lkml.org 
[lkml]   [2019]   [Feb]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH AUTOSEL 4.20 42/77] dm: fix clone_bio() to trigger blk_recount_segments()
On Thu, Feb 14 2019 at  9:08pm -0500,
Sasha Levin <sashal@kernel.org> wrote:

> From: Mike Snitzer <snitzer@redhat.com>
>
> [ Upstream commit 57c36519e4b949f89381053f7283f5d605595b42 ]
>
> DM's clone_bio() now benefits from using bio_trim() by fixing the fact
> that clone_bio() wasn't clearing BIO_SEG_VALID like bio_trim() does;
> which triggers blk_recount_segments() via bio_phys_segments().
>
> Reviewed-by: Ming Lei <ming.lei@redhat.com>
> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
> Signed-off-by: Sasha Levin <sashal@kernel.org>

Please no, I later effectively reverted this change with commit
fa8db4948f522 ("dm: don't use bio_trim() afterall")

(As and aside, I really shouldn't have to defend against stable@ bots
picking up a commit, like 57c36519e4b949f, that wasn't marked for
stable@.)

\
 
 \ /
  Last update: 2019-02-15 04:51    [W:0.378 / U:1.380 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site