tree ac5aab0bf6211f1dc878872db5ec73f9b99bda5b
parent 72ef799b3f14f4cb4c56ba3af6e6bdcbae6df368
author Damien Le Moal <damien.lemoal@hgst.com> 1469072447 -0600
committer Jens Axboe <axboe@fb.com> 1469072447 -0600

block: Fix front merge check

For a front merge, the maximum number of sectors of the
request must be checked against the front merge BIO sector,
not the current sector of the request.

Signed-off-by: Damien Le Moal <damien.lemoal@hgst.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>