Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2016-09-20' into staging

Block patches for 2.8

# gpg: Signature made Tue 20 Sep 2016 21:29:53 BST
# gpg: using RSA key

Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2016-09-20' into staging

Block patches for 2.8

# gpg: Signature made Tue 20 Sep 2016 21:29:53 BST
# gpg: using RSA key 0xF407DB0061D5CF40
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2016-09-20:
iotest 055: refactor and speed up
commit: get the overlay node before manipulating the backing chain
blockdev: Modularize nfs block driver
blockdev: Add dynamic module loading for block drivers
blockdev: Add dynamic generation of module_block.h
blockdev: prepare iSCSI block driver for dynamic loading
qemu-img: add skip option to dd
qemu-img: add the 'dd' subcommand

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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qemu-img: add skip option to dd

This adds the skip option which allows qemu-img dd to skip a number of blocks
before copying the input.

A test case was added to test the skip option.

Signed-off-by

qemu-img: add skip option to dd

This adds the skip option which allows qemu-img dd to skip a number of blocks
before copying the input.

A test case was added to test the skip option.

Signed-off-by: Reda Sallahi <fullmanet@gmail.com>
Message-id: 20160810141609.32727-1-fullmanet@gmail.com
Signed-off-by: Max Reitz <mreitz@redhat.com>

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