qemu/qapi
Kevin Wolf eb94b81a94 block: Convert 'block_resize' to coroutine
block_resize performs some I/O that could potentially take quite some
time, so use it as an example for the new 'coroutine': true annotation
in the QAPI schema.

bdrv_truncate() requires that we're already in the right AioContext for
the BlockDriverState if called in coroutine context. So instead of just
taking the AioContext lock, move the QMP handler coroutine to the
context.

Call blk_unref() only after switching back because blk_unref() may only
be called in the main thread.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201005155855.256490-15-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-10-09 07:08:20 +02:00
..
acpi.json
audio.json
authz.json
block-core.json block: Convert 'block_resize' to coroutine 2020-10-09 07:08:20 +02:00
block-export.json
block.json
char.json
common.json
control.json
crypto.json
dump.json
error.json
introspect.json
job.json
machine-target.json
machine.json
meson.build
migration.json
misc-target.json
misc.json
net.json
opts-visitor.c
pci.json
pragma.json
qapi-clone-visitor.c
qapi-dealloc-visitor.c
qapi-schema.json
qapi-util.c
qapi-visit-core.c
qdev.json
qmp-dispatch.c
qmp-event.c
qmp-registry.c
qobject-input-visitor.c
qobject-output-visitor.c
qom.json
rdma.json
replay.json
rocker.json
run-state.json
sockets.json
string-input-visitor.c
string-output-visitor.c
tpm.json
trace-events
trace.h
trace.json
transaction.json
ui.json