--- block.c | 19 +++++++++++++++++++ include/block/block.h | 1 + 2 files changed, 20 insertions(+)
diff --git a/block.c b/block.c index aee33e0..e83666a 100644 --- a/block.c +++ b/block.c @@ -4342,6 +4342,25 @@ bool bdrv_has_dedup(BlockDriverState *bs) return bdi.has_dedup; } +/* Return true if the device has deduplication and it's running */ +bool bdrv_is_dedup_running(BlockDriverState *bs) +{ + BlockDriverInfo bdi; + int ret = 0; + + ret = bdrv_get_info((BlockDriverState *) bs, &bdi); + + if (ret < 0) { + return false; + } + + if (!bdi.has_dedup) { + return false; + } + + return bdi.dedup_running; +} + /* 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 e6f86ac..f4e1d2a 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -307,6 +307,7 @@ int bdrv_is_inserted(BlockDriverState *bs); int bdrv_media_changed(BlockDriverState *bs); void bdrv_lock_medium(BlockDriverState *bs, bool locked); bool bdrv_has_dedup(BlockDriverState *bs); +bool bdrv_is_dedup_running(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