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iser-target: Ignore completions for FRWRs in isert_cq_tx_work

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This patch changes IB_WR_FAST_REG_MR + IB_WR_LOCAL_INV related
work requests to include a ISER_FRWR_LI_WRID value in order to
signal isert_cq_tx_work() that these requests should be ignored.

This is necessary because even though IB_SEND_SIGNALED is not
set for either work request, during a QP failure event the work
requests will be returned with exception status from the TX
completion queue.

v2 changes:
 - Rename ISER_FRWR_LI_WRID -> ISER_FASTREG_LI_WRID (Sagi)

Acked-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: <stable@vger.kernel.org> #3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger
2014-02-27 07:02:48 -08:00
parent b6b87a1df6
commit 9bb4ca68fc
2 changed files with 7 additions and 2 deletions
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1
drivers/infiniband/ulp/isert/ib_isert.h
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@@ -6,6 +6,7 @@
#define ISERT_RDMA_LISTEN_BACKLOG 10
#define ISCSI_ISER_SG_TABLESIZE 256
#define ISER_FASTREG_LI_WRID 0xffffffffffffffffULL
enum isert_desc_type {
ISCSI_TX_CONTROL,