From 94db6d2d30962cc0422a69c88c3b3e9981b33e50 Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Thu, 5 Nov 2015 18:13:14 -0500 Subject: [PATCH] blockjob: Simplify block_job_finish_sync With job->completed and job->ret to replace BlockFinishData. Signed-off-by: Fam Zheng Signed-off-by: John Snow Message-id: 1446765200-3054-9-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- blockjob.c | 28 +++++++--------------------- 1 file changed, 7 insertions(+), 21 deletions(-) diff --git a/blockjob.c b/blockjob.c index bcd7efcb64..81b268e20d 100644 --- a/blockjob.c +++ b/blockjob.c @@ -188,43 +188,29 @@ struct BlockFinishData { int ret; }; -static void block_job_finish_cb(void *opaque, int ret) -{ - struct BlockFinishData *data = opaque; - - data->cancelled = block_job_is_cancelled(data->job); - data->ret = ret; - data->cb(data->opaque, ret); -} - static int block_job_finish_sync(BlockJob *job, void (*finish)(BlockJob *, Error **errp), Error **errp) { - struct BlockFinishData data; BlockDriverState *bs = job->bs; Error *local_err = NULL; + int ret; assert(bs->job == job); - /* Set up our own callback to store the result and chain to - * the original callback. - */ - data.job = job; - data.cb = job->cb; - data.opaque = job->opaque; - data.ret = -EINPROGRESS; - job->cb = block_job_finish_cb; - job->opaque = &data; + block_job_ref(job); finish(job, &local_err); if (local_err) { error_propagate(errp, local_err); + block_job_unref(job); return -EBUSY; } - while (data.ret == -EINPROGRESS) { + while (!job->completed) { aio_poll(bdrv_get_aio_context(bs), true); } - return (data.cancelled && data.ret == 0) ? -ECANCELED : data.ret; + ret = (job->cancelled && job->ret == 0) ? -ECANCELED : job->ret; + block_job_unref(job); + return ret; } /* A wrapper around block_job_cancel() taking an Error ** parameter so it may be