Commit 309afcb5 authored Sep 30, 2006 by Tejun Heo Committed by Jeff Garzik Dec 01, 2006

[PATCH] libata: make user scan wait for scan to complete



Make user scan wait for scan to complete.  This way user can wait for
warm plug request to complete and is prevented from causing EH event
storm by repetitively issuing scan request while EH is in progress.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Fajun Chen <fajunchen@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent 722420fe

drivers/ata/libata-scsi.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -3182,9 +3182,11 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
		rc = -EINVAL;
		}

		if (rc == 0)
		if (rc == 0) {
		ata_port_schedule_eh(ap);

		spin_unlock_irqrestore(ap->lock, flags);
		ata_port_wait_eh(ap);
		} else
		spin_unlock_irqrestore(ap->lock, flags);

		return rc;