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authorWen Congyang <wency@cn.fujitsu.com>2015-05-22 09:29:46 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2015-06-23 15:06:16 +0100
commitc6a8c3283f1d53e360073bdb32f87a97e78e2880 (patch)
treefb2710f814a4c5ddd36096ac781168ecb3adee6e /include/qemu/hbitmap.h
parent6e40b3bfc7e82823cf4df5f0bf668f56db41e53a (diff)
downloadfocaccia-qemu-c6a8c3283f1d53e360073bdb32f87a97e78e2880.tar.gz
focaccia-qemu-c6a8c3283f1d53e360073bdb32f87a97e78e2880.zip
util/hbitmap: Add an API to reset all set bits in hbitmap
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>
Diffstat (limited to 'include/qemu/hbitmap.h')
-rw-r--r--include/qemu/hbitmap.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/qemu/hbitmap.h b/include/qemu/hbitmap.h
index f0a85f8649..bb94a00c5f 100644
--- a/include/qemu/hbitmap.h
+++ b/include/qemu/hbitmap.h
@@ -132,6 +132,14 @@ 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.
  * @item: Bit to query (0-based).