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authorKevin Wolf <kwolf@redhat.com>2017-12-11 15:33:17 +0100
committerKevin Wolf <kwolf@redhat.com>2017-12-22 15:03:41 +0100
commitc200c4a470fc89d9a2b2d1884b140b03fd31981f (patch)
treed2dc8d18ba8d14d4cf74a6f53ca7bf6095f726be /block
parent60369b86c427c6646c53b607b5a3e6b507ffe8d6 (diff)
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block: Don't acquire AioContext in hmp_qemu_io()
Commit 15afd94a047 added code to acquire and release the AioContext in qemuio_command(). This means that the lock is taken twice now in the call path from hmp_qemu_io(). This causes BDRV_POLL_WHILE() to hang for any requests issued to nodes in a non-mainloop AioContext. Dropping the first locking from hmp_qemu_io() fixes the problem. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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