| commit | 0109e7e6f83ae5166b81bbd9a4319d60be49985a | |
| author | Kevin Wolf <kwolf@redhat.com> | |
| Fri, 23 Mar 2018 19:29:24 +0000 (23 20:29 +0100) | ||
| committer | Kevin Wolf <kwolf@redhat.com> | |
| Mon, 18 Jun 2018 13:03:25 +0000 (18 15:03 +0200) | ||
| tree | 2e857bee2d5554f969a1c06ad359bf2495cc2624 | treesnapshot (tar.gz zip) |
| parent | 231281ab42dad2b407b941e36ad11cbc6586e937 | commitdiff |
block: Defer .bdrv_drain_begin callback to polling phase
We cannot allow aio_poll() in bdrv_drain_invoke(begin=true) until we're
done with propagating the drain through the graph and are doing the
single final BDRV_POLL_WHILE().
Just schedule the coroutine with the callback and increase bs->in_flight
to make sure that the polling phase will wait for it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
We cannot allow aio_poll() in bdrv_drain_invoke(begin=true) until we're
done with propagating the drain through the graph and are doing the
single final BDRV_POLL_WHILE().
Just schedule the coroutine with the callback and increase bs->in_flight
to make sure that the polling phase will wait for it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| block/io.c | diffblobblamehistory |