git: virtio_blk: Enable dump support. Partial sync with FreeBSD up to r252707.
Imre Vadasz
ivadasz at crater.dragonflybsd.org
Wed Dec 3 11:47:59 PST 2014
commit 58db6936f55c0c33a6c9ac01882c4a979b4a99f6
Author: Imre Vadasz <imre at vdsz.com>
Date: Sat Nov 22 09:58:51 2014 +0100
virtio_blk: Enable dump support. Partial sync with FreeBSD up to r252707.
* Adds support for dumping to the virtio_blk driver.
* The dev.vtblk.X.writecache_mode sysctl can now be used to toggle write
caching by the virtual-machine host.
* Add a workaround in sys/dev/virtual/virtio/virtio/virtqueue.c to avoid
a serializer exit/enter pair while dumping.
* Reduce diff relative to FreeBSD's virtio_blk.c version.
* Adapt manpage, comment out description of the hw.vtblk.no_ident tunable.
* Updates are taken from FreeBSD's r252707, r252703 and r247829.
Summary of changes:
share/man/man4/virtio_blk.4 | 36 ++-
sys/dev/virtual/virtio/block/virtio_blk.c | 472 +++++++++++++++++++++++++-----
sys/dev/virtual/virtio/block/virtio_blk.h | 25 +-
sys/dev/virtual/virtio/virtio/virtqueue.c | 6 +-
4 files changed, 448 insertions(+), 91 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/58db6936f55c0c33a6c9ac01882c4a979b4a99f6
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