tree 88309ac99a39e15b9b23525a00a15b1564957b32
parent ac36552a52a6ec8563ac0a109e2a0935673f4abb
author Jens Axboe <jens.axboe@oracle.com> 1242802471 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1242802471 +0200

block: change the tag sync vs async restriction logic

Make them fully share the tag space, but disallow async requests using
the last any two slots.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>