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authorHannes Reinecke <hare@suse.de>2016-08-22 10:54:11 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2016-10-21 01:19:44 -0700
commit1ba0158fa66b5b2c597a748f87be1650c9960ccc (patch)
tree4ab5c556a6f8025eadacef59cb48c03c123e93e7
parent8962a4d29bcb3d12164c02d207c8ff1ab8b04558 (diff)
downloadop-kernel-dev-1ba0158fa66b5b2c597a748f87be1650c9960ccc.zip
op-kernel-dev-1ba0158fa66b5b2c597a748f87be1650c9960ccc.tar.gz
target/tcm_fc: use CPU affinity for responses
The libfc stack assigns exchange IDs based on the CPU the request was received on, so we need to send the responses via the same CPU. Otherwise the send logic gets confuses and responses will be delayed, causing exchange timeouts on the initiator side. Signed-off-by: Hannes Reinecke <hare@suse.com> Cc: stable@vger.kernel.org # 4.5+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
-rw-r--r--drivers/target/tcm_fc/tfc_cmd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 36f0864..ff5de9a 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -572,7 +572,7 @@ static void ft_send_work(struct work_struct *work)
if (target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, fcp->fc_cdb,
&cmd->ft_sense_buffer[0], scsilun_to_int(&fcp->fc_lun),
ntohl(fcp->fc_dl), task_attr, data_dir,
- TARGET_SCF_ACK_KREF))
+ TARGET_SCF_ACK_KREF | TARGET_SCF_USE_CPUID))
goto err;
pr_debug("r_ctl %x target_submit_cmd %p\n", fh->fh_r_ctl, cmd);
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