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/open.c b/fs/open.c
index 22c41b543f2d..4ef8d868a448 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -608,7 +608,7 @@ SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
         dentry = file->f_path.dentry;
         audit_inode(NULL, dentry);
         error = chown_common(&file->f_path, user, group);
-        mnt_drop_write(file->f_path.mnt);
+        mnt_drop_write_file(file);
 out_fput:
         fput(file);
 out: