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authorBart Van Assche <bvanassche@acm.org>2019-10-01 02:17:04 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-10-04 21:35:07 +0300
commit6eaed91c673ad5baa0af8a05dc756f3a457468f3 (patch)
tree03f286eb04539cb46f8a8a0627870574972b0e7c /drivers/infiniband/ulp/srpt/ib_srpt.h
parentb5948cfddecd3af0faeddba9c77f22015959df89 (diff)
downloadlinux-6eaed91c673ad5baa0af8a05dc756f3a457468f3.tar.xz
RDMA/srpt: Rework the approach for closing an RDMA channel
Instead of relying on a waitqueue, report when the identity of an RDMA channel can be reused through a completion. Link: https://lore.kernel.org/r/20190930231707.48259-13-bvanassche@acm.org Cc: Honggang LI <honli@redhat.com> Cc: Laurence Oberman <loberman@redhat.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/ulp/srpt/ib_srpt.h')
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h
index ee9f20e9177a..d0955bc0343d 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.h
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.h
@@ -264,6 +264,8 @@ enum rdma_ch_state {
* @zw_cqe: Zero-length write CQE.
* @rcu: RCU head.
* @kref: kref for this channel.
+ * @closed: Completion object that will be signaled as soon as a new
+ * channel object with the same identity can be created.
* @rq_size: IB receive queue size.
* @max_rsp_size: Maximum size of an RSP response message in bytes.
* @sq_wr_avail: number of work requests available in the send queue.
@@ -306,6 +308,7 @@ struct srpt_rdma_ch {
struct ib_cqe zw_cqe;
struct rcu_head rcu;
struct kref kref;
+ struct completion *closed;
int rq_size;
u32 max_rsp_size;
atomic_t sq_wr_avail;