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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2014-10-21 12:03:51 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-11-03 11:41:49 +0000 |
| commit | 69691e72708603592b1618f1a68d2a3f07db853d (patch) | |
| tree | 82c76077ae8726439c3f77f6a6a2f91ac8577cd8 /blockdev.c | |
| parent | 3d948cdf3760b52238038626a7ffa7d30913060b (diff) | |
| download | qemu-69691e72708603592b1618f1a68d2a3f07db853d.tar.gz | |
blockdev: acquire AioContext in do_qmp_query_block_jobs_one()
Make sure that query-block-jobs acquires the BlockDriverState
AioContext so that the blockjob isn't running in another thread while we
access its state.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1413889440-32577-3-git-send-email-stefanha@redhat.com
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index 501473da69..40fc5d624f 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2628,12 +2628,18 @@ BlockJobInfoList *qmp_query_block_jobs(Error **errp) BlockDriverState *bs; for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) { + AioContext *aio_context = bdrv_get_aio_context(bs); + + aio_context_acquire(aio_context); + if (bs->job) { BlockJobInfoList *elem = g_new0(BlockJobInfoList, 1); elem->value = block_job_query(bs->job); *p_next = elem; p_next = &elem->next; } + + aio_context_release(aio_context); } return head; |