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linux/drivers/scsi/device_handler
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Hannes Reinecke 1030d01acc scsi_dh_rdac: always retry MODE SELECT on command lock violation 
commit d2d06d4fe0 upstream.

If MODE SELECT returns with sense '05/91/36' (command lock violation)
it should always be retried without counting the number of retries.
During an HBA upgrade or similar circumstances one might see a flood
of MODE SELECT command from various HBAs, which will easily trigger
the sense code and exceed the retry count.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
History 2016-02-25 10:34:38 +00:00
..
Kconfig drivers/scsi/device_handler: remove depends on CONFIG_EXPERIMENTAL 2013-01-21 14:52:45 -08:00
Makefile [SCSI] scsi_dh: add generic SPC-3 alua handler 2008-07-26 15:14:52 -04:00
scsi_dh.c [SCSI] scsi_dh: add scsi_dh_attached_handler_name 2012-07-20 08:58:42 +01:00
scsi_dh_alua.c block: add blk_rq_set_block_pc() 2014-06-06 07:57:37 -06:00
scsi_dh_emc.c block: add blk_rq_set_block_pc() 2014-06-06 07:57:37 -06:00
scsi_dh_hp_sw.c block: add blk_rq_set_block_pc() 2014-06-06 07:57:37 -06:00
scsi_dh_rdac.c scsi_dh_rdac: always retry MODE SELECT on command lock violation 2016-02-25 10:34:38 +00:00