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| author | Kashyap, Desai <kashyap.desai@lsi.com> | 2009-09-23 17:35:41 +0530 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-10-29 13:03:15 -0400 |
| commit | 8ffc457ed6fe33728657a0cfb7509b90d554c21f (patch) | |
| tree | 322b183b1883079e7114edfb4006a04b33574cda /tools/perf | |
| parent | 463217bfecbf5d17a30133a55553d94aa9fc255e (diff) | |
| download | linux-3.10-8ffc457ed6fe33728657a0cfb7509b90d554c21f.tar.gz linux-3.10-8ffc457ed6fe33728657a0cfb7509b90d554c21f.tar.bz2 linux-3.10-8ffc457ed6fe33728657a0cfb7509b90d554c21f.zip | |
[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>
Diffstat (limited to 'tools/perf')
0 files changed, 0 insertions, 0 deletions