---
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
