[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>
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@ -3182,10 +3182,12 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
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rc = -EINVAL;
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}
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if (rc == 0)
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if (rc == 0) {
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ata_port_schedule_eh(ap);
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spin_unlock_irqrestore(ap->lock, flags);
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spin_unlock_irqrestore(ap->lock, flags);
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ata_port_wait_eh(ap);
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} else
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spin_unlock_irqrestore(ap->lock, flags);
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return rc;
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}
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