unimore/kernel-hacking-2024-linux-steffo
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f2fs: skip clean segment for gc

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If a segment in a section is clean or prefreed, we don't need to get its summary
and do gc.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-06-06 18:49:54 -07:00
parent 19a5f5e2ef
commit aa98727329
1 changed files with 4 additions and 0 deletions
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4
fs/f2fs/gc.c
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@ -795,6 +795,10 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
}
for (segno = start_segno; segno < end_segno; segno++) {
if (get_valid_blocks(sbi, segno, 1) == 0)
continue;
/* find segment summary of victim */
sum_page = find_get_page(META_MAPPING(sbi),
GET_SUM_BLOCK(sbi, segno));