* [PATCH] f2fs: fix to account preflush command for noflush_merge mode
@ 2018-10-24 9:24 Chao Yu
0 siblings, 0 replies; only message in thread
From: Chao Yu @ 2018-10-24 9:24 UTC (permalink / raw)
To: jaegeuk; +Cc: linux-f2fs-devel, linux-kernel, chao, Chao Yu
Previously, we only account preflush command for flush_merge mode,
so for noflush_merge mode, we can not know in-flight preflush
command count, fix it.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
fs/f2fs/segment.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d0cc6330dd61..9f388098d174 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -666,7 +666,9 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino)
return 0;
if (!test_opt(sbi, FLUSH_MERGE)) {
+ atomic_inc(&fcc->issing_flush);
ret = submit_flush_wait(sbi, ino);
+ atomic_dec(&fcc->issing_flush);
atomic_inc(&fcc->issued_flush);
return ret;
}
--
2.18.0.rc1
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