Block layer patches: - block: Fix forbidden use of polling in drained_end - block: Don't wait for I/O throttling while exiting QEMU - iotests: Use read-zeroes for the null driver to be Valgrind-friendly # gpg: Signature made Fri 19 Jul 2019 14:30:14 BST # gpg: using RSA key 7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full] # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: iotests: Test quitting with job on throttled node vl: Drain before (block) job cancel when quitting iotests: Test commit with a filter on the chain iotests: Add @has_quit to vm.shutdown() block: Loop unsafely in bdrv*drained_end() tests: Extend commit by drained_end test block: Do not poll in bdrv_do_drained_end() tests: Lock AioContexts in test-block-iothread block: Make bdrv_parent_drained_[^_]*() static block: Add @drained_end_counter tests: Add job commit by drained_end test block: Introduce BdrvChild.parent_quiesce_counter iotests: Set read-zeroes on in null block driver for Valgrind Signed-off-by: Peter Maydell <peter.maydell@linaro.org>