lift sb_start_write() out of ->write()

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

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 747bb2af69dc..cd1e17460f03 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -230,9 +230,11 @@ static int __do_lo_send_write(struct file *file,
         ssize_t bw;
         mm_segment_t old_fs = get_fs();
 
+        file_start_write(file);
         set_fs(get_ds());
         bw = file->f_op->write(file, buf, len, &pos);
         set_fs(old_fs);
+        file_end_write(file);
         if (likely(bw == len))
                 return 0;
         printk(KERN_ERR "loop: Write error at byte offset %llu, length %i.\n",