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/ntfs/dir.c b/fs/ntfs/dir.c
index 9e38dafa3bc7..b2eff5816adc 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1509,7 +1509,7 @@ static int ntfs_dir_fsync(struct file *filp, loff_t start, loff_t end,
 	err = filemap_write_and_wait_range(vi->i_mapping, start, end);
 	if (err)
 		return err;
-	mutex_lock(&vi->i_mutex);
+	inode_lock(vi);
 
 	BUG_ON(!S_ISDIR(vi->i_mode));
 	/* If the bitmap attribute inode is in memory sync it, too. */
@@ -1532,7 +1532,7 @@ static int ntfs_dir_fsync(struct file *filp, loff_t start, loff_t end,
 	else
 		ntfs_warning(vi->i_sb, "Failed to f%ssync inode 0x%lx.  Error "
 				"%u.", datasync ? "data" : "", vi->i_ino, -ret);
-	mutex_unlock(&vi->i_mutex);
+	inode_unlock(vi);
 	return ret;
 }