[SCSI] avoid taking host_lock in scsi_run_queue unless nessecary

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If we don't have starved devices we don't need to take the host lock
to iterate over them.  Also split the function up to be more clear.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

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Christoph Hellwig 2014-02-20 14:20:54 -08:00 • committed by James Bottomley

parent 44b93b59d5

commit 21a05df547

1 changed files with 24 additions and 19 deletions

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drivers/scsi/scsi_lib.c

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