lkml.org 
[lkml]   [2012]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
On Fri, 8 Jun 2012 23:27:34 +0100
Al Viro <viro@ZenIV.linux.org.uk> wrote:

> On Fri, Jun 08, 2012 at 03:25:50PM -0700, Andrew Morton wrote:
>
> > A neater implementation might be to add a kmem_cache* argument to
> > unregister_filesystem(). If that is non-NULL, unregister_filesystem()
> > does the rcu_barrier() and destroys the cache. That way we get to
> > delete (rather than add) a bunch of code from all filesystems and new
> > and out-of-tree filesystems cannot forget to perform the rcu_barrier().
>
> There's often enough more than one cache, so that one is no-go.

kmem_cache** ;)

Which filesystems have multiple inode caches?


\
 
 \ /
  Last update: 2012-06-09 01:41    [W:0.090 / U:0.732 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site