Re: [PATCH, RFC] xfs: batched discard support

[Mark Lord <liml@xxxxxx>]

Mark Lord wrote:
> Christoph Hellwig wrote:
> > On Sat, Aug 15, 2009 at 10:19:21PM -0400, Mark Lord wrote:
> > > Mark Lord wrote:
> > > > Christoph Hellwig wrote:
> > > ..
> > > > > Mark, any chance to try it?  Just create an XFS filesystem, age it a
> > > > > bit and then call the attached little trim.c program on the mountmoint
> > > > > (or any file inside the filesystem for that matter)
> > > > ..
> > > >
> > > > Looking at it now.  Thanks, Christoph!
> > > ..
> > >
> > > Fails to work on 64-bit kernel w/ 32-bit userspace (no compat ioctl).
> > > Rebuilding with 32-bit kernel now..
> > The actual ioctl is compatible, just add the
> >
> >     case XFS_IOC_TRIM:
> >         return xfs_ioc_trim(mp, arg);
> >
> > to xfs_file_compat_ioctl().  I'll add this to the next spin of the patch.
> ..
>
> Peachy.  Rebuilding again now..
>
> Don't wait up for this .. I'll finish it on Sunday.  Bedtime.  :)
..

Mmm.. doesn't work on stock 2.6.31-rc6.
It must also require Matthew's patches for discard/trim support.

Later.