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[PULL 02/15] block: implement bdrv_snapshot_goto for blkreplay
From: |
Kevin Wolf |
Subject: |
[PULL 02/15] block: implement bdrv_snapshot_goto for blkreplay |
Date: |
Mon, 14 Oct 2019 18:03:36 +0200 |
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>
Acked-by: Kevin Wolf <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/blkreplay.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/block/blkreplay.c b/block/blkreplay.c
index 2b7931b940..c96ac8f4bc 100644
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -126,6 +126,12 @@ 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,
@@ -140,6 +146,8 @@ 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)
--
2.20.1
- [PULL 00/15] Block layer patches, Kevin Wolf, 2019/10/14
- [PULL 01/15] block/vhdx: add check for truncated image files, Kevin Wolf, 2019/10/14
- [PULL 02/15] block: implement bdrv_snapshot_goto for blkreplay,
Kevin Wolf <=
- [PULL 03/15] replay: disable default snapshot for record/replay, Kevin Wolf, 2019/10/14
- [PULL 04/15] replay: update docs for record/replay with block devices, Kevin Wolf, 2019/10/14
- [PULL 05/15] replay: don't drain/flush bdrv queue while RR is working, Kevin Wolf, 2019/10/14
- [PULL 06/15] replay: finish record/replay before closing the disks, Kevin Wolf, 2019/10/14
- [PULL 09/15] iotests/028: Fix for long $TEST_DIRs, Kevin Wolf, 2019/10/14
- [PULL 07/15] replay: add BH oneshot event for block layer, Kevin Wolf, 2019/10/14
- [PULL 08/15] block: Reject misaligned write requests with BDRV_REQ_NO_FALLBACK, Kevin Wolf, 2019/10/14
- Re: [PULL 00/15] Block layer patches, Peter Maydell, 2019/10/15