Jeff Schroeder wrote:
quoted text
> adding the ubuntu kernel team. BenC or TimG, do you have any
> suggestions for Chris?
> 
> On Thu, May 1, 2008 at 9:26 AM, Chris Mason <chris.mason@oracle.com> wrote:
>> On Thursday 01 May 2008, Jeff Schroeder wrote:
>>  > On Thu, May 1, 2008 at 9:04 AM, Chris Mason <chris.mason@oracle.com> wrote:
>>  > > On Tuesday 29 April 2008, Chris Mason wrote:
>>  > >  > Hello everyone,
>>  > >  >
>>  > >  > Btrfs v0.14 is now available for download.  Please note the disk
>>  > >  > format has changed, and it is not compatible with older versions of
>>  > >  > Btrfs.
>>  > >  >
>>  > >  > For downloads and documention, please see the Btrfs project page:
>>  > >  >
>>  > >  > http://btrfs.wiki.kernel.org
>>  > >
>>  > >  Hello everyone,
>>  > >
>>  > >  I've rolled up some fixes for older kernels and fixed an uninitialized
>>  > >  variables in btrfs-progs that could cause an oops on mount.  I'll wait a
>>  > > few days to see if other bug reports come in and cut a 0.15 with any
>>  > > other critical fixes.
>>  >
>>  > Well it oopses on writes everytime in Ubuntu 8.04 (Hardy). I'd planned
>>  > on digging into
>>  > it more before spending a bug report, but will send it tonight after
>>  > getting to the affected
>>  > machine.
>>
>>  This is because ubuntu kernels ship with apparmor, you'll need this patch:
>>
>>  If there is a #ifdef IM_A_UBUNTU_KERNEL I can use, I'll do it.  Jeff Mahoney
>>  has a similar patch for SUSE that I've been meaning to merge, but I wanted to
>>  lookup some way to check for ubuntu as well.
>>
>>  -chris
>>
>>  diff -r e7da2489b19b file.c
>>  --- a/file.c    Wed Apr 30 13:59:35 2008 -0400
>>  +++ b/file.c    Thu May 01 12:25:11 2008 -0400
>>  @@ -852,7 +852,7 @@ static ssize_t btrfs_file_write(struct f
>>                 goto out_nolock;
>>         if (count == 0)
>>                 goto out_nolock;
>>  -       err = remove_suid(fdentry(file));
>>  +       err = remove_suid(&file->f_path);
>>         if (err)
>>                 goto out_nolock;
>>         file_update_time(file);
>>
> 
> 
> 

Couldn't you #ifdef based on CONFIG_SECURITY_APPARMOR ? This ought to
work for Hardy. However the next development kernel (Intrepid) does not
have the APPARMOR patches, so just knowing that its an UBUNTU kernel is
not specific enough.

rtg
-- 
Tim Gardner tim.gardner@ubuntu.com
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