haraldwolff/qemu-patch-raspberry4
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block: Use block_job_add_bdrv() in backup_start()

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Use block_job_add_bdrv() instead of blocking all operations in
backup_start() and unblocking them in backup_run().

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2016-10-28 10:08:06 +03:00 committed by Kevin Wolf
parent cee3c6b5ca
commit b7340d002e
1 changed files with 1 additions and 4 deletions
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5
block/backup.c
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@ -446,7 +446,6 @@ static void coroutine_fn backup_run(void *opaque)
BackupBlockJob *job = opaque;
BackupCompleteData *data;
BlockDriverState *bs = blk_bs(job->common.blk);
BlockBackend *target = job->target;
int64_t start, end;
int64_t sectors_per_cluster = cluster_size_sectors(job);
int ret = 0;
@ -533,8 +532,6 @@ static void coroutine_fn backup_run(void *opaque)
qemu_co_rwlock_unlock(&job->flush_rwlock);
g_free(job->done_bitmap);
bdrv_op_unblock_all(blk_bs(target), job->common.blocker);
data = g_malloc(sizeof(*data));
data->ret = ret;
block_job_defer_to_main_loop(&job->common, backup_complete, data);
@ -648,7 +645,7 @@ void backup_start(const char *job_id, BlockDriverState *bs,
job->cluster_size = MAX(BACKUP_CLUSTER_SIZE_DEFAULT, bdi.cluster_size);
}
bdrv_op_block_all(target, job->common.blocker);
block_job_add_bdrv(&job->common, target);
job->common.len = len;
job->common.co = qemu_coroutine_create(backup_run, job);
block_job_txn_add_job(txn, &job->common);