ceph: remove ceph_mdsc_lease_release

Nothing calls it.

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

2 files changed, 0 insertions, 45 deletions

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0d4bb24c670a..78a3495a11be 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3292,47 +3292,6 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
 }
 
 /*
- * 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
  */
 static void drop_leases(struct ceph_mds_client *mdsc)
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 2ce8e9f9bfc9..9dd2c82379f8 100644
--- 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);