diff options
| author | Sagi Grimberg <sagig@mellanox.com> | 2014-12-02 16:57:45 +0200 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-12-12 23:32:32 -0800 |
| commit | 36ea63b523f3f3b57f708f14af848cac100677d5 (patch) | |
| tree | 0b0078eb6547ab90a215dd0eb196c65c09316f46 /drivers/infiniband/ulp/isert/ib_isert.h | |
| parent | 37d9fe80a3afc87a3d9f3d83aa0e6137f9fd7cde (diff) | |
iser-target: Reduce CQ lock contention by batch polling
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>
Diffstat (limited to 'drivers/infiniband/ulp/isert/ib_isert.h')
| -rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index fc1d3232f896..2a0721f1f5df 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -165,6 +165,7 @@ struct isert_conn { * * @device: pointer to device handle * @cq: completion queue + * @wcs: work completion array * @active_qps: Number of active QPs attached * to completion context * @work: completion work handle @@ -172,6 +173,7 @@ struct isert_conn { struct isert_comp { struct isert_device *device; struct ib_cq *cq; + struct ib_wc wcs[16]; int active_qps; struct work_struct work; }; |