parallels: wrong call to bdrv_truncate

[mirror_qemu.git] / block / replication.c

diff --git a/block/replication.c b/block/replication.c
index 02aeaaf7d07012da9acacea8d6c06c6c629e2828..bf3c395eb4687659588a4f14155931d1f20d59b6 100644 (file)
--- a/block/replication.c
+++ b/block/replication.c
@@ -86,6 +86,12 @@ static int replication_open(BlockDriverState *bs, QDict *options,
     const char *mode;
     const char *top_id;
 
+    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file,
+                               false, errp);
+    if (!bs->file) {
+        return -EINVAL;
+    }
+
     ret = -EINVAL;
     opts = qemu_opts_create(&replication_runtime_opts, NULL, 0, &error_abort);
     qemu_opts_absorb_qdict(opts, options, &local_err);
@@ -149,6 +155,18 @@ static void replication_close(BlockDriverState *bs)
     replication_remove(s->rs);
 }
 
+static void replication_child_perm(BlockDriverState *bs, BdrvChild *c,
+                                   const BdrvChildRole *role,
+                                   uint64_t perm, uint64_t shared,
+                                   uint64_t *nperm, uint64_t *nshared)
+{
+    *nperm = *nshared = BLK_PERM_CONSISTENT_READ \
+                        | BLK_PERM_WRITE \
+                        | BLK_PERM_WRITE_UNCHANGED;
+
+    return;
+}
+
 static int64_t replication_getlength(BlockDriverState *bs)
 {
     return bdrv_getlength(bs->file->bs);
@@ -421,6 +439,7 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
     int64_t active_length, hidden_length, disk_length;
     AioContext *aio_context;
     Error *local_err = NULL;
+    BlockJob *job;
 
     aio_context = bdrv_get_aio_context(bs);
     aio_context_acquire(aio_context);
@@ -508,16 +527,18 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
         bdrv_op_block_all(top_bs, s->blocker);
         bdrv_op_unblock(top_bs, BLOCK_OP_TYPE_DATAPLANE, s->blocker);
 
-        backup_start("replication-backup", s->secondary_disk->bs,
-                     s->hidden_disk->bs, 0, MIRROR_SYNC_MODE_NONE, NULL, false,
-                     BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
-                     backup_job_completed, bs, NULL, &local_err);
+        job = backup_job_create(NULL, s->secondary_disk->bs, s->hidden_disk->bs,
+                                0, MIRROR_SYNC_MODE_NONE, NULL, false,
+                                BLOCKDEV_ON_ERROR_REPORT,
+                                BLOCKDEV_ON_ERROR_REPORT, BLOCK_JOB_INTERNAL,
+                                backup_job_completed, bs, NULL, &local_err);
         if (local_err) {
             error_propagate(errp, local_err);
             backup_job_cleanup(bs);
             aio_context_release(aio_context);
             return;
         }
+        block_job_start(job);
         break;
     default:
         aio_context_release(aio_context);
@@ -633,10 +654,9 @@ static void replication_stop(ReplicationState *rs, bool failover, Error **errp)
         }
 
         s->replication_state = BLOCK_REPLICATION_FAILOVER;
-        commit_active_start("replication-commit", s->active_disk->bs,
-                            s->secondary_disk->bs, 0, BLOCKDEV_ON_ERROR_REPORT,
-                            replication_done,
-                            bs, errp, true);
+        commit_active_start(NULL, s->active_disk->bs, s->secondary_disk->bs,
+                            BLOCK_JOB_INTERNAL, 0, BLOCKDEV_ON_ERROR_REPORT,
+                            NULL, replication_done, bs, errp, true);
         break;
     default:
         aio_context_release(aio_context);
@@ -652,6 +672,7 @@ BlockDriver bdrv_replication = {
 
     .bdrv_open                  = replication_open,
     .bdrv_close                 = replication_close,
+    .bdrv_child_perm            = replication_child_perm,
 
     .bdrv_getlength             = replication_getlength,
     .bdrv_co_readv              = replication_co_readv,