[PATCH] f2fs: merge FUA command with the existing writes

[PATCH] f2fs: merge FUA command with the existing writes

[Jaegeuk Kim]

FUA writes can be merged to the existing write IOs.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/data.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 7961e0ddfca3..30cb2f230690 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -733,9 +733,11 @@ static bool page_is_mergeable(struct f2fs_sb_info *sbi, struct bio *bio,
 static bool io_type_is_mergeable(struct f2fs_bio_info *io,
 						struct f2fs_io_info *fio)
 {
+	blk_opf_t mask = ~(REQ_PREFLUSH | REQ_FUA);
+
 	if (io->fio.op != fio->op)
 		return false;
-	return io->fio.op_flags == fio->op_flags;
+	return (io->fio.op_flags & mask) == (fio->op_flags & mask);
 }
 
 static bool io_is_mergeable(struct f2fs_sb_info *sbi, struct bio *bio,
-- 
2.51.0.355.g5224444f11-goog

Re: [f2fs-dev] [PATCH] f2fs: merge FUA command with the existing writes

[Chao Yu]

On 9/5/2025 2:16 AM, Jaegeuk Kim via Linux-f2fs-devel wrote:
> FUA writes can be merged to the existing write IOs.
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

Re: [f2fs-dev] [PATCH] f2fs: merge FUA command with the existing writes

[patchwork-bot+f2fs]

Hello:

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

On Thu,  4 Sep 2025 18:16:42 +0000 you wrote:
> FUA writes can be merged to the existing write IOs.
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>  fs/f2fs/data.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Here is the summary with links:
  - [f2fs-dev] f2fs: merge FUA command with the existing writes
    https://git.kernel.org/jaegeuk/f2fs/c/44749759d5e6

You are awesome, thank you!
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