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author | Paolo Bonzini <pbonzini@redhat.com> | 2015-12-16 19:33:47 +0100 |
---|---|---|
committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:28:20 -0600 |
commit | cd6c971d3583c7174fb731af52973f64f88176c6 (patch) | |
tree | e791a62bcc7223cf61777e5d80a1ac9c1a772002 /block/io.c | |
parent | eab52fbb038fdfd7252f60f48c998c844166d50d (diff) | |
download | hqemu-cd6c971d3583c7174fb731af52973f64f88176c6.zip hqemu-cd6c971d3583c7174fb731af52973f64f88176c6.tar.gz |
block: fix bdrv_ioctl called from coroutine
When called from a coroutine, bdrv_ioctl must be asynchronous just like
e.g. bdrv_flush. The code was incorrectly making it synchronous, fix
it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/io.c')
-rw-r--r-- | block/io.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -2614,10 +2614,11 @@ int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) bdrv_co_ioctl_entry(&data); } else { Coroutine *co = qemu_coroutine_create(bdrv_co_ioctl_entry); + qemu_coroutine_enter(co, &data); - } - while (data.ret == -EINPROGRESS) { - aio_poll(bdrv_get_aio_context(bs), true); + while (data.ret == -EINPROGRESS) { + aio_poll(bdrv_get_aio_context(bs), true); + } } return data.ret; } |