From: Jeff Garzik <jeff@garzik.org>
Date: Mon, 29 Oct 2007 21:18:39 +0000 (-0400)
Subject: [libata] Utilize new SCSI event infrastructure
X-Git-Tag: v2.6.24-rc2~40^2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f26792d5c63344e14540ced4b19deb29e360bb8d;p=linux-2.6

[libata] Utilize new SCSI event infrastructure

An end to CD-ROM polling (if you have a device that supports AN)...
hooray!

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 245057df69..94144ed50a 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -841,6 +841,9 @@ static void ata_scsi_dev_config(struct scsi_device *sdev,
 		blk_queue_max_hw_segments(q, q->max_hw_segments - 1);
 	}
 
+	if (dev->flags & ATA_DFLAG_AN)
+		set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
+
 	if (dev->flags & ATA_DFLAG_NCQ) {
 		int depth;
 
@@ -3296,10 +3299,9 @@ static void ata_scsi_handle_link_detach(struct ata_link *link)
  */
 void ata_scsi_media_change_notify(struct ata_device *dev)
 {
-#ifdef OTHER_AN_PATCHES_HAVE_BEEN_APPLIED
 	if (dev->sdev)
-		scsi_device_event_notify(dev->sdev, SDEV_MEDIA_CHANGE);
-#endif
+		sdev_evt_send_simple(dev->sdev, SDEV_EVT_MEDIA_CHANGE,
+				     GFP_ATOMIC);
 }
 
 /**