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ceph: use kref for struct ceph_mds_request

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Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil
2009-12-07 12:31:09 -08:00
parent b6c1d5b81e
commit 153c8e6bf7
2 changed files with 41 additions and 37 deletions
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11
fs/ceph/mds_client.h
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@@ -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);