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block: Eliminate bdrv_iterate(), use bdrv_next()

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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-07 13:59:10 +02:00 • committed by Kevin Wolf
parent b9fe8a7a12
commit fea68bb6e9
5 changed files with 37 additions and 67 deletions
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31
blockdev.c
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@ -2608,26 +2608,21 @@ fail:
qmp_output_visitor_cleanup(ov);
}
static void do_qmp_query_block_jobs_one(void *opaque, BlockDriverState *bs)
{
BlockJobInfoList **prev = opaque;
BlockJob *job = bs->job;
if (job) {
BlockJobInfoList *elem = g_new0(BlockJobInfoList, 1);
elem->value = block_job_query(bs->job);
(*prev)->next = elem;
*prev = elem;
}
}
BlockJobInfoList *qmp_query_block_jobs(Error **errp)
{
/* Dummy is a fake list element for holding the head pointer */
BlockJobInfoList dummy = {};
BlockJobInfoList *prev = &dummy;
bdrv_iterate(do_qmp_query_block_jobs_one, &prev);
return dummy.next;
BlockJobInfoList *head = NULL, **p_next = &head;
BlockDriverState *bs;
for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) {
if (bs->job) {
BlockJobInfoList *elem = g_new0(BlockJobInfoList, 1);
elem->value = block_job_query(bs->job);
*p_next = elem;
p_next = &elem->next;
}
}
return head;
}
QemuOptsList qemu_common_drive_opts = {