ceph: ignore preferred_osd field

Old users may not expect EINVAL, and there is no clear user-visibile
behavior change now that we ignore it.

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>

diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index c0b7314..8e3fb69 100644 (file)
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -39,10 +39,6 @@ static long __validate_layout(struct ceph_mds_client *mdsc,
 {
        int i, err;
 
-       /* preferred_osd is no longer supported */
-       if (l->preferred_osd != -1)
-               return -EINVAL;
-
        /* validate striping parameters */
        if ((l->object_size & ~PAGE_MASK) ||
            (l->stripe_unit & ~PAGE_MASK) ||