ceph: remove ceph_lookup_inode()

commit 6f60f889 (ceph: fix freeing inode vs removing session caps race)
introduced ceph_lookup_inode(). But there is already a ceph_find_inode()
which provides similar function. So remove ceph_lookup_inode(), use
ceph_find_inode() instead.
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Reviewed-by: Alex Elder <alex.elder@linary.org>
Reviewed-by: Sage Weil <sage@inktank.com>

fs/ceph/inode.c

@@ -62,14 +62,6 @@ struct inode *ceph_get_inode(struct super_block *sb, struct ceph_vino vino)
 	return inode;
 }
 
-struct inode *ceph_lookup_inode(struct super_block *sb, struct ceph_vino vino)
-{
-	struct inode *inode;
-	ino_t t = ceph_vino_to_ino(vino);
-	inode = ilookup5_nowait(sb, t, ceph_ino_compare, &vino);
-	return inode;
-}
-
 /*
  * get/constuct snapdir inode for a given directory
  */

fs/ceph/mds_client.c

@@ -1054,7 +1054,7 @@ static void remove_session_caps(struct ceph_mds_session *session)
 			vino = cap->ci->i_vino;
 			spin_unlock(&session->s_cap_lock);
 
-			inode = ceph_lookup_inode(sb, vino);
+			inode = ceph_find_inode(sb, vino);
 			iput(inode);
 
 			spin_lock(&session->s_cap_lock);

fs/ceph/super.h

@@ -694,8 +694,6 @@ extern void ceph_destroy_inode(struct inode *inode);
 
 extern struct inode *ceph_get_inode(struct super_block *sb,
 				    struct ceph_vino vino);
-extern struct inode *ceph_lookup_inode(struct super_block *sb,
-				       struct ceph_vino vino);
 extern struct inode *ceph_get_snapdir(struct inode *parent);
 extern int ceph_fill_file_size(struct inode *inode, int issued,
 			       u32 truncate_seq, u64 truncate_size, u64 size);