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authorBart Van Assche <bvanassche@acm.org>2018-11-27 15:51:59 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2018-12-07 21:20:07 -0500
commitdb5b21a24e01d35495014076700efa02d6dcbb68 (patch)
tree4f292075ebba7d5f4e1ed85f692ec608809a1de5 /include/target
parentad669505c4e9db9af9faeb5c51aa399326a80d91 (diff)
scsi: target/core: Use system workqueues for TMF
A quote from SAM-5: "The order in which task management requests are processed is not specified by the SCSI architecture model. The SCSI architecture model does not require in-order delivery of such task management requests or processing by the task manager in the order received. To guarantee the processing order of task management requests referencing sent to a specific logical unit, an application client should not have more than one such task management request pending to that logical unit." This means that it is safe to use the system workqueues instead of tmr_wq for processing TMFs. An intended side effect of this patch is that it enables concurrent processing of TMFs. Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Cc: Mike Christie <mchristi@redhat.com> Cc: David Disseldorp <ddiss@suse.de> Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/target')
-rw-r--r--include/target/target_core_base.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 6e34ec4df6b7..9d827e49fcc6 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -796,7 +796,6 @@ struct se_device {
struct t10_pr_registration *dev_pr_res_holder;
struct list_head dev_sep_list;
struct list_head dev_tmr_list;
- struct workqueue_struct *tmr_wq;
struct work_struct qf_work_queue;
struct list_head delayed_cmd_list;
struct list_head state_list;