ceph: use kref for struct ceph_mds_request
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 9faa1b2..41af5ca 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -2,6 +2,7 @@
#define _FS_CEPH_MDS_CLIENT_H
#include <linux/completion.h>
+#include <linux/kref.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/radix-tree.h>
@@ -203,7 +204,7 @@
int r_num_stale;
int r_resend_mds; /* mds to resend to next, if any*/
- atomic_t r_ref;
+ struct kref r_kref;
struct list_head r_wait;
struct completion r_completion;
struct completion r_safe_completion;
@@ -306,9 +307,13 @@
struct ceph_mds_request *req);
static inline void ceph_mdsc_get_request(struct ceph_mds_request *req)
{
- atomic_inc(&req->r_ref);
+ kref_get(&req->r_kref);
}
-extern void ceph_mdsc_put_request(struct ceph_mds_request *req);
+extern void ceph_mdsc_release_request(struct kref *kref);
+static inline void ceph_mdsc_put_request(struct ceph_mds_request *req)
+{
+ kref_put(&req->r_kref, ceph_mdsc_release_request);
+}
extern void ceph_mdsc_pre_umount(struct ceph_mds_client *mdsc);