); - mutex_unlock(&fi->inmem_lock); - - clear_inode_flag(inode, FI_ATOMIC_COMMIT); + err = __f2fs_commit_atomic_write(inode); f2fs_unlock_op(sbi); f2fs_up_write(&fi->i_gc_rwsem[WRITE]); @@ -520,8 +394,15 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need) io_schedule(); finish_wait(&sbi->gc_thread->fggc_wq, &wait); } else { + struct f2fs_gc_control gc_control = { + .victim_segno = NULL_SEGNO, + .init_gc_type = BG_GC, + .no_bg_gc = true, + .should_migrate_blocks = false, + .err_gc_skipped = false, + .nr_free_secs = 1 }; f2fs_down_write(&sbi->gc_lock); - f2fs_gc(sbi, false, false, false, NULL_SEGNO); + f2fs_gc(sbi, &gc_control); } } } @@ -1664,33 +1545,32 @@ static unsigned int __wait_discard_cmd_range(struct f2fs_sb_info *sbi, struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info; struct list_head *wait_list = (dpolicy->type == DPOLICY_FSTRIM) ? &(dcc->fstrim_list) : &(dcc->wait_list); - struct discard_cmd *dc, *tmp; - bool need_wait; + struct discard_cmd *dc = NULL, *iter, *tmp; unsigned int trimmed = 0; next: - need_wait = false; + dc = NULL; mutex_lock(&dcc->cmd_lock); - list_for_each_entry_safe(dc, tmp, wait_list, list) { - if (dc->lstart + dc->len <= start || end <= dc->lstart) + list_for_each_entry_safe(iter, tmp, wait_list, list) { + if (iter->lstart + iter->len <= start || end <= iter->lstart) continue; - if (dc->len < dpolicy->granularity) + if (iter->len < dpolicy->granularity) continue; - if (dc->state == D_DONE && !dc->ref) { - wait_for_completion_io(&dc->wait); - if (!dc->error) - trimmed += dc->len; - __remove_discard_cmd(sbi, dc); + if (iter->state == D_DONE && !iter->ref) { + wait_for_completion_io(&iter->wait); + if (!iter->error) + trimmed += iter->len; + __remove_discard_cmd(sbi, iter); } else { - dc->ref++; - need_wait = true; + iter->ref++; + dc = iter; break; } } mutex_unlock(&dcc->cmd_lock); - if (need_wait) { + if (dc) { trimmed += __wait_one_discard_bio(sbi, dc); goto next; } @@ -3286,8 +3166,7 @@ static int __get_segment_type_6(struct f2fs_io_info *fio) return CURSEG_COLD_DATA; if (file_is_hot(inode) || is_inode_flag_set(inode, FI_HOT_DATA) || - f2fs_is_atomic_file(inode) || - f2fs_is_volatile_file(inode)) + f2fs_is_atomic_file(inode)) return CURSEG_HOT_DATA; return f2fs_rw_hint_to_seg_type(inode->i_write_hint); } else { @@ -4084,10 +3963,12 @@ static void adjust_sit_entry_set(struct sit_entry_set *ses, return; list_for_each_entry_continue(next, head, set_list) - if (ses->entry_cnt <= next->entry_cnt) - break; + if (ses->entry_cnt <= next->entry_cnt) { + list_move_tail(&ses->set_list, &next->set_list); + return; + } - list_move_tail(&ses->set_list, &next->set_list); + list_move_tail(&ses->set_list, head); } static void add_sit_entry(unsigned int segno, struct list_head *head) @@ -4455,7 +4336,7 @@ static int build_sit_entries(struct f2fs_sb_info *sbi) unsigned int i, start, end; unsigned int readed, start_blk = 0; int err = 0; - block_t total_node_blocks = 0; + block_t sit_valid_blocks[2] = {0, 0}; do { readed = f2fs_ra_meta_pages(sbi, start_blk, BIO_MAX_VECS, @@ -4480,8 +4361,8 @@ static int build_sit_entries(struct f2fs_sb_info *sbi) if (err) return err; seg_info_from_raw_sit(se, &sit); - if (IS_NODESEG(se->type)) - total_node_blocks += se->valid_blocks; + + sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks; if (f2fs_block_unit_discard(sbi)) { /* build discard map only one time */ @@ -4521,15 +4402,15 @@ static int build_sit_entries(struct f2fs_sb_info *sbi) sit = sit_in_journal(journal, i); old_valid_blocks = se->valid_blocks; - if (IS_NODESEG(se->type)) - total_node_blocks -= old_valid_blocks; + + sit_valid_blocks[SE_PAGETYPE(se)] -= old_valid_blocks; err = check_block_count(sbi, start, &sit); if (err) break; seg_info_from_raw_sit(se, &sit); - if (IS_NODESEG(se->type)) - total_node_blocks += se->valid_blocks; + + sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks; if (f2fs_block_unit_discard(sbi)) { if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) { @@ -4551,13 +4432,24 @@ static int build_sit_entries(struct f2fs_sb_info *sbi) } up_read(&curseg->journal_rwsem); - if (!err && total_node_blocks != valid_node_count(sbi)) { + if (err) + return err; + + if (sit_valid_blocks[NODE] != valid_node_count(sbi)) { f2fs_err(sbi, "SIT is corrupted node# %u vs %u", - total_node_blocks, valid_node_count(sbi)); - err = -EFSCORRUPTED; + sit_valid_blocks[NODE], valid_node_count(sbi)); + return -EFSCORRUPTED; } - return err; + if (sit_valid_blocks[DATA] + sit_valid_blocks[NODE] > + valid_user_blocks(sbi)) { + f2fs_err(sbi, "SIT is corrupted data# %u %u vs %u", + sit_valid_blocks[DATA], sit_valid_blocks[NODE], + valid_user_blocks(sbi)); + return -EFSCORRUPTED; + } + + return 0; } static void init_free_segmap(struct f2fs_sb_info *sbi) @@ -4637,6 +4529,13 @@ static int init_victim_secmap(struct f2fs_sb_info *sbi) dirty_i->victim_secmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL); if (!dirty_i->victim_secmap) return -ENOMEM; + + dirty_i->pinned_secmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL); + if (!dirty_i->pinned_secmap) + return -ENOMEM; + + dirty_i->pinned_secmap_cnt = 0; + dirty_i->enable_pin_section = true; return 0; } @@ -5225,6 +5124,7 @@ static void destroy_victim_secmap(struct f2fs_sb_info *sbi) { struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); + kvfree(dirty_i->pinned_secmap); kvfree(dirty_i->victim_secmap); } @@ -5335,9 +5235,9 @@ int __init f2fs_create_segment_manager_caches(void) if (!sit_entry_set_slab) goto destroy_discard_cmd; - inmem_entry_slab = f2fs_kmem_cache_create("f2fs_inmem_page_entry", - sizeof(struct inmem_pages)); - if (!inmem_entry_slab) + revoke_entry_slab = f2fs_kmem_cache_create("f2fs_revoke_entry", + sizeof(struct revoke_entry)); + if (!revoke_entry_slab) goto destroy_sit_entry_set; return 0; @@ -5356,5 +5256,5 @@ void f2fs_destroy_segment_manager_caches(void) kmem_cache_destroy(sit_entry_set_slab); kmem_cache_destroy(discard_cmd_slab); kmem_cache_destroy(discard_entry_slab); - kmem_cache_destroy(inmem_entry_slab); + kmem_cache_destroy(revoke_entry_slab); } diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 5c94caf0c0a1..3f277dfcb131 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -24,6 +24,7 @@ #define IS_DATASEG(t) ((t) <= CURSEG_COLD_DATA) #define IS_NODESEG(t) ((t) >= CURSEG_HOT_NODE && (t) <= CURSEG_COLD_NODE) +#define SE_PAGETYPE(se) ((IS_NODESEG((se)->type) ? NODE : DATA)) static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi, unsigned short seg_type) @@ -224,10 +225,10 @@ struct segment_allocation { #define MAX_SKIP_GC_COUNT 16 -struct inmem_pages { +struct revoke_entry { struct list_head list; - struct page *page; block_t old_addr; /* for revoking when fail to commit */ + pgoff_t index; }; struct sit_info { @@ -294,6 +295,9 @@ struct dirty_seglist_info { struct mutex seglist_lock; /* lock for segment bitmaps */ int nr_dirty[NR_DIRTY_TYPE]; /* # of dirty segments */ unsigned long *victim_secmap; /* background GC victims */ + unsigned long *pinned_secmap; /* pinned victims from foreground GC */ + unsigned int pinned_secmap_cnt; /* count of victims which has pinned data */ + bool enable_pin_section; /* enable pinning section */ }; /* victim selection function for cleaning and SSR */ @@ -572,11 +576,10 @@ static inline int reserved_sections(struct f2fs_sb_info *sbi) return GET_SEC_FROM_SEG(sbi, reserved_segments(sbi)); } -static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi) +static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi, + unsigned int node_blocks, unsigned int dent_blocks) { - unsigned int node_blocks = get_pages(sbi, F2FS_DIRTY_NODES) + - get_pages(sbi, F2FS_DIRTY_DENTS); - unsigned int dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS); + unsigned int segno, left_blocks; int i; @@ -602,19 +605,28 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi) static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed, int needed) { - int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); - int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); - int imeta_secs = get_blocktype_secs(sbi, F2FS_DIRTY_IMETA); + unsigned int total_node_blocks = get_pages(sbi, F2FS_DIRTY_NODES) + + get_pages(sbi, F2FS_DIRTY_DENTS) + + get_pages(sbi, F2FS_DIRTY_IMETA); + unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS); + unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi); + unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi); + unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi); + unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi); + unsigned int free, need_lower, need_upper; if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) return false; - if (free_sections(sbi) + freed == reserved_sections(sbi) + needed && - has_curseg_enough_space(sbi)) + free = free_sections(sbi) + freed; + need_lower = node_secs + dent_secs + reserved_sections(sbi) + needed; + need_upper = need_lower + (node_blocks ? 1 : 0) + (dent_blocks ? 1 : 0); + + if (free > need_upper) return false; - return (free_sections(sbi) + freed) <= - (node_secs + 2 * dent_secs + imeta_secs + - reserved_sections(sbi) + needed); + else if (free <= need_lower) + return true; + return !has_curseg_enough_space(sbi, node_blocks, dent_blocks); } static inline bool f2fs_is_checkpoint_ready(struct f2fs_sb_info *sbi) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index ed3e8b7a8260..37221e94e5ef 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -525,10 +525,11 @@ static int f2fs_set_test_dummy_encryption(struct super_block *sb, return -EINVAL; } f2fs_warn(sbi, "Test dummy encryption mode enabled"); -#else - f2fs_warn(sbi, "Test dummy encryption mount option ignored"); -#endif return 0; +#else + f2fs_warn(sbi, "test_dummy_encryption option not supported"); + return -EINVAL; +#endif } #ifdef CONFIG_F2FS_FS_COMPRESSION @@ -1339,9 +1340,6 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb) spin_lock_init(&fi->i_size_lock); INIT_LIST_HEAD(&fi->dirty_list); INIT_LIST_HEAD(&fi->gdirty_list); - INIT_LIST_HEAD(&fi->inmem_ilist); - INIT_LIST_HEAD(&fi->inmem_pages); - mutex_init(&fi->inmem_lock); init_f2fs_rwsem(&fi->i_gc_rwsem[READ]); init_f2fs_rwsem(&fi->i_gc_rwsem[WRITE]); init_f2fs_rwsem(&fi->i_xattr_sem); @@ -1382,9 +1380,8 @@ static int f2fs_drop_inode(struct inode *inode) atomic_inc(&inode->i_count); spin_unlock(&inode->i_lock); - /* some remained atomic pages should discarded */ if (f2fs_is_atomic_file(inode)) - f2fs_drop_inmem_pages(inode); + f2fs_abort_atomic_write(inode, true); /* should remain fi->extent_tree for writepage */ f2fs_destroy_extent_node(inode); @@ -1707,18 +1704,23 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) u64 id = huge_encode_dev(sb->s_bdev->bd_dev); block_t total_count, user_block_count, start_count; u64 avail_node_count; + unsigned int total_valid_node_count; total_count = le64_to_cpu(sbi->raw_super->block_count); - user_block_count = sbi->user_block_count; start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); buf->f_type = F2FS_SUPER_MAGIC; buf->f_bsize = sbi->blocksize; buf->f_blocks = total_count - start_count; + + spin_lock(&sbi->stat_lock); + + user_block_count = sbi->user_block_count; + total_valid_node_count = valid_node_count(sbi); + avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; buf->f_bfree = user_block_count - valid_user_blocks(sbi) - sbi->current_reserved_blocks; - spin_lock(&sbi->stat_lock); if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) buf->f_bfree = 0; else @@ -1731,14 +1733,12 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) else buf->f_bavail = 0; - avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; - if (avail_node_count > user_block_count) { buf->f_files = user_block_count; buf->f_ffree = buf->f_bavail; } else { buf->f_files = avail_node_count; - buf->f_ffree = min(avail_node_count - valid_node_count(sbi), + buf->f_ffree = min(avail_node_count - total_valid_node_count, buf->f_bavail); } @@ -2055,7 +2055,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) { unsigned int s_flags = sbi->sb->s_flags; struct cp_control cpc; - unsigned int gc_mode; + unsigned int gc_mode = sbi->gc_mode; int err = 0; int ret; block_t unusable; @@ -2066,14 +2066,25 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) } sbi->sb->s_flags |= SB_ACTIVE; + /* check if we need more GC first */ + unusable = f2fs_get_unusable_blocks(sbi); + if (!f2fs_disable_cp_again(sbi, unusable)) + goto skip_gc; + f2fs_update_time(sbi, DISABLE_TIME); - gc_mode = sbi->gc_mode; sbi->gc_mode = GC_URGENT_HIGH; while (!f2fs_time_over(sbi, DISABLE_TIME)) { + struct f2fs_gc_control gc_control = { + .victim_segno = NULL_SEGNO, + .init_gc_type = FG_GC, + .should_migrate_blocks = false, + .err_gc_skipped = true, + .nr_free_secs = 1 }; + f2fs_down_write(&sbi->gc_lock); - err = f2fs_gc(sbi, true, false, false, NULL_SEGNO); + err = f2fs_gc(sbi, &gc_control); if (err == -ENODATA) { err = 0; break; @@ -2094,6 +2105,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) goto restore_flag; } +skip_gc: f2fs_down_write(&sbi->gc_lock); cpc.reason = CP_PAUSE; set_sbi_flag(sbi, SBI_CP_DISABLED); @@ -2684,7 +2696,8 @@ int f2fs_quota_sync(struct super_block *sb, int type) if (!sb_has_quota_active(sb, cnt)) continue; - inode_lock(dqopt->files[cnt]); + if (!f2fs_sb_has_quota_ino(sbi)) + inode_lock(dqopt->files[cnt]); /* * do_quotactl @@ -2703,7 +2716,8 @@ int f2fs_quota_sync(struct super_block *sb, int type) f2fs_up_read(&sbi->quota_sem); f2fs_unlock_op(sbi); - inode_unlock(dqopt->files[cnt]); + if (!f2fs_sb_has_quota_ino(sbi)) + inode_unlock(dqopt->files[cnt]); if (ret) break; @@ -3648,22 +3662,29 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) struct block_device *bdev = FDEV(devi).bdev; sector_t nr_sectors = bdev_nr_sectors(bdev); struct f2fs_report_zones_args rep_zone_arg; + u64 zone_sectors; int ret; if (!f2fs_sb_has_blkzoned(sbi)) return 0; - if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != - SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) + zone_sectors = bdev_zone_sectors(bdev); + if (!is_power_of_2(zone_sectors)) { + f2fs_err(sbi, "F2FS does not support non power of 2 zone sizes\n"); return -EINVAL; - sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); + } + + if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != + SECTOR_TO_BLOCK(zone_sectors)) + return -EINVAL; + sbi->blocks_per_blkz = SECTOR_TO_BLOCK(zone_sectors); if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != __ilog2_u32(sbi->blocks_per_blkz)) return -EINVAL; sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> sbi->log_blocks_per_blkz; - if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) + if (nr_sectors & (zone_sectors - 1)) FDEV(devi).nr_blkz++; FDEV(devi).blkz_seq = f2fs_kvzalloc(sbi, @@ -4070,30 +4091,9 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) set_sbi_flag(sbi, SBI_POR_DOING); spin_lock_init(&sbi->stat_lock); - for (i = 0; i < NR_PAGE_TYPE; i++) { - int n = (i == META) ? 1 : NR_TEMP_TYPE; - int j; - - sbi->write_io[i] = - f2fs_kmalloc(sbi, - array_size(n, - sizeof(struct f2fs_bio_info)), - GFP_KERNEL); - if (!sbi->write_io[i]) { - err = -ENOMEM; - goto free_bio_info; - } - - for (j = HOT; j < n; j++) { - init_f2fs_rwsem(&sbi->write_io[i][j].io_rwsem); - sbi->write_io[i][j].sbi = sbi; - sbi->write_io[i][j].bio = NULL; - spin_lock_init(&sbi->write_io[i][j].io_lock); - INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); - INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list); - init_f2fs_rwsem(&sbi->write_io[i][j].bio_list_lock); - } - } + err = f2fs_init_write_merge_io(sbi); + if (err) + goto free_bio_info; init_f2fs_rwsem(&sbi->cp_rwsem); init_f2fs_rwsem(&sbi->quota_sem); diff --git a/fs/f2fs/verity.c b/fs/f2fs/verity.c index 65395ae188aa..7b8f2b41c29b 100644 --- a/fs/f2fs/verity.c +++ b/fs/f2fs/verity.c @@ -129,7 +129,7 @@ static int f2fs_begin_enable_verity(struct file *filp) if (f2fs_verity_in_progress(inode)) return -EBUSY; - if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) + if (f2fs_is_atomic_file(inode)) return -EOPNOTSUPP; /* diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index bea654a85e6b..513e889ef8aa 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -15,10 +15,6 @@ TRACE_DEFINE_ENUM(NODE); TRACE_DEFINE_ENUM(DATA); TRACE_DEFINE_ENUM(META); TRACE_DEFINE_ENUM(META_FLUSH); -TRACE_DEFINE_ENUM(INMEM); -TRACE_DEFINE_ENUM(INMEM_DROP); -TRACE_DEFINE_ENUM(INMEM_INVALIDATE); -TRACE_DEFINE_ENUM(INMEM_REVOKE); TRACE_DEFINE_ENUM(IPU); TRACE_DEFINE_ENUM(OPU); TRACE_DEFINE_ENUM(HOT); @@ -59,10 +55,6 @@ TRACE_DEFINE_ENUM(CP_RESIZE); { DATA, "DATA" }, \ { META, "META" }, \ { META_FLUSH, "META_FLUSH" }, \ - { INMEM, "INMEM" }, \ - { INMEM_DROP, "INMEM_DROP" }, \ - { INMEM_INVALIDATE, "INMEM_INVALIDATE" }, \ - { INMEM_REVOKE, "INMEM_REVOKE" }, \ { IPU, "IN-PLACE" }, \ { OPU, "OUT-OF-PLACE" }) @@ -652,19 +644,22 @@ TRACE_EVENT(f2fs_background_gc, TRACE_EVENT(f2fs_gc_begin, - TP_PROTO(struct super_block *sb, bool sync, bool background, + TP_PROTO(struct super_block *sb, int gc_type, bool no_bg_gc, + unsigned int nr_free_secs, long long dirty_nodes, long long dirty_dents, long long dirty_imeta, unsigned int free_sec, unsigned int free_seg, int reserved_seg, unsigned int prefree_seg), - TP_ARGS(sb, sync, background, dirty_nodes, dirty_dents, dirty_imeta, + TP_ARGS(sb, gc_type, no_bg_gc, nr_free_secs, dirty_nodes, + dirty_dents, dirty_imeta, free_sec, free_seg, reserved_seg, prefree_seg), TP_STRUCT__entry( __field(dev_t, dev) - __field(bool, sync) - __field(bool, background) + __field(int, gc_type) + __field(bool, no_bg_gc) + __field(unsigned int, nr_free_secs) __field(long long, dirty_nodes) __field(long long, dirty_dents) __field(long long, dirty_imeta) @@ -676,8 +671,9 @@ TRACE_EVENT(f2fs_gc_begin, TP_fast_assign( __entry->dev = sb->s_dev; - __entry->sync = sync; - __entry->background = background; + __entry->gc_type = gc_type; + __entry->no_bg_gc = no_bg_gc; + __entry->nr_free_secs = nr_free_secs; __entry->dirty_nodes = dirty_nodes; __entry->dirty_dents = dirty_dents; __entry->dirty_imeta = dirty_imeta; @@ -687,12 +683,13 @@ TRACE_EVENT(f2fs_gc_begin, __entry->prefree_seg = prefree_seg; ), - TP_printk("dev = (%d,%d), sync = %d, background = %d, nodes = %lld, " - "dents = %lld, imeta = %lld, free_sec:%u, free_seg:%u, " + TP_printk("dev = (%d,%d), gc_type = %s, no_background_GC = %d, nr_free_secs = %u, " + "nodes = %lld, dents = %lld, imeta = %lld, free_sec:%u, free_seg:%u, " "rsv_seg:%d, prefree_seg:%u", show_dev(__entry->dev), - __entry->sync, - __entry->background, + show_gc_type(__entry->gc_type), + (__entry->gc_type == BG_GC) ? __entry->no_bg_gc : -1, + __entry->nr_free_secs, __entry->dirty_nodes, __entry->dirty_dents, __entry->dirty_imeta, @@ -1285,20 +1282,6 @@ DEFINE_EVENT(f2fs__page, f2fs_vm_page_mkwrite, TP_ARGS(page, type) ); -DEFINE_EVENT(f2fs__page, f2fs_register_inmem_page, - - TP_PROTO(struct page *page, int type), - - TP_ARGS(page, type) -); - -DEFINE_EVENT(f2fs__page, f2fs_commit_inmem_page, - - TP_PROTO(struct page *page, int type), - - TP_ARGS(page, type) -); - TRACE_EVENT(f2fs_filemap_fault, TP_PROTO(struct inode *inode, pgoff_t index, unsigned long ret), @@ -2063,6 +2046,100 @@ TRACE_EVENT(f2fs_fiemap, __entry->ret) ); +DECLARE_EVENT_CLASS(f2fs__rw_start, + + TP_PROTO(struct inode *inode, loff_t offset, int bytes, + pid_t pid, char *pathname, char *command), + + TP_ARGS(inode, offset, bytes, pid, pathname, command), + + TP_STRUCT__entry( + __string(pathbuf, pathname) + __field(loff_t, offset) + __field(int, bytes) + __field(loff_t, i_size) + __string(cmdline, command) + __field(pid_t, pid) + __field(ino_t, ino) + ), + + TP_fast_assign( + /* + * Replace the spaces in filenames and cmdlines + * because this screws up the tooling that parses + * the traces. + */ + __assign_str(pathbuf, pathname); + (void)strreplace(__get_str(pathbuf), ' ', '_'); + __entry->offset = offset; + __entry->bytes = bytes; + __entry->i_size = i_size_read(inode); + __assign_str(cmdline, command); + (void)strreplace(__get_str(cmdline), ' ', '_'); + __entry->pid = pid; + __entry->ino = inode->i_ino; + ), + + TP_printk("entry_name %s, offset %llu, bytes %d, cmdline %s," + " pid %d, i_size %llu, ino %lu", + __get_str(pathbuf), __entry->offset, __entry->bytes, + __get_str(cmdline), __entry->pid, __entry->i_size, + (unsigned long) __entry->ino) +); + +DECLARE_EVENT_CLASS(f2fs__rw_end, + + TP_PROTO(struct inode *inode, loff_t offset, int bytes), + + TP_ARGS(inode, offset, bytes), + + TP_STRUCT__entry( + __field(ino_t, ino) + __field(loff_t, offset) + __field(int, bytes) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->offset = offset; + __entry->bytes = bytes; + ), + + TP_printk("ino %lu, offset %llu, bytes %d", + (unsigned long) __entry->ino, + __entry->offset, __entry->bytes) +); + +DEFINE_EVENT(f2fs__rw_start, f2fs_dataread_start, + + TP_PROTO(struct inode *inode, loff_t offset, int bytes, + pid_t pid, char *pathname, char *command), + + TP_ARGS(inode, offset, bytes, pid, pathname, command) +); + +DEFINE_EVENT(f2fs__rw_end, f2fs_dataread_end, + + TP_PROTO(struct inode *inode, loff_t offset, int bytes), + + TP_ARGS(inode, offset, bytes) +); + +DEFINE_EVENT(f2fs__rw_start, f2fs_datawrite_start, + + TP_PROTO(struct inode *inode, loff_t offset, int bytes, + pid_t pid, char *pathname, char *command), + + TP_ARGS(inode, offset, bytes, pid, pathname, command) +); + +DEFINE_EVENT(f2fs__rw_end, f2fs_datawrite_end, + + TP_PROTO(struct inode *inode, loff_t offset, int bytes), + + TP_ARGS(inode, offset, bytes) +); + #endif /* _TRACE_F2FS_H */ /* This part must be outside protection */