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/ubifs/ioctl.c b/fs/ubifs/ioctl.c
index e52c84598feb..1a7e2d8bdbe9 100644
--- a/fs/ubifs/ioctl.c
+++ b/fs/ubifs/ioctl.c
@@ -178,7 +178,7 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                         return err;
                 dbg_gen("set flags: %#x, i_flags %#x", flags, inode->i_flags);
                 err = setflags(inode, flags);
-                mnt_drop_write(file->f_path.mnt);
+                mnt_drop_write_file(file);
                 return err;
         }