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qemu/include/block
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Kevin Wolf dcf94a23b1 block: Don't poll in parent drain callbacks 
bdrv_do_drained_begin() is only safe if we have a single
BDRV_POLL_WHILE() after quiescing all affected nodes. We cannot allow
that parent callbacks introduce a nested polling loop that could cause
graph changes while we're traversing the graph.

Split off bdrv_do_drained_begin_quiesce(), which only quiesces a single
node without waiting for its requests to complete. These requests will
be waited for in the BDRV_POLL_WHILE() call down the call chain.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-06-18 15:03:25 +02:00
..
accounting.h block/accounting: introduce latency histogram 2018-03-19 14:58:37 -05:00
aio-wait.h block: Avoid unnecessary aio_poll() in AIO_WAIT_WHILE() 2018-06-18 15:03:25 +02:00
aio.h iothread: fix epollfd leak in the process of delIOThread 2018-05-18 17:09:54 +08:00
block.h block: Don't poll in parent drain callbacks 2018-06-18 15:03:25 +02:00
block_backup.h backup: Switch block_backup.h to byte-based 2017-07-10 13:18:06 +02:00
block_int.h block: Really pause block jobs on drain 2018-06-18 15:03:25 +02:00
blockjob.h blockjob: Remove BlockJob.driver 2018-05-23 14:30:51 +02:00
blockjob_int.h block: Really pause block jobs on drain 2018-06-18 15:03:25 +02:00
dirty-bitmap.h qapi: add x-block-dirty-bitmap-merge 2018-06-11 14:53:32 -04:00
nbd.h nbd: BLOCK_STATUS for standard get_block_status function: client part 2018-03-13 15:43:48 -05:00
nvme.h block: Move NVMe constants to a separate header 2018-02-08 09:22:03 +08:00
qapi.h Drop superfluous includes of qapi-types.h and test-qapi-types.h 2018-02-09 05:05:11 +01:00
qdict.h block: Factor out qobject_input_visitor_new_flat_confused() 2018-06-15 14:49:44 +02:00
raw-aio.h file-posix: Implement bdrv_co_copy_range 2018-06-01 14:41:48 +01:00
snapshot.h Move include qemu/option.h from qemu-common.h to actual users 2018-02-09 13:52:16 +01:00
thread-pool.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
throttle-groups.h block: add throttle block filter driver 2017-09-06 10:12:02 +02:00
write-threshold.h Use scripts/clean-includes to drop redundant qemu/typedefs.h 2016-03-22 22:20:16 +01:00