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[Qemu-devel] [RFC V5 22/62] qcow2: Add qcow2_dedup_is_running to probe i
From: |
Benoît Canet |
Subject: |
[Qemu-devel] [RFC V5 22/62] qcow2: Add qcow2_dedup_is_running to probe if dedup is running. |
Date: |
Wed, 16 Jan 2013 16:48:01 +0100 |
---
block/qcow2-dedup.c | 6 ++++++
block/qcow2.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/block/qcow2-dedup.c b/block/qcow2-dedup.c
index 8b51dda..cc99e27 100644
--- a/block/qcow2-dedup.c
+++ b/block/qcow2-dedup.c
@@ -999,3 +999,9 @@ void qcow2_dedup_refcount_half_max_reached(BlockDriverState
*bs,
/* remove the QCowHashNode from ram so we won't use it anymore for dedup */
qcow2_remove_hash_node(bs, hash_node);
}
+
+bool qcow2_dedup_is_running(BlockDriverState *bs)
+{
+ BDRVQcowState *s = bs->opaque;
+ return s->has_dedup && s->dedup_status == QCOW_DEDUP_STARTED;
+}
diff --git a/block/qcow2.h b/block/qcow2.h
index 842c321..dc9f519 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -505,5 +505,6 @@ void qcow2_dedup_refcount_zero_reached(BlockDriverState *bs,
uint64_t cluster_index);
void qcow2_dedup_refcount_half_max_reached(BlockDriverState *bs,
uint64_t cluster_index);
+bool qcow2_dedup_is_running(BlockDriverState *bs);
#endif
--
1.7.10.4
- [Qemu-devel] [RFC V5 05/62] qcow2: Create a way to link to l2 tables when deduplicating., (continued)
- [Qemu-devel] [RFC V5 05/62] qcow2: Create a way to link to l2 tables when deduplicating., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 08/62] qcow2: Implement qcow2_compute_cluster_hash., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 07/62] qcow2: Add qcow2_dedup_store_new_hashes., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 06/62] qcow2: Add qcow2_dedup and related functions, Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 10/62] qcow2: Add qcow2_dedup_grow_table and use it., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 09/62] qcow2: Extract qcow2_dedup_grow_table, Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 11/62] qcow2: Makes qcow2_alloc_cluster_link_l2 mark to deduplicate clusters., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 12/62] qcow2: make the deduplication forget a cluster hash when a cluster is to dedupe, Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 17/62] qcow2: Extract qcow2_add_feature and qcow2_remove_feature., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 18/62] block: Add qemu-img dedup create option., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 22/62] qcow2: Add qcow2_dedup_is_running to probe if dedup is running.,
Benoît Canet <=
- [Qemu-devel] [RFC V5 20/62] qcow2: Drop hash for a given cluster when dedup makes refcount > 2^16/2., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 19/62] qcow2: Add a deduplication boolean to update_refcount., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 27/62] qcow2: Add check_dedup_l2 in order to check l2 of dedup table., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 30/62] qcow2: Add lazy refcounts to deduplication to prevent qcow2_cache_set_dependency loops, Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 29/62] qcow2: Integrate SKEIN hash algorithm in deduplication., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 33/62] qemu-iotests: Filter dedup=on/off so existing tests don't break., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 31/62] qcow2: Use large L2 table for deduplication., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 32/62] qcow: Set large dedup hash block size., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 34/62] qcow2: Add qcow2_dedup_init and qcow2_dedup_close., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 36/62] qcow2: Enable the deduplication feature., Benoît Canet, 2013/01/16