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(parent: 30a6771) | patch
dm: do not allocate any mempools for blk-mq request-based DM
authorMike Snitzer <snitzer@redhat.com>
Mon, 27 Apr 2015 20:37:50 +0000 (16:37 -0400)
committerMike Snitzer <snitzer@redhat.com>
Fri, 29 May 2015 18:18:57 +0000 (14:18 -0400)
commitbb58e37594da68d51d9aa5c270bec989c5d8600e
tree443ef957c07dd59b979057be737f733e5142b2d3tree | snapshot
parent30a6771918d648ae0c80b3b22bda1578b5b19374commit | diff
dm: do not allocate any mempools for blk-mq request-based DM

Do not allocate the io_pool mempool for blk-mq request-based DM
(DM_TYPE_MQ_REQUEST_BASED) in dm_alloc_rq_mempools().

Also refine __bind_mempools() to have more precise awareness of which
mempools each type of DM device uses -- avoids mempool churn when
reloading DM tables (particularly for DM_TYPE_REQUEST_BASED).

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-table.c diff | blob | history
drivers/md/dm.c diff | blob | history
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