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[Qemu-devel] [PATCH v2 4/9] block: Introduce bdrv_dirty_bitmap_granulari
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v2 4/9] block: Introduce bdrv_dirty_bitmap_granularity() |
Date: |
Wed, 12 Mar 2014 14:30:59 +0800 |
This returns the granularity (in sectors) of dirty bitmap.
Signed-off-by: Fam Zheng <address@hidden>
---
block.c | 6 ++++++
include/block/block.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/block.c b/block.c
index 9de1385..26a43eb 100644
--- a/block.c
+++ b/block.c
@@ -5143,6 +5143,12 @@ 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 aa0c5e4..b87c071 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -446,6 +446,8 @@ 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);
--
1.9.0
- [Qemu-devel] [PATCH v2 0/9] QMP: Introduce incremental drive-backup with in-memory dirty bitmap, Fam Zheng, 2014/03/12
- [Qemu-devel] [PATCH v2 3/9] block: Handle error of bdrv_getlength in bdrv_create_dirty_bitmap, Fam Zheng, 2014/03/12
- [Qemu-devel] [PATCH v2 1/9] qapi: Add optional field "name" to block dirty bitmap, Fam Zheng, 2014/03/12
- [Qemu-devel] [PATCH v2 4/9] block: Introduce bdrv_dirty_bitmap_granularity(),
Fam Zheng <=
- [Qemu-devel] [PATCH v2 5/9] hbitmap: Add hbitmap_copy, Fam Zheng, 2014/03/12
- [Qemu-devel] [PATCH v2 6/9] block: Add bdrv_copy_dirty_bitmap and bdrv_reset_dirty_bitmap, Fam Zheng, 2014/03/12
- [Qemu-devel] [PATCH v2 7/9] qmp: Add dirty-bitmap-enable and dirty-bitmap-disable, Fam Zheng, 2014/03/12