X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=drivers%2Fscsi%2Fsd.c;h=974ca5b45f8dc534405fe970a7bc60735947fd59;hb=5ddfe0858ea7848c5d4efe3f4319e7543522e0ee;hp=d749da765df141d7aa66ef2a31e591f6cbc94fed;hpb=a16152c897d74abcca15c120c746264ac4b3bfd1;p=deliverable%2Flinux.git

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index d749da765df1..974ca5b45f8d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -648,7 +648,7 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
 	 */
 	if (sdkp->lbprz) {
 		q->limits.discard_alignment = 0;
-		q->limits.discard_granularity = 1;
+		q->limits.discard_granularity = logical_block_size;
 	} else {
 		q->limits.discard_alignment = sdkp->unmap_alignment *
 			logical_block_size;
@@ -1275,18 +1275,19 @@ static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk);
 	struct scsi_device *sdp = sdkp->device;
 	struct Scsi_Host *host = sdp->host;
+	sector_t capacity = logical_to_sectors(sdp, sdkp->capacity);
 	int diskinfo[4];
 
 	/* default to most commonly used values */
-        diskinfo[0] = 0x40;	/* 1 << 6 */
-       	diskinfo[1] = 0x20;	/* 1 << 5 */
-       	diskinfo[2] = sdkp->capacity >> 11;
-	
+	diskinfo[0] = 0x40;	/* 1 << 6 */
+	diskinfo[1] = 0x20;	/* 1 << 5 */
+	diskinfo[2] = capacity >> 11;
+
 	/* override with calculated, extended default, or driver values */
 	if (host->hostt->bios_param)
-		host->hostt->bios_param(sdp, bdev, sdkp->capacity, diskinfo);
+		host->hostt->bios_param(sdp, bdev, capacity, diskinfo);
 	else
-		scsicam_bios_param(bdev, sdkp->capacity, diskinfo);
+		scsicam_bios_param(bdev, capacity, diskinfo);
 
 	geo->heads = diskinfo[0];
 	geo->sectors = diskinfo[1];
@@ -2337,14 +2338,6 @@ got_data:
 	if (sdkp->capacity > 0xffffffff)
 		sdp->use_16_for_rw = 1;
 
-	/* Rescale capacity to 512-byte units */
-	if (sector_size == 4096)
-		sdkp->capacity <<= 3;
-	else if (sector_size == 2048)
-		sdkp->capacity <<= 2;
-	else if (sector_size == 1024)
-		sdkp->capacity <<= 1;
-
 	blk_queue_physical_block_size(sdp->request_queue,
 				      sdkp->physical_block_size);
 	sdkp->device->sector_size = sector_size;
@@ -2795,28 +2788,6 @@ static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer)
 		sdkp->ws10 = 1;
 }
 
-static int sd_try_extended_inquiry(struct scsi_device *sdp)
-{
-	/* Attempt VPD inquiry if the device blacklist explicitly calls
-	 * for it.
-	 */
-	if (sdp->try_vpd_pages)
-		return 1;
-	/*
-	 * Although VPD inquiries can go to SCSI-2 type devices,
-	 * some USB ones crash on receiving them, and the pages
-	 * we currently ask for are for SPC-3 and beyond
-	 */
-	if (sdp->scsi_level > SCSI_SPC_2 && !sdp->skip_vpd_pages)
-		return 1;
-	return 0;
-}
-
-static inline u32 logical_to_sectors(struct scsi_device *sdev, u32 blocks)
-{
-	return blocks << (ilog2(sdev->sector_size) - 9);
-}
-
 /**
  *	sd_revalidate_disk - called the first time a new disk is seen,
  *	performs disk spin up, read_capacity, etc.
@@ -2856,7 +2827,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
 	if (sdkp->media_present) {
 		sd_read_capacity(sdkp, buffer);
 
-		if (sd_try_extended_inquiry(sdp)) {
+		if (scsi_device_supports_vpd(sdp)) {
 			sd_read_block_provisioning(sdkp);
 			sd_read_block_limits(sdkp);
 			sd_read_block_characteristics(sdkp);
@@ -2900,7 +2871,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
 	/* Combine with controller limits */
 	q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q));
 
-	set_capacity(disk, sdkp->capacity);
+	set_capacity(disk, logical_to_sectors(sdp, sdkp->capacity));
 	sd_config_write_same(sdkp);
 	kfree(buffer);