From 309afcb5c87b5a41da51cc0c36f61c0e0d43ca9a Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sat, 30 Sep 2006 18:07:17 +0900 Subject: [PATCH] [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 Cc: Fajun Chen Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 47ea111..6b2553d 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3182,10 +3182,12 @@ 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); + spin_unlock_irqrestore(ap->lock, flags); + ata_port_wait_eh(ap); + } else + spin_unlock_irqrestore(ap->lock, flags); return rc; } -- 2.7.4