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[Qemu-devel] [PATCH v4 4/9] block: Introduce bdrv_dirty_bitmap_granulari
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v4 4/9] block: Introduce bdrv_dirty_bitmap_granularity() |
Date: |
Thu, 27 Mar 2014 17:09:43 +0800 |
This returns the granularity (in sectors) of dirty bitmap.
Signed-off-by: Fam Zheng <address@hidden>
Reviewed-by: Benoit Canet <address@hidden>
---
block.c | 6 ++++++
include/block/block.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/block.c b/block.c
index b5265bb..6b82bf0 100644
--- a/block.c
+++ b/block.c
@@ -5173,6 +5173,12 @@ int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap
*bitmap, int64_t sector
}
}
+int bdrv_dirty_bitmap_granularity(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap)
+{
+ return hbitmap_granularity(bitmap->bitmap);
+}
+
void bdrv_dirty_iter_init(BlockDriverState *bs,
BdrvDirtyBitmap *bitmap, HBitmapIter *hbi)
{
diff --git a/include/block/block.h b/include/block/block.h
index aa30b2a..ed85f85 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -437,6 +437,8 @@ BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState
*bs,
void bdrv_dirty_bitmap_make_anon(BlockDriverState *bs, BdrvDirtyBitmap
*bitmap);
void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs);
+int bdrv_dirty_bitmap_granularity(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap);
int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t
sector);
void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, int nr_sectors);
void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector, int
nr_sectors);
--
1.9.1
- [Qemu-devel] [PATCH v4 0/9] QMP: Introduce incremental drive-backup with in-memory dirty bitmap, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 1/9] qapi: Add optional field "name" to block dirty bitmap, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 2/9] qmp: Add dirty-bitmap-add and dirty-bitmap-remove, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 4/9] block: Introduce bdrv_dirty_bitmap_granularity(),
Fam Zheng <=
- [Qemu-devel] [PATCH v4 5/9] hbitmap: Add hbitmap_copy, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 6/9] block: Add bdrv_copy_dirty_bitmap and bdrv_reset_dirty_bitmap, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 7/9] qmp: Add dirty-bitmap-enable and dirty-bitmap-disable, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 8/9] qmp: Add support of "dirty-bitmap" sync mode for drive-backup, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 9/9] qapi: Add transaction support to dirty-bitmap-{add, disable}, Fam Zheng, 2014/03/27
- [Qemu-devel] [PATCH v4 3/9] block: Handle error of bdrv_getlength in bdrv_create_dirty_bitmap, Fam Zheng, 2014/03/27