mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

block: implement bdrv_snapshot_goto for blkreplay

Browse Source 
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 <pavel.dovgaluk@ispras.ru>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Pavel Dovgalyuk 2019-09-17 14:57:51 +03:00 committed by Kevin Wolf
parent 6caaad46de
commit 3c6c4348f2
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
block/blkreplay.c
View File

@ -126,6 +126,12 @@ static int coroutine_fn blkreplay_co_flush(BlockDriverState *bs)
return ret; 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 = { static BlockDriver bdrv_blkreplay = {
.format_name = "blkreplay", .format_name = "blkreplay",
.instance_size = 0, .instance_size = 0,
@ -140,6 +146,8 @@ static BlockDriver bdrv_blkreplay = {
.bdrv_co_pwrite_zeroes = blkreplay_co_pwrite_zeroes, .bdrv_co_pwrite_zeroes = blkreplay_co_pwrite_zeroes,
.bdrv_co_pdiscard = blkreplay_co_pdiscard, .bdrv_co_pdiscard = blkreplay_co_pdiscard,
.bdrv_co_flush = blkreplay_co_flush, .bdrv_co_flush = blkreplay_co_flush,
.bdrv_snapshot_goto = blkreplay_snapshot_goto,
}; };
static void bdrv_blkreplay_init(void) static void bdrv_blkreplay_init(void)