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util/hbitmap: Add an API to reset all set bits in hbitmap

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The function bdrv_clear_dirty_bitmap() is updated to use
faster hbitmap_reset_all() call.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 555E868A.60506@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Wen Congyang 2015-05-22 09:29:46 +08:00 • committed by Stefan Hajnoczi
parent 6e40b3bfc7
commit c6a8c3283f
4 changed files with 60 additions and 1 deletions
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8
include/qemu/hbitmap.h
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@ -131,6 +131,14 @@ void hbitmap_set(HBitmap *hb, uint64_t start, uint64_t count);
*/
void hbitmap_reset(HBitmap *hb, uint64_t start, uint64_t count);
/**
* hbitmap_reset_all:
* @hb: HBitmap to operate on.
*
* Reset all bits in an HBitmap.
*/
void hbitmap_reset_all(HBitmap *hb);
/**
* hbitmap_get:
* @hb: HBitmap to operate on.