ceph: don't open-code the check for dead lockref

Al Viro · Al Viro · commit 516162b92d1b · 2019-07-04T18:58:23.000-04:00
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
@@ -1255,7 +1255,7 @@ __dentry_leases_walk(struct ceph_mds_client *mdsc,
 		if (!spin_trylock(&dentry->d_lock))
 			continue;
 
-		if (dentry->d_lockref.count < 0) {
+		if (__lockref_is_dead(&dentry->d_lockref)) {
 			list_del_init(&di->lease_list);
 			goto next;
 		}

Original file line number	Diff line number	Diff line change
`@@ -1255,7 +1255,7 @@ __dentry_leases_walk(struct ceph_mds_client *mdsc,`
`1255`	`1255`	`if (!spin_trylock(&dentry->d_lock))`
`1256`	`1256`	`continue;`
`1257`	`1257`
`1258`		`- if (dentry->d_lockref.count < 0) {`
	`1258`	`+ if (__lockref_is_dead(&dentry->d_lockref)) {`
`1259`	`1259`	`list_del_init(&di->lease_list);`
`1260`	`1260`	`goto next;`
`1261`	`1261`	`}`