IB/srp: Use the IB_DEVICE_SG_GAPS_REG HCA feature if supported

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If a HCA supports the SG_GAPS_REG feature then fewer memory regions
are required per command. This patch reduces the number of memory
regions that is allocated per SRP session.

Signed-off-by: Sergey Gorenko <sergeygo@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Acked-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Sergey Gorenko 2018-03-05 20:15:56 +02:00 • committed by Jason Gunthorpe

parent 4190443947

commit fbd36818ee

1 changed files with 36 additions and 20 deletions

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drivers/infiniband/ulp/srp/ib_srp.c

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