Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block

* 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block: (149 commits)
  block: make sure that REQ_* types are seen even with CONFIG_BLOCK=n
  xen-blkfront: fix missing out label
  blkdev: fix blkdev_issue_zeroout return value
  block: update request stacking methods to support discards
  block: fix missing export of blk_types.h
  writeback: fix bad _bh spinlock nesting
  drbd: revert "delay probes", feature is being re-implemented differently
  drbd: Initialize all members of sync_conf to their defaults [Bugz 315]
  drbd: Disable delay probes for the upcomming release
  writeback: cleanup bdi_register
  writeback: add new tracepoints
  writeback: remove unnecessary init_timer call
  writeback: optimize periodic bdi thread wakeups
  writeback: prevent unnecessary bdi threads wakeups
  writeback: move bdi threads exiting logic to the forker thread
  writeback: restructure bdi forker loop a little
  writeback: move last_active to bdi
  writeback: do not remove bdi from bdi_list
  writeback: simplify bdi code a little
  writeback: do not lose wake-ups in bdi threads
  ...

Fixed up pretty trivial conflicts in drivers/block/virtio_blk.c and
drivers/scsi/scsi_error.c as per Jens.

1 files changed, 10 insertions, 3 deletions

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index f7ea2a3efed7..ff1d24720f11 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -25,6 +25,7 @@
 #include <linux/major.h>
 #include <linux/delay.h>
 #include <linux/hdreg.h>
+#include <linux/smp_lock.h>
 #include <linux/slab.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
@@ -805,7 +806,8 @@ static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
 			blkvsc_req->cmnd[0] = READ_16;
 		}
 
-		blkvsc_req->cmnd[1] |= blk_fua_rq(blkvsc_req->req) ? 0x8 : 0;
+		blkvsc_req->cmnd[1] |=
+			(blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
 
 		*(unsigned long long *)&blkvsc_req->cmnd[2] =
 				cpu_to_be64(blkvsc_req->sector_start);
@@ -821,7 +823,8 @@ static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
 			blkvsc_req->cmnd[0] = READ_10;
 		}
 
-		blkvsc_req->cmnd[1] |= blk_fua_rq(blkvsc_req->req) ? 0x8 : 0;
+		blkvsc_req->cmnd[1] |=
+			(blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
 
 		*(unsigned int *)&blkvsc_req->cmnd[2] =
 				cpu_to_be32(blkvsc_req->sector_start);
@@ -1268,7 +1271,7 @@ static void blkvsc_request(struct request_queue *queue)
 		DPRINT_DBG(BLKVSC_DRV, "- req %p\n", req);
 
 		blkdev = req->rq_disk->private_data;
-		if (blkdev->shutting_down || !blk_fs_request(req) ||
+		if (blkdev->shutting_down || req->cmd_type != REQ_TYPE_FS ||
 		    blkdev->media_not_present) {
 			__blk_end_request_cur(req, 0);
 			continue;
@@ -1306,6 +1309,7 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode)
 	DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
 		   blkdev->gd->disk_name);
 
+	lock_kernel();
 	spin_lock(&blkdev->lock);
 
 	if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
@@ -1317,6 +1321,7 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode)
 	blkdev->users++;
 
 	spin_unlock(&blkdev->lock);
+	unlock_kernel();
 	return 0;
 }
 
@@ -1327,6 +1332,7 @@ static int blkvsc_release(struct gendisk *disk, fmode_t mode)
 	DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
 		   blkdev->gd->disk_name);
 
+	lock_kernel();
 	spin_lock(&blkdev->lock);
 	if (blkdev->users == 1) {
 		spin_unlock(&blkdev->lock);
@@ -1337,6 +1343,7 @@ static int blkvsc_release(struct gendisk *disk, fmode_t mode)
 	blkdev->users--;
 
 	spin_unlock(&blkdev->lock);
+	unlock_kernel();
 	return 0;
 }