From cfe5067dd721d4a373ca75e36f3709cfa5980b6a 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 47ea111d5acee..6b2553dae489c 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; } -- 2.39.5