Thread (440 messages) flat view 440 messages, 8 authors, 2021-09-17
STALE1823d

[PATCH 5.14 149/432] f2fs: fix to account missing .skipped_gc_rwsem

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-09-16 17:26:32
Also in: lkml
Subsystem: f2fs file system, filesystems (vfs and infrastructure), the rest · Maintainers: Jaegeuk Kim, Chao Yu, Alexander Viro, Christian Brauner, Linus Torvalds

From: Chao Yu <chao@kernel.org>

[ Upstream commit ad126ebddecbf696e0cf214ff56c7b170fa9f0f7 ]

There is a missing place we forgot to account .skipped_gc_rwsem, fix it.

Fixes: 6f8d4455060d ("f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/gc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 0e42ee5f7770..70234a7040c8 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1497,8 +1497,10 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
 			int err;
 
 			if (S_ISREG(inode->i_mode)) {
-				if (!down_write_trylock(&fi->i_gc_rwsem[READ]))
+				if (!down_write_trylock(&fi->i_gc_rwsem[READ])) {
+					sbi->skipped_gc_rwsem++;
 					continue;
+				}
 				if (!down_write_trylock(
 						&fi->i_gc_rwsem[WRITE])) {
 					sbi->skipped_gc_rwsem++;
-- 
2.30.2


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