Re: udev loops eating 100 % CPU [mmotm 2010-05-21-16-05]

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On Tue, May 25, 2010 at 08:22:12AM -0400, Eric Paris wrote:
> On Tue, 2010-05-25 at 14:12 +0200, Jiri Slaby wrote:
> 
> thanks for the report, it's a known problem:
> 
> http://lkml.org/lkml/2010/5/22/150
> 
> Not sure yet how we are going to fix it.  You can either just revert or
> you could run this patch which I am using on my box.  Not sure which Al
> is going to want to do......
> 
> commit 6e066d6c0c70e2032b5fd2b5c6375e66a0f547f9
> Author: Eric Paris <eparis@xxxxxxxxxx>
> Date:   Tue May 25 07:55:46 2010 -0400
> 
>     anon_inode/ioctl: push FIONREAD for anon_inode to the file handler
>     
>     FIONREAD for all S_IFREG files is handled by file_ioctl but the
>     anon_inode_inode is a magic special beast since the inode is shared between
>     lots of users.  Thus ioctl calls on anon_inode_inode needs to go through
>     vfs_inode() instead of trying to shortcut some calls through file_ioctl().
>     
>     Signed-off-by: Eric Paris <eparis@xxxxxxxxxx>

This one is defintively far too disgusting.

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