[SCSI] sd: disentangle barriers in SCSI

[karo-tx-linux.git] / drivers / scsi / sd.c

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index e21c7142a3ea957bee7c58cde38e58fcfea925a3..2c6116fd457818a27be8552119425030a6143e68 100644 (file)
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -241,7 +241,6 @@ static struct scsi_driver sd_template = {
        },
        .rescan                 = sd_rescan,
        .init_command           = sd_init_command,
-       .issue_flush            = sd_issue_flush,
 };
 
 /*
@@ -800,10 +799,17 @@ static int sd_sync_cache(struct scsi_disk *sdkp)
        return 0;
 }
 
-static int sd_issue_flush(struct device *dev, sector_t *error_sector)
+static int sd_issue_flush(struct request_queue *q, struct gendisk *disk,
+                         sector_t *error_sector)
 {
        int ret = 0;
-       struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev);
+       struct scsi_device *sdp = q->queuedata;
+       struct scsi_disk *sdkp;
+
+       if (sdp->sdev_state != SDEV_RUNNING)
+               return -ENXIO;
+
+       sdkp = scsi_disk_get_from_dev(&sdp->sdev_gendev);
 
        if (!sdkp)
                return -ENODEV;
@@ -1663,6 +1669,8 @@ static int sd_probe(struct device *dev)
 
        sd_revalidate_disk(gd);
 
+       blk_queue_issue_flush_fn(sdp->request_queue, sd_issue_flush);
+
        gd->driverfs_dev = &sdp->sdev_gendev;
        gd->flags = GENHD_FL_DRIVERFS;
        if (sdp->removable)