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[Qemu-devel] [PATCH v7 02/22] block: implement bdrv_snapshot_goto for bl
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [PATCH v7 02/22] block: implement bdrv_snapshot_goto for blkreplay |
Date: |
Tue, 27 Feb 2018 12:51:46 +0300 |
User-agent: |
StGit/0.17.1-dirty |
From: Pavel Dovgalyuk <address@hidden>
This patch enables making snapshots with blkreplay used in
block devices.
This function is required to make bdrv_snapshot_goto without
calling .bdrv_open which is not implemented.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
block/blkreplay.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/block/blkreplay.c b/block/blkreplay.c
index 61e44a1..4c58bd2 100755
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -127,6 +127,12 @@ static int coroutine_fn
blkreplay_co_flush(BlockDriverState *bs)
return ret;
}
+static int blkreplay_snapshot_goto(BlockDriverState *bs,
+ const char *snapshot_id)
+{
+ return bdrv_snapshot_goto(bs->file->bs, snapshot_id, NULL);
+}
+
static BlockDriver bdrv_blkreplay = {
.format_name = "blkreplay",
.protocol_name = "blkreplay",
@@ -143,6 +149,8 @@ static BlockDriver bdrv_blkreplay = {
.bdrv_co_pwrite_zeroes = blkreplay_co_pwrite_zeroes,
.bdrv_co_pdiscard = blkreplay_co_pdiscard,
.bdrv_co_flush = blkreplay_co_flush,
+
+ .bdrv_snapshot_goto = blkreplay_snapshot_goto,
};
static void bdrv_blkreplay_init(void)
- [Qemu-devel] [ PATCH v7 00/22] replay additions, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 01/22] cpu-exec: fix exception_index handling, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 02/22] block: implement bdrv_snapshot_goto for blkreplay,
Pavel Dovgalyuk <=
- [Qemu-devel] [PATCH v7 03/22] blkreplay: create temporary overlay for underlaying devices, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 04/22] replay: disable default snapshot for record/replay, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 05/22] replay: fix processing async events, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 06/22] replay: fixed replay_enable_events, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 07/22] replay: fix save/load vm for non-empty queue, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 08/22] replay: added replay log format description, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 09/22] replay: save prior value of the host clock, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 11/22] replay/replay-internal.c: track holding of replay_lock, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 10/22] replay/replay.c: bump REPLAY_VERSION again, Pavel Dovgalyuk, 2018/02/27
- [Qemu-devel] [PATCH v7 12/22] replay: make locking visible outside replay code, Pavel Dovgalyuk, 2018/02/27