--- drivers/block/loop.c

+++ drivers/block/loop.c

@@ -238,6 +238,8 @@ static int do_lo_send_aops(struct loop_d

if (ret)

goto fail;

+ file_update_time(file);

+

transfer_result = lo_do_transfer(lo, WRITE, page, offset,

bvec->bv_page, bv_offs, size, IV);

copied = size;