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[Qemu-block] [PATCH RESEND 05/17] block: Introduce bdrv_dirty_bitmap_gra
From: |
John Snow |
Subject: |
[Qemu-block] [PATCH RESEND 05/17] block: Introduce bdrv_dirty_bitmap_granularity() |
Date: |
Fri, 27 Feb 2015 19:47:45 -0500 |
This returns the granularity (in bytes) of dirty bitmap,
which matches the QMP interface and the existing query
interface.
Signed-off-by: John Snow <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
block.c | 8 ++++++--
include/block/block.h | 1 +
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/block.c b/block.c
index c627448..9a82826 100644
--- a/block.c
+++ b/block.c
@@ -5478,8 +5478,7 @@ BlockDirtyInfoList
*bdrv_query_dirty_bitmaps(BlockDriverState *bs)
BlockDirtyInfo *info = g_new0(BlockDirtyInfo, 1);
BlockDirtyInfoList *entry = g_new0(BlockDirtyInfoList, 1);
info->count = bdrv_get_dirty_count(bs, bm);
- info->granularity =
- ((uint32_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bm->bitmap));
+ info->granularity = bdrv_dirty_bitmap_granularity(bm);
info->has_name = !!bm->name;
info->name = g_strdup(bm->name);
entry->value = info;
@@ -5519,6 +5518,11 @@ uint32_t
bdrv_get_default_bitmap_granularity(BlockDriverState *bs)
return granularity;
}
+uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap)
+{
+ return BDRV_SECTOR_SIZE << 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 b2d019b..2a11fbc 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -460,6 +460,7 @@ 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);
uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs);
+uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap);
int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t
sector);
void bdrv_set_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
int64_t cur_sector, int nr_sectors);
--
1.9.3
- [Qemu-block] [PATCH RESEND 00/17] block: transactionless incremental backup series, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 04/17] qmp: Add block-dirty-bitmap-add and block-dirty-bitmap-remove, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 05/17] block: Introduce bdrv_dirty_bitmap_granularity(),
John Snow <=
- [Qemu-block] [PATCH RESEND 02/17] qapi: Add optional field "name" to block dirty bitmap, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 07/17] block: Add bitmap disabled status, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 03/17] qmp: Ensure consistent granularity type, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 08/17] block: Add bitmap successors, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 09/17] qmp: Add support of "dirty-bitmap" sync mode for drive-backup, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 14/17] block: Resize bitmaps on bdrv_truncate, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 10/17] qmp: add block-dirty-bitmap-clear, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 06/17] hbitmap: add hbitmap_merge, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 01/17] docs: incremental backup documentation, John Snow, 2015/02/28
- [Qemu-block] [PATCH RESEND 12/17] block: add BdrvDirtyBitmap documentation, John Snow, 2015/02/28