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| author | Bart Van Assche <bvanassche@acm.org> | 2019-01-25 19:34:51 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-02-05 03:32:01 +0100 |
| commit | 40ca8757291ca7a8775498112d320205b2a2e571 (patch) | |
| tree | f1440b589862242208a77154958c65324b0aa923 /drivers/infiniband/ulp/srpt | |
| parent | scsi: RDMA/srpt: Rework I/O context allocation (diff) | |
| download | linux-40ca8757291ca7a8775498112d320205b2a2e571.tar.xz linux-40ca8757291ca7a8775498112d320205b2a2e571.zip | |
scsi: RDMA/srpt: Fix a credit leak for aborted commands
Make sure that the next time a response is sent to the initiator that the
credit it had allocated for the aborted request gets freed.
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Fixes: 131e6abc674e ("target: Add TFO->abort_task for aborted task resources release") # v3.15
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/infiniband/ulp/srpt')
| -rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index d426e01905f9..1a039f16d315 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2870,8 +2870,19 @@ static void srpt_queue_tm_rsp(struct se_cmd *cmd) srpt_queue_response(cmd); } +/* + * This function is called for aborted commands if no response is sent to the + * initiator. Make sure that the credits freed by aborting a command are + * returned to the initiator the next time a response is sent by incrementing + * ch->req_lim_delta. + */ static void srpt_aborted_task(struct se_cmd *cmd) { + struct srpt_send_ioctx *ioctx = container_of(cmd, + struct srpt_send_ioctx, cmd); + struct srpt_rdma_ch *ch = ioctx->ch; + + atomic_inc(&ch->req_lim_delta); } static int srpt_queue_status(struct se_cmd *cmd) |