vfs: mnt_drop_write_file()

new helper (wrapper around mnt_drop_write()) to be used in pair with
mnt_want_write_file().

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

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/inode.c b/fs/inode.c
index ee4e66b998f4..4fda5ee85518 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1508,7 +1508,7 @@ void file_update_time(struct file *file)
         if (sync_it & S_MTIME)
                 inode->i_mtime = now;
         mark_inode_dirty_sync(inode);
-        mnt_drop_write(file->f_path.mnt);
+        mnt_drop_write_file(file);
 }
 EXPORT_SYMBOL(file_update_time);