Block layer patches
# gpg: Signature made Wed 30 Mar 2016 11:57:54 BST using RSA key ID
C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (48 commits)
iotests: Test qemu-img convert -S 0 behavior
block/null-{co,aio}: Implement get_block_status()
block/null-{co,aio}: Allow reading zeroes
qemu-img: Fix preallocation with -S 0 for convert
block: Remove bdrv_(set_)enable_write_cache()
block: Remove BDRV_O_CACHE_WB
block: Remove bdrv_parse_cache_flags()
qemu-io: Use bdrv_parse_cache_mode() in reopen_f()
block: Use bdrv_parse_cache_mode() in drive_init()
raw: Support BDRV_REQ_FUA
nbd: Support BDRV_REQ_FUA
iscsi: Support BDRV_REQ_FUA
block: Introduce bdrv_co_writev_flags()
block/qapi: Use blk_enable_write_cache()
block: Move enable_write_cache to BB level
block: Handle flush error in bdrv_pwrite_sync()
block: Always set writeback mode in blk_new_open()
block: blockdev_init(): Call blk_set_enable_write_cache() explicitly
xen_disk: Call blk_set_enable_write_cache() explicitly
qemu-img: Call blk_set_enable_write_cache() explicitly
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>