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block/block-backend.c: assertions for block-backend

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All the global state (GS) API functions will check that
qemu_in_main_thread() returns true. If not, it means
that the safety of BQL cannot be guaranteed, and
they need to be moved to I/O.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-9-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Emanuele Giuseppe Esposito 2022-03-03 10:15:53 -05:00 • committed by Kevin Wolf
parent a2c4c3b19b
commit 0439c5a462
2 changed files with 80 additions and 0 deletions
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softmmu/qdev-monitor.c
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@ -971,6 +971,8 @@ BlockBackend *blk_by_qdev_id(const char *id, Error **errp)
DeviceState *dev;
BlockBackend *blk;
GLOBAL_STATE_CODE();
dev = find_device_state(id, errp);
if (dev == NULL) {
return NULL;