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/kernfs/dir.c b/fs/kernfs/dir.c
index 821973853340..996b7742c90b 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -1511,9 +1511,9 @@ static loff_t kernfs_dir_fop_llseek(struct file *file, loff_t offset,
         struct inode *inode = file_inode(file);
         loff_t ret;
 
-        mutex_lock(&inode->i_mutex);
+        inode_lock(inode);
         ret = generic_file_llseek(file, offset, whence);
-        mutex_unlock(&inode->i_mutex);
+        inode_unlock(inode);
 
         return ret;
 }