[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH COLO-BLOCK v8 18/18] Add a new API to start/stop rep
From: |
Wen Congyang |
Subject: |
[Qemu-devel] [PATCH COLO-BLOCK v8 18/18] Add a new API to start/stop replication, do checkpoint to all BDSes |
Date: |
Tue, 7 Jul 2015 16:43:16 +0800 |
Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: zhanghailiang <address@hidden>
Signed-off-by: Gonglei <address@hidden>
---
block.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
include/block/block.h | 4 +++
2 files changed, 72 insertions(+)
diff --git a/block.c b/block.c
index 0a6691e..43d175b 100644
--- a/block.c
+++ b/block.c
@@ -4381,3 +4381,71 @@ void bdrv_stop_replication(BlockDriverState *bs, bool
failover, Error **errp)
error_setg(errp, "this feature or command is not currently supported");
}
}
+
+void bdrv_start_replication_all(ReplicationMode mode, Error **errp)
+{
+ BlockDriverState *bs = NULL, *temp = NULL;
+ Error *local_err = NULL;
+
+ while ((bs = bdrv_next(bs))) {
+ if (bdrv_is_read_only(bs) || !bdrv_is_inserted(bs)) {
+ continue;
+ }
+
+ bdrv_start_replication(bs, mode, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto fail;
+ }
+ }
+
+ return;
+
+fail:
+ while ((temp = bdrv_next(temp)) && bs != temp) {
+ bdrv_stop_replication(temp, false, NULL);
+ }
+}
+
+void bdrv_do_checkpoint_all(Error **errp)
+{
+ BlockDriverState *bs = NULL;
+ Error *local_err = NULL;
+
+ while ((bs = bdrv_next(bs))) {
+ if (bdrv_is_read_only(bs) || !bdrv_is_inserted(bs)) {
+ continue;
+ }
+
+ bdrv_do_checkpoint(bs, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+ }
+}
+
+void bdrv_stop_replication_all(bool failover, Error **errp)
+{
+ BlockDriverState *bs = NULL;
+ Error *local_err = NULL;
+
+ while ((bs = bdrv_next(bs))) {
+ if (bdrv_is_read_only(bs) || !bdrv_is_inserted(bs)) {
+ continue;
+ }
+
+ bdrv_stop_replication(bs, failover, &local_err);
+ if (!errp) {
+ /*
+ * The caller doesn't care the result, they just
+ * want to stop all block's replication.
+ */
+ continue;
+ }
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+ }
+}
diff --git a/include/block/block.h b/include/block/block.h
index 1518ae8..e1251bd 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -620,4 +620,8 @@ void bdrv_start_replication(BlockDriverState *bs,
ReplicationMode mode,
void bdrv_do_checkpoint(BlockDriverState *bs, Error **errp);
void bdrv_stop_replication(BlockDriverState *bs, bool failover, Error **errp);
+void bdrv_start_replication_all(ReplicationMode mode, Error **errp);
+void bdrv_do_checkpoint_all(Error **errp);
+void bdrv_stop_replication_all(bool failover, Error **errp);
+
#endif
--
2.4.3
- [Qemu-devel] [PATCH COLO-BLOCK v8 09/18] Backup: clear all bitmap when doing block checkpoint, (continued)
- [Qemu-devel] [PATCH COLO-BLOCK v8 09/18] Backup: clear all bitmap when doing block checkpoint, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 10/18] allow writing to the backing file, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 12/18] block: Allow references for backing files, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 13/18] docs: block replication's description, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 14/18] Add new block driver interfaces to control block replication, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 15/18] skip nbd_target when starting block replication, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 16/18] quorum: implement block driver interfaces for block replication, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 17/18] Implement new driver for block replication, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 18/18] Add a new API to start/stop replication, do checkpoint to all BDSes,
Wen Congyang <=
- [Qemu-devel] [PATCH COLO-BLOCK v8 03/18] hmp: add monitor command to add/remove a child, Wen Congyang, 2015/07/07
- [Qemu-devel] [PATCH COLO-BLOCK v8 11/18] Allow creating backup jobs when opening BDS, Wen Congyang, 2015/07/07
- Re: [Qemu-devel] [PATCH COLO-BLOCK v8 00/18] Block replication for continuous checkpoints, Wen Congyang, 2015/07/28