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block: allow customizing the granularity of the dirty bitmap

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Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-01-21 17:09:45 +01:00 • committed by Kevin Wolf
parent acc906c6c5
commit 50717e941b
5 changed files with 21 additions and 24 deletions
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5
include/block/block.h
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@ -355,11 +355,8 @@ void bdrv_set_buffer_alignment(BlockDriverState *bs, int align);
void *qemu_blockalign(BlockDriverState *bs, size_t size);
bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov);
#define BDRV_SECTORS_PER_DIRTY_CHUNK (1 << BDRV_LOG_SECTORS_PER_DIRTY_CHUNK)
#define BDRV_LOG_SECTORS_PER_DIRTY_CHUNK 11
struct HBitmapIter;
void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable);
void bdrv_set_dirty_tracking(BlockDriverState *bs, int granularity);
int bdrv_get_dirty(BlockDriverState *bs, 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);