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[Qemu-devel] [PATCH v4 01/19] block: implement bdrv_snapshot_goto for bl
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [PATCH v4 01/19] block: implement bdrv_snapshot_goto for blkreplay |
Date: |
Mon, 28 May 2018 10:13:39 +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 b016dbe..72b3c7b 100755
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -130,6 +130,12 @@ 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",
.instance_size = 0,
@@ -145,6 +151,8 @@ 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 v4 00/19] reverse debugging, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 01/19] block: implement bdrv_snapshot_goto for blkreplay,
Pavel Dovgalyuk <=
- [Qemu-devel] [PATCH v4 02/19] replay: disable default snapshot for record/replay, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 03/19] replay: update docs for record/replay with block devices, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 04/19] replay: don't drain/flush bdrv queue while RR is working, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 06/19] qcow2: introduce icount field for snapshots, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 05/19] replay: finish record/replay before closing the disks, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 07/19] migration: introduce icount field for snapshots, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 08/19] replay: introduce info hmp/qmp command, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 09/19] replay: introduce breakpoint at the specified step, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 10/19] replay: implement replay-seek command to proceed to the desired step, Pavel Dovgalyuk, 2018/05/28
- [Qemu-devel] [PATCH v4 11/19] replay: flush events when exiting, Pavel Dovgalyuk, 2018/05/28