--- block.c | 19 +++++++++++++++++++ include/block/block.h | 1 + 2 files changed, 20 insertions(+)
diff --git a/block.c b/block.c index 4e80da8..8c527b6 100644 --- a/block.c +++ b/block.c @@ -4380,6 +4380,25 @@ int bdrv_resume_dedup(BlockDriverState *bs) return 0; } +int bdrv_pause_dedup(BlockDriverState *bs) +{ + BlockDriver *drv = bs->drv; + + if (!bdrv_has_dedup(bs)) { + return -EINVAL; + } + + if (!bdrv_is_dedup_running(bs)) { + return 0; + } + + if (drv && drv->bdrv_pause_dedup) { + drv->bdrv_pause_dedup(bs); + } + + return 0; +} + /* needed for generic scsi interface */ int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) diff --git a/include/block/block.h b/include/block/block.h index 94ac50a..1328a27 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -309,6 +309,7 @@ void bdrv_lock_medium(BlockDriverState *bs, bool locked); bool bdrv_has_dedup(BlockDriverState *bs); bool bdrv_is_dedup_running(BlockDriverState *bs); int bdrv_resume_dedup(BlockDriverState *bs); +int bdrv_pause_dedup(BlockDriverState *bs); void bdrv_eject(BlockDriverState *bs, bool eject_flag); const char *bdrv_get_format_name(BlockDriverState *bs); BlockDriverState *bdrv_find(const char *name); -- 1.7.10.4