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hw/xen_disk: Remove unused local variable
cppcheck report:hw/xen_disk.c:309: style: Variable 'len' is assigned a value that is never used
Cc: Kevin Wolf <kwolf@redhat.com>Signed-off-by: Stefan Weil <weil@mail.berlios.de>Signed-off-by: Kevin Wolf <kwolf@redhat.com>
xen: Replace some tab-indents with spaces (clean-up).
And put braces for blocks with a single statement.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>Acked-by: Alexander Graf <agraf@suse.de>Signed-off-by: Alexander Graf <agraf@suse.de>
xen: Support new libxc calls from xen unstable.
This patch updates the libxenctrl calls in Qemu to use the new interface,otherwise Qemu wouldn't be able to build against new versions of thelibrary.
We check libxenctrl version in configure, from Xen 3.3.0 to Xen...
hw/xen_disk: ioreq not finished on error
Bug fix: routines 'ioreq_runio_qemu_sync' and 'ioreq_runio_qemu_aio'won't call 'ioreq_unmap' or 'ioreq_finish' on errors, leaving ioreq inthe blkdev->inflight list and a leak.
Signed-off-by: Feiran Zheng <famcool@gmail.com>...
hw/xen_disk: aio_inflight not released in handling ioreq when nr_segments==0
In hw/xen_disk.c, async writing ioreq is leaked whenioreq->req.nr_segments==0, because `aio_inflight` flag is not releasedproperly (skipped by misplaced "break").
Remove NULL checks for bdrv_new return value
It's an indirect call to qemu_malloc, which never returns an error.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
qemu and qemu-xen: support empty write barriers in xen_disk
This patch can be applied to both qemu-xen and qemu and adds supportfor empty write barriers to xen_disk.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>Acked-by: Gerd Hoffmann <kraxel@redhat.com>...
Rearrange block headers
Changing block.h or blockdev.h resulted in recompiling most objects.
Move DriveInfo typedef and BlockInterfaceType enum definitionsto qemu-common.h and rearrange blockdev.h use to decrease churn.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Remove dead assignments in various common files, spotted by clang analyzer
Value stored is never read.
Replace calls of old bdrv_open
What is known today as bdrv_open2 becomes the new bdrv_open. All remainingcallers of the old function are converted to the new one. In some places theyeven know the right format, so they should have used bdrv_open2 from the...
Clean-up a little bit the RW related bits of BDRV_O_FLAGS. BDRV_O_RDONLY gone (and so is BDRV_O_ACCESS). Default value for bdrv_flags (0/zero) is READ-ONLY. Need to explicitly request READ-WRITE.
Instead of using the field 'readonly' of the BlockDriverState struct for passing the request,...
Configurable block format whitelist
We have code for a quite a few block formats. While I trust that allof these formats are useful at least for some people in somecircumstances, some of them are of a kind that friends don't letfriends use in production....
Fix sys-queue.h conflict for good
Problem: Our file sys-queue.h is a copy of the BSD file, but there aresome additions and it's not entirely compatible. Because of that, there havebeen conflicts with system headers on BSD systems. Some hacks have beenintroduced in the commits 15cc9235840a22c289edbe064a9b3c19c5f49896,...
kill drives_table
First step cleaning up the drives handling. This one does nothing butremoving drives_table[], still it became seriously big.
drive_get_index() is gone and is replaced by drives_get() which handsout DriveInfo pointers instead of a table index. This needs adaption in...
Update to a hopefully more future proof FSF address
xen_disk: move sanity check to the correct place
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Fix compilation when x86_64 is defined
Use a more natural order
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7234 c046a42c-6fe2-441c-8c8c-71466251a162
xen: add block device backend driver. (Gerd Hoffmann)
This patch adds a block device backend driver to qemu. It is a pureuserspace implemention using the gntdev interface. It uses "qdisk" asbackend name in xenstore so it doesn't interfere with the other existing...