ceph: use ceph_create_snap_context()

Now that we have a library routine to create snap contexts, use it.

This is part of:
    http://tracker.ceph.com/issues/4857

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index cbb2f54a3019..f01645a27752 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -332,10 +332,9 @@ static int build_snap_context(struct ceph_snap_realm *realm)
         err = -ENOMEM;
         if (num > (SIZE_MAX - sizeof(*snapc)) / sizeof(u64))
                 goto fail;
-        snapc = kzalloc(sizeof(*snapc) + num*sizeof(u64), GFP_NOFS);
+        snapc = ceph_create_snap_context(num, GFP_NOFS);
         if (!snapc)
                 goto fail;
-        atomic_set(&snapc->nref, 1);
 
         /* build (reverse sorted) snap vector */
         num = 0;