locks: break delegations on any attribute modification

NFSv4 uses leases to guarantee that clients can cache metadata as well
as data.

Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: David Howells <dhowells@redhat.com>
Cc: Tyler Hicks <tyhicks@canonical.com>
Cc: Dustin Kirkland <dustin.kirkland@gazzang.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c
index 43eb5592cdea..5088a418ac4d 100644
--- a/fs/cachefiles/interface.c
+++ b/fs/cachefiles/interface.c
@@ -449,14 +449,14 @@ static int cachefiles_attr_changed(struct fscache_object *_object)
                 _debug("discard tail %llx", oi_size);
                 newattrs.ia_valid = ATTR_SIZE;
                 newattrs.ia_size = oi_size & PAGE_MASK;
-                ret = notify_change(object->backer, &newattrs);
+                ret = notify_change(object->backer, &newattrs, NULL);
                 if (ret < 0)
                         goto truncate_failed;
         }
 
         newattrs.ia_valid = ATTR_SIZE;
         newattrs.ia_size = ni_size;
-        ret = notify_change(object->backer, &newattrs);
+        ret = notify_change(object->backer, &newattrs, NULL);
 
 truncate_failed:
         mutex_unlock(&object->backer->d_inode->i_mutex);