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| /linux/drivers/infiniband/ulp/srp/ |
| H A D | ib_srp.c | diff 09c0c0bea500a9ad362589990ee316c9b2482f44 Tue Dec 01 19:18:03 CET 2015 Sagi Grimberg <sagig@mellanox.com> IB/srp: Fix possible send queue overflow
When using work request based memory registration (fast_reg)
we must reserve SQ entries for registration and invalidation
in addition to send operations. Each IO consumes 3 SQ entries
(registration, send, invalidation) so we need to allocate 3x
larger send-queue instead of 2x.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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