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block: Add BdrvChildRole to BdrvChild

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For now, it is always set to 0.  Later patches in this series will
ensure that all callers pass an appropriate combination of flags.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200513110544.176672-6-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2020-05-13 13:05:15 +02:00 • committed by Kevin Wolf
parent 3284bcf430
commit 258b776515
31 changed files with 62 additions and 49 deletions
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5
blockjob.c
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@ -217,8 +217,9 @@ int block_job_add_bdrv(BlockJob *job, const char *name, BlockDriverState *bs,
if (job->job.aio_context != qemu_get_aio_context()) {
aio_context_release(job->job.aio_context);
}
c = bdrv_root_attach_child(bs, name, &child_job, job->job.aio_context,
perm, shared_perm, job, errp);
c = bdrv_root_attach_child(bs, name, &child_job, 0,
job->job.aio_context, perm, shared_perm, job,
errp);
if (job->job.aio_context != qemu_get_aio_context()) {
aio_context_acquire(job->job.aio_context);
}