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scsi: libsas: Resume host while sending SMP I/Os
authorXiang Chen <chenxiang66@hisilicon.com>
Mon, 20 Dec 2021 11:21:32 +0000 (19:21 +0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 23 Dec 2021 04:38:30 +0000 (23:38 -0500)
commit0da7ca4c4fd95d70d473dc07488ad94ba3ee9b82
treedc5c4934f10cadb7378de2be29267582001448d0
parent97f4100939844a6381ba61b99d6d2b1f2fccb79f
scsi: libsas: Resume host while sending SMP I/Os

When sending SMP I/Os to the host we need to ensure that the host is not
suspended and can process the commands. This is a better approach than
replying on the host to resume itself to handle such commands. Use
pm_runtime_get_sync() and pm_runtime_put_sync() calls for the host when
executing SMP I/Os.

Link: https://lore.kernel.org/r/1639999298-244569-10-git-send-email-chenxiang66@hisilicon.com
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/libsas/sas_expander.c
drivers/scsi/libsas/sas_internal.h