wrappers for ->i_mutex access

parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/ceph/cache.c b/fs/ceph/cache.c
index a4766ded1ba7..7680e2626815 100644
--- a/fs/ceph/cache.c
+++ b/fs/ceph/cache.c
@@ -197,7 +197,7 @@ void ceph_fscache_register_inode_cookie(struct ceph_fs_client* fsc,
                 return;
 
         /* Avoid multiple racing open requests */
-        mutex_lock(&inode->i_mutex);
+        inode_lock(inode);
 
         if (ci->fscache)
                 goto done;
@@ -207,7 +207,7 @@ void ceph_fscache_register_inode_cookie(struct ceph_fs_client* fsc,
                                              ci, true);
         fscache_check_consistency(ci->fscache);
 done:
-        mutex_unlock(&inode->i_mutex);
+        inode_unlock(inode);
 
 }