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| author | Max Reitz | 2018-06-13 20:18:16 +0200 |
|---|---|---|
| committer | Max Reitz | 2018-06-18 17:04:55 +0200 |
| commit | a33fbb4f8b64226becf502a123733776ce319b24 (patch) | |
| tree | f561b258d5c978b7dfd957aefd489d95482ae744 /include | |
| parent | block: Generalize should_update_child() rule (diff) | |
| download | qemu-a33fbb4f8b64226becf502a123733776ce319b24.tar.gz qemu-a33fbb4f8b64226becf502a123733776ce319b24.tar.xz qemu-a33fbb4f8b64226becf502a123733776ce319b24.zip | |
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.h | 5 |
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: |