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| H A D | blockdev.c | diff 698bdfa07d66b5ec218a60229e58eae1dcde00e5 Wed May 10 12:39:45 CDT 2017 John Snow <jsnow@redhat.com> blockdev: use drained_begin/end for qmp_block_resize
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1447551
If one tries to issue a block_resize while a guest is busy
accessing the disk, it is possible that qemu may deadlock
when invoking aio_poll from both the main loop and the iothread.
Replace another instance of bdrv_drain_all that doesn't
quite belong.
Cc: qemu-stable@nongnu.org
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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