lkml.org 
[lkml]   [2010]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 0/2] Fix up the NFS mmap code


On Sat, 9 Jan 2010, Al Viro wrote:
>
> readdir() is certainly a red herring.

That's the one that lockdep reports, though. I still don't see why. Afaik,
the only place where NFS gets an inode is nfs_fhget(), and that seems to
do things correctly.

> write(), OTOH, is quite real. And there we do i_mutex followed by
> pagefaults.

Ho humm..

> Could we please get a sane expalanation of the reasons why nfs mmap
> wants i_mutex in the first place? Before we add yet another hook
> from hell and complicate already overcomplicated area...

Yeah, agreed.

Linus


\
 
 \ /
  Last update: 2010-01-09 03:01    [W:0.087 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site