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[Qemu-devel] [PULL 20/23] block: BdrvDirtyBitmap serialization interface
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PULL 20/23] block: BdrvDirtyBitmap serialization interface |
Date: |
Mon, 24 Oct 2016 19:02:08 +0200 |
From: Vladimir Sementsov-Ogievskiy <address@hidden>
Several functions to provide necessary access to BdrvDirtyBitmap for
block-migration.c
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
[Add the "finish" parameters. - Fam]
Signed-off-by: Fam Zheng <address@hidden>
Reviewed-by: John Snow <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Signed-off-by: John Snow <address@hidden>
Message-id: address@hidden
Signed-off-by: Max Reitz <address@hidden>
---
block/dirty-bitmap.c | 37 +++++++++++++++++++++++++++++++++++++
include/block/dirty-bitmap.h | 14 ++++++++++++++
2 files changed, 51 insertions(+)
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index 31d5296..384146b 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -453,6 +453,43 @@ void bdrv_undo_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap,
HBitmap *in)
hbitmap_free(tmp);
}
+uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
+ uint64_t start, uint64_t count)
+{
+ return hbitmap_serialization_size(bitmap->bitmap, start, count);
+}
+
+uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap)
+{
+ return hbitmap_serialization_granularity(bitmap->bitmap);
+}
+
+void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
+ uint8_t *buf, uint64_t start,
+ uint64_t count)
+{
+ hbitmap_serialize_part(bitmap->bitmap, buf, start, count);
+}
+
+void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap,
+ uint8_t *buf, uint64_t start,
+ uint64_t count, bool finish)
+{
+ hbitmap_deserialize_part(bitmap->bitmap, buf, start, count, finish);
+}
+
+void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
+ uint64_t start, uint64_t count,
+ bool finish)
+{
+ hbitmap_deserialize_zeroes(bitmap->bitmap, start, count, finish);
+}
+
+void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap)
+{
+ hbitmap_deserialize_finish(bitmap->bitmap);
+}
+
void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector,
int64_t nr_sectors)
{
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index c4e7858..efc2965 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -55,4 +55,18 @@ void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t
sector_num);
int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);
void bdrv_dirty_bitmap_truncate(BlockDriverState *bs);
+uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
+ uint64_t start, uint64_t count);
+uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap);
+void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
+ uint8_t *buf, uint64_t start,
+ uint64_t count);
+void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap,
+ uint8_t *buf, uint64_t start,
+ uint64_t count, bool finish);
+void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
+ uint64_t start, uint64_t count,
+ bool finish);
+void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
+
#endif
--
1.8.3.1
- [Qemu-devel] [PULL 15/23] tests: Add test code for meta bitmap, (continued)
- [Qemu-devel] [PULL 15/23] tests: Add test code for meta bitmap, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 07/23] qemu-iotests: Test I/O in a single drive from a throttling group, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 16/23] block: Support meta dirty bitmap, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 18/23] block: Assert that bdrv_release_dirty_bitmap succeeded, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 19/23] hbitmap: serialization, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 11/23] quorum: change child_iter to children_read, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 12/23] quorum: do not allocate multiple iovecs for FIFO strategy, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 14/23] HBitmap: Introduce "meta" bitmap to track bit changes, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 22/23] block: More operations for meta dirty bitmap, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 21/23] tests: Add test code for hbitmap serialization, Kevin Wolf, 2016/10/24
- [Qemu-devel] [PULL 20/23] block: BdrvDirtyBitmap serialization interface,
Kevin Wolf <=
- [Qemu-devel] [PULL 23/23] block/replication: Clarify 'top-id' parameter usage, Kevin Wolf, 2016/10/24
- Re: [Qemu-devel] [PULL 00/23] Block layer patches, Peter Maydell, 2016/10/24
- [Qemu-devel] [PULL 00/23] Block layer patches, Kevin Wolf, 2016/10/27
- [Qemu-devel] [PULL 01/23] block: Use blk_co_flush() for all BB level flushes, Kevin Wolf, 2016/10/27
- [Qemu-devel] [PULL 03/23] block: Remove bdrv_aio_pdiscard(), Kevin Wolf, 2016/10/27
- [Qemu-devel] [PULL 02/23] block: Use blk_co_pdiscard() for all BB level discard, Kevin Wolf, 2016/10/27
- [Qemu-devel] [PULL 04/23] block: Use blk_co_ioctl() for all BB level ioctls, Kevin Wolf, 2016/10/27
- [Qemu-devel] [PULL 05/23] raw-posix: Don't use bdrv_ioctl(), Kevin Wolf, 2016/10/27
- [Qemu-devel] [PULL 06/23] block: Remove bdrv_ioctl(), Kevin Wolf, 2016/10/27
- [Qemu-devel] [PULL 07/23] block: Introduce .bdrv_co_ioctl() driver callback, Kevin Wolf, 2016/10/27