Merge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-block

* 'for-3.2/drivers' of git://git.kernel.dk/linux-block: (30 commits)
  virtio-blk: use ida to allocate disk index
  hpsa: add small delay when using PCI Power Management to reset for kump
  cciss: add small delay when using PCI Power Management to reset for kump
  xen/blkback: Fix two races in the handling of barrier requests.
  xen/blkback: Check for proper operation.
  xen/blkback: Fix the inhibition to map pages when discarding sector ranges.
  xen/blkback: Report VBD_WSECT (wr_sect) properly.
  xen/blkback: Support 'feature-barrier' aka old-style BARRIER requests.
  xen-blkfront: plug device number leak in xlblk_init() error path
  xen-blkfront: If no barrier or flush is supported, use invalid operation.
  xen-blkback: use kzalloc() in favor of kmalloc()+memset()
  xen-blkback: fixed indentation and comments
  xen-blkfront: fix a deadlock while handling discard response
  xen-blkfront: Handle discard requests.
  xen-blkback: Implement discard requests ('feature-discard')
  xen-blkfront: add BLKIF_OP_DISCARD and discard request struct
  drivers/block/loop.c: remove unnecessary bdev argument from loop_clr_fd()
  drivers/block/loop.c: emit uevent on auto release
  drivers/block/cpqarray.c: use pci_dev->revision
  loop: always allow userspace partitions and optionally support automatic scanning
  ...

Fic up trivial header file includsion conflict in drivers/block/loop.c

Documentation/ABI/testing/sysfs-bus-pci-devices-cciss

@@ -71,3 +71,10 @@ Description:	Value of 1 indicates the controller can honor the reset_devices
 		a dump device, as kdump requires resetting the device in order
 		to work reliably.
 
+Where:		/sys/bus/pci/devices/<dev>/ccissX/transport_mode
+Date:		July 2011
+Kernel Version:	3.0
+Contact:	iss_storagedev@hp.com
+Description:	Value of "simple" indicates that the controller has been placed
+		in "simple mode". Value of "performant" indicates that the
+		controller has been placed in "performant mode".