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[Qemu-devel] [PATCH v2 03/10] block: don't make snapshots for filters
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [PATCH v2 03/10] block: don't make snapshots for filters |
Date: |
Thu, 15 Sep 2016 12:01:00 +0300 |
User-agent: |
StGit/0.16 |
This patch disables snapshotting for block driver filters.
It is needed, because snapshots should be created
in underlying disk images, not in filters itself.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
block/snapshot.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/block/snapshot.c b/block/snapshot.c
index bf5c2ca..8998b8b 100644
--- a/block/snapshot.c
+++ b/block/snapshot.c
@@ -184,6 +184,9 @@ int bdrv_snapshot_goto(BlockDriverState *bs,
if (!drv) {
return -ENOMEDIUM;
}
+ if (drv->is_filter) {
+ return 0;
+ }
if (drv->bdrv_snapshot_goto) {
return drv->bdrv_snapshot_goto(bs, snapshot_id);
}
- [Qemu-devel] [PATCH v2 00/10] replay additions, Pavel Dovgalyuk, 2016/09/15
- [Qemu-devel] [PATCH v2 03/10] block: don't make snapshots for filters,
Pavel Dovgalyuk <=
- [Qemu-devel] [PATCH v2 01/10] record/replay: add network support, Pavel Dovgalyuk, 2016/09/15
- [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Pavel Dovgalyuk, 2016/09/15
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/15
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/15
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Pavel Dovgalyuk, 2016/09/16
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/16
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Pavel Dovgalyuk, 2016/09/16
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/16
[Qemu-devel] [PATCH v2 04/10] replay: save/load initial state, Pavel Dovgalyuk, 2016/09/15