[PATCH v2 2/3] xfs_quota: changes to accomodate hoisted ioctl defs
Bill O'Donnell
billodo at redhat.com
Mon Aug 22 08:16:49 CDT 2016
On Mon, Aug 22, 2016 at 11:18:12AM +1000, Dave Chinner wrote:
> On Tue, Aug 16, 2016 at 09:16:37AM -0500, Bill O'Donnell wrote:
> > The kernel commit to make the ioctl promotion (334e580a6f) moved
> > the definitions for the XFS ioctl to uapi/linux/fs.h for the
> > following reason:
> >
> > Hoist the ioctl definitions for the XFS_IOC_FS[SG]SETXATTR API
> > from fs/xfs/libxfs/xfs_fs.h to include/uapi/linux/fs.h so that
> > the ioctls can be used by all filesystems, not just XFS. This
> > enables (initially) ext4 to use the ioctl to set project IDs on
> > inodes.
> >
> > This means we now need to handle this change in userspace as the
> > uapi/linux/fs.h file may not contain the definitions (i.e. new
> > xfsprogs/ old linux uapi files) xfsprogs needs to build. Hence we
> > need to massage the definition in xfs_fs.h to take the values from
> > the system header if it exists, otherwise keep the old definitions
> > for compatibility and platforms other than linux..
> >
> > This patch was originally submitted by Dave Chinner
> > (http://oss.sgi.com/archives/xfs/2016-02/msg00108.html)
> >
> > Resubmitting with changes to accomodate upstream changes since
> > initial submission.
>
> This is unnecessary - the "include local version" changes were made
> to the platform headers (e.g. include/linux.h) in commit 83f4b5a
> ("xfs_fs.h: XFS_IOC_FS[SG]SETXATTR to FS_IOC_FS[SG]ETXATTR
> promotion").
Sorry, I missed that. I'll remove this patch on v3.
Thanks-
Bill
>
> Cheers,
>
> Dave.
> --
> Dave Chinner
> david at fromorbit.com
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