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block: Introduce bdrv_dirty_bitmap_granularity()
This returns the granularity (in bytes) of dirty bitmap, which matches the QMP interface and the existing query interface. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1429314609-29776-6-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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parent
341ebc2f81
commit
592fdd02ae
8
block.c
8
block.c
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@ -5575,8 +5575,7 @@ BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs)
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BlockDirtyInfo *info = g_new0(BlockDirtyInfo, 1);
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BlockDirtyInfoList *entry = g_new0(BlockDirtyInfoList, 1);
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info->count = bdrv_get_dirty_count(bs, bm);
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info->granularity =
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((uint32_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bm->bitmap));
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info->granularity = bdrv_dirty_bitmap_granularity(bm);
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info->has_name = !!bm->name;
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info->name = g_strdup(bm->name);
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entry->value = info;
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@ -5616,6 +5615,11 @@ uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs)
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return granularity;
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}
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uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap)
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{
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return BDRV_SECTOR_SIZE << hbitmap_granularity(bitmap->bitmap);
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}
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void bdrv_dirty_iter_init(BlockDriverState *bs,
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BdrvDirtyBitmap *bitmap, HBitmapIter *hbi)
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{
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@ -460,6 +460,7 @@ void bdrv_dirty_bitmap_make_anon(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
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void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
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BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs);
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uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs);
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uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap);
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int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t sector);
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void bdrv_set_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
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int64_t cur_sector, int nr_sectors);
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