lkml.org 
[lkml]   [2012]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] treewide: fix memory corruptions when TASK_COMM_LEN != 16
On Thu, 23 Feb 2012 10:09:33 +0100 (CET) Jan Engelhardt <jengelh@medozas.de> wrote:

> On Wednesday 2012-02-22 21:58, Andrew Morton wrote:
>
> >On Wed, 22 Feb 2012 13:48:08 +0100 (CET)
> >Jan Engelhardt <jengelh@medozas.de> wrote:
> >
> >> task: provide a larger task command buffer
> >
> ><scratches head>
> >
> >Why are we bothering ourselves about this?
>
> Some prefer to know what's going on in the system. Every other or
> so kernel release there are some new happy kthreads, such as
>
> 24930 ? S 0:00 \_ [btrfs-endio-1]
> 24931 ? S 0:00 \_ [btrfs-endio-met]
> 24932 ? S 0:00 \_ [btrfs-endio-met]
> 24933 ? S 0:00 \_ [btrfs-endio-wri]
> 24934 ? S 0:00 \_ [btrfs-freespace]
>
> at which point one is curious to find out the rest of the met and why
> there are two of them. If expanded one actually sees they are different
> kthreads (rather than just per-cpu instances for a WQ, for example)
>
> $ grep Name /proc/{29431,29432}/stat*
> /proc/29431/status:Name: btrfs-endio-meta-1
> /proc/29432/status:Name: btrfs-endio-meta-write-1
>
> That's all.

doh. The fix for that is to have less clueless btrfs developers.


\
 
 \ /
  Last update: 2012-02-23 10:59    [W:0.043 / U:1.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site