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| author | Sage Weil <sage@newdream.net> | 2009-12-07 21:31:09 +0100 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2009-12-07 21:31:09 +0100 |
| commit | 153c8e6bf7ffee561e046e60b26ef6486c6fc9f2 (patch) | |
| tree | 7af83c22a7599e011b7802e732fcc6a090fed65e /fs/ceph/mds_client.h | |
| parent | ceph: simplify ceph_buffer interface (diff) | |
| download | linux-153c8e6bf7ffee561e046e60b26ef6486c6fc9f2.tar.xz linux-153c8e6bf7ffee561e046e60b26ef6486c6fc9f2.zip | |
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.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index 9faa1b2f79a7..41af5ca316e6 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); |