switch a bunch of places to mnt_want_write_file()

it's both faster (in case when file has been opened for write) and cleaner.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/fat/file.c b/fs/fat/file.c
index c118acf16e43..50746a1a0789 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -44,7 +44,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
                 goto out;
 
         mutex_lock(&inode->i_mutex);
-        err = mnt_want_write(file->f_path.mnt);
+        err = mnt_want_write_file(file);
         if (err)
                 goto out_unlock_inode;