Hi,
Could you make a patch to add *unlikely* as many as possible across the
whole source files at once?
It is wasteful to add it with a bunch of patches at multiple times.
And please write descriptions for all the patches even if nothing is
special.
In this case, why should we set *unlikely* for checking this condition?
Thanks,
2013-11-28 (목), 15:42 +0800, Chao Yu:
> Signed-off-by: Chao Yu <chao2.yu@xxxxxxxxxxx>
> ---
> fs/f2fs/node.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index 0fe9a97..954155b 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -1160,7 +1160,7 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino)
> struct page *page = pvec.pages[i];
>
> /* until radix tree lookup accepts end_index */
> - if (page->index > end)
> + if (unlikely(page->index > end))
> continue;
>
> if (ino && ino_of_node(page) == ino) {
--
Jaegeuk Kim
Samsung
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