iser-target: Reduce CQ lock contention by batch polling
authorSagi Grimberg <sagig@mellanox.com>
Tue, 2 Dec 2014 14:57:45 +0000 (16:57 +0200)
committerNicholas Bellinger <nab@linux-iscsi.org>
Sat, 13 Dec 2014 07:32:32 +0000 (23:32 -0800)
In order to reduce the contention on CQ locking (present
in some LLDDs) we poll in batches of 16 work completion items.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
drivers/infiniband/ulp/isert/ib_isert.c
drivers/infiniband/ulp/isert/ib_isert.h