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authorChristoph Hellwig <hch@lst.de>2014-11-24 15:36:19 +0100
committerChristoph Hellwig <hch@lst.de>2014-12-04 09:55:46 +0100
commitb70870c38ede2bb5b0a738f2f69de145a1931a00 (patch)
treeabab1e4813644f240a46618a3e6af99627da9f11 /include/scsi
parentefc3c1df5fda0aee84f53c226d55804e6dbede4f (diff)
scsi: never drop to untagged mode during queue ramp down
Dropping to untagged mode when ramping down a queue due to QUEUE FULL events has two problems: - nothing in the midlayer or drivers ever moves back to tagged mode during queue ramp up. - cmd_per_lun isn't the untagged queue depth for many modern drivers that can handle multiple untagged commands, and this is the only place in the midlayer assuming that. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com Reviewed-by: Hannes Reinecke <hare@suse.de>
Diffstat (limited to 'include/scsi')
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