ceph: remove ceph_mdsc_lease_release

Nothing calls it.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Yan, Zheng <zyan@redhat.com>

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0d4bb24..78a3495 100644 (file)
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3291,47 +3291,6 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
        ceph_con_send(&session->s_con, msg);
 }
 
-/*
- * Preemptively release a lease we expect to invalidate anyway.
- * Pass @inode always, @dentry is optional.
- */
-void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc, struct inode *inode,
-                            struct dentry *dentry)
-{
-       struct ceph_dentry_info *di;
-       struct ceph_mds_session *session;
-       u32 seq;
-
-       BUG_ON(inode == NULL);
-       BUG_ON(dentry == NULL);
-
-       /* is dentry lease valid? */
-       spin_lock(&dentry->d_lock);
-       di = ceph_dentry(dentry);
-       if (!di || !di->lease_session ||
-           di->lease_session->s_mds < 0 ||
-           di->lease_gen != di->lease_session->s_cap_gen ||
-           !time_before(jiffies, di->time)) {
-               dout("lease_release inode %p dentry %p -- "
-                    "no lease\n",
-                    inode, dentry);
-               spin_unlock(&dentry->d_lock);
-               return;
-       }
-
-       /* we do have a lease on this dentry; note mds and seq */
-       session = ceph_get_mds_session(di->lease_session);
-       seq = di->lease_seq;
-       __ceph_mdsc_drop_dentry_lease(dentry);
-       spin_unlock(&dentry->d_lock);
-
-       dout("lease_release inode %p dentry %p to mds%d\n",
-            inode, dentry, session->s_mds);
-       ceph_mdsc_lease_send_msg(session, inode, dentry,
-                                CEPH_MDS_LEASE_RELEASE, seq);
-       ceph_put_mds_session(session);
-}
-
 /*
  * drop all leases (and dentry refs) in preparation for umount
  */

diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 2ce8e9f..9dd2c82 100644 (file)
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -385,10 +385,6 @@ extern void ceph_mdsc_destroy(struct ceph_fs_client *fsc);
 
 extern void ceph_mdsc_sync(struct ceph_mds_client *mdsc);
 
-extern void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc,
-                                   struct inode *inode,
-                                   struct dentry *dn);
-
 extern void ceph_invalidate_dir_request(struct ceph_mds_request *req);
 extern int ceph_alloc_readdir_reply_buffer(struct ceph_mds_request *req,
                                           struct inode *dir);