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Merge branch 'async-scsi-resume' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci

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Pull async SCSI resume support from Dan Williams:
 "Allow disks and other devices to resume in parallel.

  This provides a tangible speed up for a non-esoteric use case (laptop
  resume):

    https://01.org/suspendresume/blogs/tebrandt/2013/hard-disk-resume-optimization-simpler-approach"

* 'async-scsi-resume' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci:
  scsi: async sd resume
This commit is contained in:
Linus Torvalds
2014-04-11 17:23:52 -07:00
parent 7f87307818 3c31b52f96
commit b7e70ca9c7
6 changed files with 115 additions and 30 deletions
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drivers/scsi/sd.c
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@@ -3026,6 +3026,7 @@ static int sd_remove(struct device *dev)
devt = disk_devt(sdkp->disk);
scsi_autopm_get_device(sdkp->device);
async_synchronize_full_domain(&scsi_sd_pm_domain);
async_synchronize_full_domain(&scsi_sd_probe_domain);
blk_queue_prep_rq(sdkp->device->request_queue, scsi_prep_fn);
blk_queue_unprep_rq(sdkp->device->request_queue, NULL);