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authorMax Reitz <mreitz@redhat.com>2018-06-13 20:18:16 +0200
committerMax Reitz <mreitz@redhat.com>2018-06-18 17:04:55 +0200
commita33fbb4f8b64226becf502a123733776ce319b24 (patch)
treef561b258d5c978b7dfd957aefd489d95482ae744 /include
parentec9f10fe064f2abb9dc60a9fa580d8d0933f2acf (diff)
hbitmap: Add @advance param to hbitmap_iter_next()
This new parameter allows the caller to just query the next dirty position without moving the iterator. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 20180613181823.13618-8-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/qemu/hbitmap.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/qemu/hbitmap.h b/include/qemu/hbitmap.h
index 6b6490ecad..ddca52c48e 100644
--- a/include/qemu/hbitmap.h
+++ b/include/qemu/hbitmap.h
@@ -324,11 +324,14 @@ void hbitmap_free_meta(HBitmap *hb);
/**
* hbitmap_iter_next:
* @hbi: HBitmapIter to operate on.
+ * @advance: If true, advance the iterator. Otherwise, the next call
+ * of this function will return the same result (if that
+ * position is still dirty).
*
* Return the next bit that is set in @hbi's associated HBitmap,
* or -1 if all remaining bits are zero.
*/
-int64_t hbitmap_iter_next(HBitmapIter *hbi);
+int64_t hbitmap_iter_next(HBitmapIter *hbi, bool advance);
/**
* hbitmap_iter_next_word: