lkml.org 
[lkml]   [2019]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] staging: exfat: add exfat filesystem code to staging
On Fri, Aug 30, 2019 at 12:04:41AM +0800, Gao Xiang wrote:
> Anyway, I'm fine to delete them all if you like, but I think majority of these
> are meaningful.
>
> data.c- /* page is already locked */
> data.c- DBG_BUGON(PageUptodate(page));
> data.c-
> data.c: if (unlikely(err))
> data.c- SetPageError(page);
> data.c- else
> data.c- SetPageUptodate(page);

If we cared about speed here then we would delete the DBG_BUGON() check
because that's going to be expensive. The likely/unlikely annotations
should be used in places a reasonable person thinks it will make a
difference to benchmarks.

regards,
dan carpenter

\
 
 \ /
  Last update: 2019-08-30 10:36    [W:0.131 / U:0.732 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site