diff options
| -rw-r--r-- | fs/ceph/mds_client.c | 69 | ||||
| -rw-r--r-- | fs/ceph/mds_client.h | 11 |
2 files changed, 42 insertions, 38 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 7da836909abb..739093f281d0 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -400,41 +400,40 @@ static void put_request_session(struct ceph_mds_request *req) } } -void ceph_mdsc_put_request(struct ceph_mds_request *req) -{ - dout("mdsc put_request %p %d -> %d\n", req, - atomic_read(&req->r_ref), atomic_read(&req->r_ref)-1); - if (atomic_dec_and_test(&req->r_ref)) { - if (req->r_request) - ceph_msg_put(req->r_request); - if (req->r_reply) { - ceph_msg_put(req->r_reply); - destroy_reply_info(&req->r_reply_info); - } - if (req->r_inode) { - ceph_put_cap_refs(ceph_inode(req->r_inode), - CEPH_CAP_PIN); - iput(req->r_inode); - } - if (req->r_locked_dir) - ceph_put_cap_refs(ceph_inode(req->r_locked_dir), - CEPH_CAP_PIN); - if (req->r_target_inode) - iput(req->r_target_inode); - if (req->r_dentry) - dput(req->r_dentry); - if (req->r_old_dentry) { - ceph_put_cap_refs( - ceph_inode(req->r_old_dentry->d_parent->d_inode), - CEPH_CAP_PIN); - dput(req->r_old_dentry); - } - kfree(req->r_path1); - kfree(req->r_path2); - put_request_session(req); - ceph_unreserve_caps(&req->r_caps_reservation); - kfree(req); +void ceph_mdsc_release_request(struct kref *kref) +{ + struct ceph_mds_request *req = container_of(kref, + struct ceph_mds_request, + r_kref); + if (req->r_request) + ceph_msg_put(req->r_request); + if (req->r_reply) { + ceph_msg_put(req->r_reply); + destroy_reply_info(&req->r_reply_info); + } + if (req->r_inode) { + ceph_put_cap_refs(ceph_inode(req->r_inode), + CEPH_CAP_PIN); + iput(req->r_inode); + } + if (req->r_locked_dir) + ceph_put_cap_refs(ceph_inode(req->r_locked_dir), + CEPH_CAP_PIN); + if (req->r_target_inode) + iput(req->r_target_inode); + if (req->r_dentry) + dput(req->r_dentry); + if (req->r_old_dentry) { + ceph_put_cap_refs( + ceph_inode(req->r_old_dentry->d_parent->d_inode), + CEPH_CAP_PIN); + dput(req->r_old_dentry); } + kfree(req->r_path1); + kfree(req->r_path2); + put_request_session(req); + ceph_unreserve_caps(&req->r_caps_reservation); + kfree(req); } /* @@ -1097,7 +1096,7 @@ ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode) req->r_resend_mds = -1; INIT_LIST_HEAD(&req->r_unsafe_dir_item); req->r_fmode = -1; - atomic_set(&req->r_ref, 1); /* one for request_tree, one for caller */ + kref_init(&req->r_kref); INIT_LIST_HEAD(&req->r_wait); init_completion(&req->r_completion); init_completion(&req->r_safe_completion); 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); |