[PATCH] f2fs: decrease maximum flush retry count in f2fs_enable_checkpoint()

[PATCH] f2fs: decrease maximum flush retry count in f2fs_enable_checkpoint()

[Chao Yu]

It's rare case that sync_inodes_sb() always skips to flush some drity
datas, so it's enough to give extra three more chances to flush data.

Signed-off-by: Chao Yu <chao@kernel.org>
---
 fs/f2fs/f2fs.h  | 2 ++
 fs/f2fs/super.c | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 3a8e1dcdcd69..cac4c730bf61 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -697,6 +697,8 @@ enum {
 
 #define DEFAULT_RETRY_IO_COUNT	8	/* maximum retry read IO or flush count */
 
+#define MAX_FLUSH_RETRY_COUNT	3	/* maximum flush retry count in f2fs_enable_checkpoint() */
+
 /* IO/non-IO congestion wait timeout value, default: 1 jiffies */
 #define	DEFAULT_SCHEDULE_TIMEOUT	1
 
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 5d8b2e812340..9d421a07d2d5 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2687,7 +2687,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
 
 static int f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
 {
-	int retry = DEFAULT_RETRY_IO_COUNT;
+	int retry = MAX_FLUSH_RETRY_COUNT;
 	long long start, writeback, end;
 	int ret;
 	struct f2fs_lock_context lc;
-- 
2.49.0

Re: [f2fs-dev] [PATCH] f2fs: decrease maximum flush retry count in f2fs_enable_checkpoint()

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Wed, 21 Jan 2026 05:14:04 +0000 you wrote:
> It's rare case that sync_inodes_sb() always skips to flush some drity
> datas, so it's enough to give extra three more chances to flush data.
> 
> Signed-off-by: Chao Yu <chao@kernel.org>
> ---
>  fs/f2fs/f2fs.h  | 2 ++
>  fs/f2fs/super.c | 2 +-
>  2 files changed, 3 insertions(+), 1 deletion(-)

Here is the summary with links:
  - [f2fs-dev] f2fs: decrease maximum flush retry count in f2fs_enable_checkpoint()
    https://git.kernel.org/jaegeuk/f2fs/c/6ca0ae2d1e32

You are awesome, thank you!
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