unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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btrfs: sanitizing ->fs_info, part 1

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take assignment of ->fs_info to callers of __setup_root()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-11-17 00:32:06 -05:00
parent 10f6327b5d
commit 2eb34cd368
1 changed files with 6 additions and 1 deletions
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7
fs/btrfs/disk-io.c
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@ -1142,7 +1142,6 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
root->orphan_item_inserted = 0;
root->orphan_cleanup_state = 0;
root->fs_info = fs_info;
root->objectid = objectid;
root->last_trans = 0;
root->highest_objectid = 0;
@ -1193,6 +1192,7 @@ static int find_and_setup_root(struct btrfs_root *tree_root,
u32 blocksize;
u64 generation;
root->fs_info = fs_info;
__setup_root(tree_root->nodesize, tree_root->leafsize,
tree_root->sectorsize, tree_root->stripesize,
root, fs_info, objectid);
@ -1227,6 +1227,7 @@ static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans,
if (!root)
return ERR_PTR(-ENOMEM);
root->fs_info = fs_info;
__setup_root(tree_root->nodesize, tree_root->leafsize,
tree_root->sectorsize, tree_root->stripesize,
root, fs_info, BTRFS_TREE_LOG_OBJECTID);
@ -1330,6 +1331,7 @@ struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_root *tree_root,
goto out;
}
root->fs_info = fs_info;
__setup_root(tree_root->nodesize, tree_root->leafsize,
tree_root->sectorsize, tree_root->stripesize,
root, fs_info, location->objectid);
@ -2055,6 +2057,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
init_waitqueue_head(&fs_info->transaction_blocked_wait);
init_waitqueue_head(&fs_info->async_submit_wait);
tree_root->fs_info = fs_info;
__setup_root(4096, 4096, 4096, 4096, tree_root,
fs_info, BTRFS_ROOT_TREE_OBJECTID);
@ -2247,6 +2250,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
btrfs_super_chunk_root_level(disk_super));
generation = btrfs_super_chunk_root_generation(disk_super);
chunk_root->fs_info = fs_info;
__setup_root(nodesize, leafsize, sectorsize, stripesize,
chunk_root, fs_info, BTRFS_CHUNK_TREE_OBJECTID);
@ -2373,6 +2377,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
goto fail_trans_kthread;
}
log_tree_root->fs_info = fs_info;
__setup_root(nodesize, leafsize, sectorsize, stripesize,
log_tree_root, fs_info, BTRFS_TREE_LOG_OBJECTID);