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[Qemu-devel] [RFC V5 58/62] qcow2: Add qcow2_resume_dedup.
From: |
Benoît Canet |
Subject: |
[Qemu-devel] [RFC V5 58/62] qcow2: Add qcow2_resume_dedup. |
Date: |
Wed, 16 Jan 2013 16:48:37 +0100 |
---
block/qcow2-dedup.c | 14 ++++++++++++++
block/qcow2.c | 1 +
block/qcow2.h | 1 +
3 files changed, 16 insertions(+)
diff --git a/block/qcow2-dedup.c b/block/qcow2-dedup.c
index e007387..93545af 100644
--- a/block/qcow2-dedup.c
+++ b/block/qcow2-dedup.c
@@ -1469,3 +1469,17 @@ void qcow2_pause_dedup(BlockDriverState *bs)
qcow2_dedup_reset(bs);
s->dedup_status = QCOW_DEDUP_STOPPED;
}
+
+void qcow2_resume_dedup(BlockDriverState *bs)
+{
+ BDRVQcowState *s = bs->opaque;
+
+ if (s->dedup_status != QCOW_DEDUP_STOPPED) {
+ return;
+ }
+
+ s->dedup_status = QCOW_DEDUP_STARTING;
+
+ s->dedup_resume_co = qemu_coroutine_create(qcow2_co_dedup_resume);
+ qemu_coroutine_enter(s->dedup_resume_co, bs);
+}
diff --git a/block/qcow2.c b/block/qcow2.c
index c17ab63..d5681ad 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2012,6 +2012,7 @@ static BlockDriver bdrv_qcow2 = {
.bdrv_invalidate_cache = qcow2_invalidate_cache,
.bdrv_pause_dedup = qcow2_pause_dedup,
+ .bdrv_resume_dedup = qcow2_resume_dedup,
.create_options = qcow2_create_options,
.bdrv_check = qcow2_check,
diff --git a/block/qcow2.h b/block/qcow2.h
index 5940c89..2b5a7d4 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -512,5 +512,6 @@ int qcow2_dedup_init(BlockDriverState *bs);
void qcow2_dedup_close(BlockDriverState *bs);
void qcow2_dedup_update_metrics(BlockDriverState *bs);
void qcow2_pause_dedup(BlockDriverState *bs);
+void qcow2_resume_dedup(BlockDriverState *bs);
#endif
--
1.7.10.4
- [Qemu-devel] [RFC V5 39/62] qcow2: Collect unaligned writes missing data reads metric., (continued)
- [Qemu-devel] [RFC V5 39/62] qcow2: Collect unaligned writes missing data reads metric., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 59/62] qcow2: Make dedup status persists., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 21/62] qcow2: Remove hash when cluster is deleted., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 51/62] block: Add BlockDriver function prototype to pause and resume deduplication., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 37/62] qcow2: Add deduplication metrics structures., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 24/62] qcow2: Serialize write requests when deduplication is activated., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 26/62] qcow2: Adapt checking of QCOW_OFLAG_COPIED for dedup., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 40/62] qcow2: Collect deduplicated cluster metric., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 57/62] qcow2: Add qcow2_pause_dedup., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 16/62] qcow2-cache: Allow to choose table size at creation., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 58/62] qcow2: Add qcow2_resume_dedup.,
Benoît Canet <=
- [Qemu-devel] [RFC V5 60/62] qerror: Add QERR_DEVICE_NOT_DEDUPLICATED., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 28/62] qcow2: Do not overwrite existing entries with QCOW_OFLAG_COPIED., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 15/62] qcow2: Extract qcow2_do_table_init., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 43/62] qcow2: Count QCowHashNode removal from tree for metrics., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 23/62] qcow2: Integrate deduplication in qcow2_co_writev loop., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 14/62] qcow2: Load and save deduplication table header extension., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 13/62] qcow2: Create qcow2_is_cluster_to_dedup., Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 44/62] qcow2: Count cluster deleted metric, Benoît Canet, 2013/01/16
- [Qemu-devel] [RFC V5 56/62] block: Add bdrv_pause_dedup., Benoît Canet, 2013/01/16