scsi: hisi_sas: Run I_T nexus resets in parallel for clear nexus reset

Browse source

For a clear nexus reset operation, the I_T nexus resets are executed
serially for each device. For devices attached through an expander, this
may take 2s per device; so, in total, could take a long time.

Reduce the total time by running the I_T nexus resets in parallel through
async operations.

Link: https://lore.kernel.org/r/1623058179-80434-3-git-send-email-john.garry@huawei.com
Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

...

This commit is contained in:

Luo Jiaxing 2021-06-07 17:29:36 +08:00 • committed by Martin K. Petersen

parent 366da0da1f

commit 0f75733991

2 changed files with 18 additions and 6 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

drivers/scsi/hisi_sas/hisi_sas.h

View file

23

drivers/scsi/hisi_sas/hisi_sas_main.c

View file