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| author | Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> | 2019-09-17 14:57:51 +0300 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2019-10-14 17:12:48 +0200 |
| commit | 3c6c4348f23131155846dc53ce19aca309796fda (patch) | |
| tree | 16a418e813921e08d980fe23c87096833fd5b8cf /block | |
| parent | 6caaad46de02c02fb1eeaae64fcdc74f9e0a5eb0 (diff) | |
| download | qemu-3c6c4348f23131155846dc53ce19aca309796fda.zip qemu-3c6c4348f23131155846dc53ce19aca309796fda.tar.gz qemu-3c6c4348f23131155846dc53ce19aca309796fda.tar.bz2 | |
block: implement bdrv_snapshot_goto for blkreplay
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blkreplay.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/block/blkreplay.c b/block/blkreplay.c index 2b7931b..c96ac8f 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) |