commit | 2a7d5559b346574057dce4672d1ed9aaa9d1e685 | [log] [tgz] |
---|---|---|
author | Shaohua Li <shli@kernel.org> | Tue Jul 31 09:08:15 2012 +0200 |
committer | Jens Axboe <axboe@kernel.dk> | Tue Jul 31 09:08:15 2012 +0200 |
tree | 55d611455d1ca07ed03b35a114350801c7865022 | |
parent | 9cbb17508808f8a6bdd83354b61e126ac4fa6fed [diff] |
block: stack unplug MD raid1 prepares to dispatch request in unplug callback. If make_request in low level queue also uses unplug callback to dispatch request, the low level queue's unplug callback will not be called. Recheck the callback list helps this case. Signed-off-by: Shaohua Li <shli@fusionio.com> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>