| commit | 8ffc457ed6fe33728657a0cfb7509b90d554c21f | |
| author | Kashyap, Desai <kashyap.desai@lsi.com> | |
| Wed, 23 Sep 2009 12:05:41 +0000 (23 17:35 +0530) | ||
| committer | James Bottomley <James.Bottomley@suse.de> | |
| Thu, 29 Oct 2009 17:03:15 +0000 (29 13:03 -0400) | ||
| tree | 322b183b1883079e7114edfb4006a04b33574cda | treesnapshot (tar.gz zip) |
| parent | 463217bfecbf5d17a30133a55553d94aa9fc255e | commitdiff |
[SCSI] mpt2sas: Freeze the sdev IO queue when firmware sends internal dev reset
When receiving the MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET event,
the driver will set the tm_busy flag in the sdev private host data, When
tm_busy flag is set, the driver will return SCSI_MLQUEUE_DEVICE_BUSY,
effectly freezing the IO to the device. The tm_busy flag is cleared with the
MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET event.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
When receiving the MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET event,
the driver will set the tm_busy flag in the sdev private host data, When
tm_busy flag is set, the driver will return SCSI_MLQUEUE_DEVICE_BUSY,
effectly freezing the IO to the device. The tm_busy flag is cleared with the
MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET event.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| drivers/scsi/mpt2sas/mpt2sas_scsih.c | diffblobblamehistory |