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f2fs: fix uninitialized skipped_gc_rwsem

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[ Upstream commit c17caf0ba3aa3411b96c71b4ce24be1040b8f3e8 ]

When f2fs skipped a gc round during victim migration, there was a bug which
would skip all upcoming gc rounds unconditionally because skipped_gc_rwsem
was not initialized. It fixes the bug by correctly initializing the
skipped_gc_rwsem inside the gc loop.

Fixes: 6f8d445506 ("f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc")
Signed-off-by: Yonggil Song <yonggil.song@samsung.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yonggil Song 2023-02-16 16:13:50 +09:00 • committed by Greg Kroah-Hartman
parent 61fbf097b7
commit d9e30b8ed4
1 changed files with 1 additions and 1 deletions
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2
fs/f2fs/gc.c
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@ -1792,8 +1792,8 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
prefree_segments(sbi));
cpc.reason = __get_cp_reason(sbi);
sbi->skipped_gc_rwsem = 0;
gc_more:
sbi->skipped_gc_rwsem = 0;
if (unlikely(!(sbi->sb->s_flags & SB_ACTIVE))) {
ret = -EINVAL;
goto stop;