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authorKristen Carlson Accardi <kristen.c.accardi@intel.com>2007-08-15 04:11:25 -0400
committerJeff Garzik <jeff@garzik.org>2007-10-12 14:55:33 -0400
commit2f2949680ad89d606db838340b17c30216c0bb0f (patch)
tree25d7918c7b846d151776bbdf6a111a1d241d6b05 /drivers/ata/libata-scsi.c
parent9f45cbd3f0fc597530aaf85cad7fe52cd63f1fd8 (diff)
[libata] ahci: send event when AN received
When we get an SDB FIS with the 'N' bit set, we should send an event to user space to indicate that there has been a media change. This will be done via the scsi device. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/libata-scsi.c')
-rw-r--r--drivers/ata/libata-scsi.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 7d66c986a54c..f0f586b56c20 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3160,6 +3160,24 @@ static void ata_scsi_handle_link_detach(struct ata_link *link)
}
/**
+ * ata_scsi_media_change_notify - send media change event
+ * @atadev: Pointer to the disk device with media change event
+ *
+ * Tell the block layer to send a media change notification
+ * event.
+ *
+ * LOCKING:
+ * interrupt context, may not sleep.
+ */
+void ata_scsi_media_change_notify(struct ata_device *atadev)
+{
+#ifdef OTHER_AN_PATCHES_HAVE_BEEN_APPLIED
+ scsi_device_event_notify(atadev->sdev, SDEV_MEDIA_CHANGE);
+#endif
+}
+EXPORT_SYMBOL_GPL(ata_scsi_media_change_notify);
+
+/**
* ata_scsi_hotplug - SCSI part of hotplug
* @work: Pointer to ATA port to perform SCSI hotplug on
*