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SubjectRE: [f2fs-dev] [PATCH 08/11] f2fs: fix wrong condition for unlikely
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Hi Jaegeuk,

> -----Original Message-----
> From: Jaegeuk Kim [mailto:jaegeuk@kernel.org]
> Sent: Saturday, July 26, 2014 6:47 AM
> To: linux-kernel@vger.kernel.org; linux-fsdevel@vger.kernel.org;
> linux-f2fs-devel@lists.sourceforge.net
> Cc: Jaegeuk Kim
> Subject: [f2fs-dev] [PATCH 08/11] f2fs: fix wrong condition for unlikely
>
> This patch fixes the wrongly used unlikely condition.
>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
> fs/f2fs/checkpoint.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
> index 42a16c1..36b0d47 100644
> --- a/fs/f2fs/checkpoint.c
> +++ b/fs/f2fs/checkpoint.c
> @@ -932,7 +932,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
> /* Here, we only have one bio having CP pack */
> sync_meta_pages(sbi, META_FLUSH, LONG_MAX);
>
> - if (unlikely(!is_set_ckpt_flags(ckpt, CP_ERROR_FLAG))) {
> + if (!is_set_ckpt_flags(ckpt, CP_ERROR_FLAG)) {

Maybe use likely(!is_set_ckpt_flags(ckpt, CP_ERROR_FLAG)) or

if (unlikely(is_set_ckpt_flags(ckpt, CP_ERROR_FLAG)))
return;

is more appropriate. How do you think?

> clear_prefree_segments(sbi);
> release_dirty_inode(sbi);
> F2FS_RESET_SB_DIRT(sbi);
> --
> 1.8.5.2 (Apple Git-48)
>
>
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