On Mon, Aug 23, 2021 at 11:21:38AM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > The struct btrfs_ioctl_vol_args_v2 in /usr/include/linux/btrfs.h on my > system predates the inclusion of the "subvolid" field. This causes the > following build failure: > > idmapped-mounts.c: In function 'btrfs_delete_subvolume_id': > idmapped-mounts.c:9730:6: error: 'struct btrfs_ioctl_vol_args_v2' has no member named 'subvolid' > 9730 | args.subvolid = subvolid; > | ^ > > Since this source file contains its own more uptodate copy of that > structure, add some more autoconf/cpp magic so that we can override the > struct definition if the system header doesn't have the desired field. > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> > --- Looks good! Thank you for taking the time to fix this! Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
