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authorSage Weil <sage@newdream.net>2009-12-07 12:31:09 -0800
committerSage Weil <sage@newdream.net>2009-12-07 12:31:09 -0800
commit153c8e6bf7ffee561e046e60b26ef6486c6fc9f2 (patch)
tree7af83c22a7599e011b7802e732fcc6a090fed65e /fs/ceph/mds_client.h
parentb6c1d5b81ea0841ae9d3ce2cda319ab986b081cf (diff)
downloadop-kernel-dev-153c8e6bf7ffee561e046e60b26ef6486c6fc9f2.zip
op-kernel-dev-153c8e6bf7ffee561e046e60b26ef6486c6fc9f2.tar.gz
ceph: use kref for struct ceph_mds_request
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/mds_client.h')
-rw-r--r--fs/ceph/mds_client.h11
1 files changed, 8 insertions, 3 deletions
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 @@ struct ceph_mds_request {
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 @@ extern int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
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_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_put_request(struct ceph_mds_request *req);
extern void ceph_mdsc_pre_umount(struct ceph_mds_client *mdsc);
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