diff options
| -rw-r--r-- | block/dirty-bitmap.c | 55 | ||||
| -rw-r--r-- | include/block/dirty-bitmap.h | 2 |
2 files changed, 0 insertions, 57 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index c1518373f9..4d9a8af17d 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -518,61 +518,6 @@ int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter) return hbitmap_iter_next(&iter->hbi, true); } -/** - * Return the next consecutively dirty area in the dirty bitmap - * belonging to the given iterator @iter. - * - * @max_offset: Maximum value that may be returned for - * *offset + *bytes - * @offset: Will contain the start offset of the next dirty area - * @bytes: Will contain the length of the next dirty area - * - * Returns: True if a dirty area could be found before max_offset - * (which means that *offset and *bytes then contain valid - * values), false otherwise. - * - * Note that @iter is never advanced if false is returned. If an area - * is found (which means that true is returned), it will be advanced - * past that area. - */ -bool bdrv_dirty_iter_next_area(BdrvDirtyBitmapIter *iter, uint64_t max_offset, - uint64_t *offset, int *bytes) -{ - uint32_t granularity = bdrv_dirty_bitmap_granularity(iter->bitmap); - uint64_t gran_max_offset; - int64_t ret; - int size; - - if (max_offset == iter->bitmap->size) { - /* If max_offset points to the image end, round it up by the - * bitmap granularity */ - gran_max_offset = ROUND_UP(max_offset, granularity); - } else { - gran_max_offset = max_offset; - } - - ret = hbitmap_iter_next(&iter->hbi, false); - if (ret < 0 || ret + granularity > gran_max_offset) { - return false; - } - - *offset = ret; - size = 0; - - assert(granularity <= INT_MAX); - - do { - /* Advance iterator */ - ret = hbitmap_iter_next(&iter->hbi, true); - size += granularity; - } while (ret + granularity <= gran_max_offset && - hbitmap_iter_next(&iter->hbi, false) == ret + granularity && - size <= INT_MAX - granularity); - - *bytes = MIN(size, max_offset - *offset); - return true; -} - /* Called within bdrv_dirty_bitmap_lock..unlock */ void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap, int64_t offset, int64_t bytes) diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 4ef00ca6ba..04a117fc81 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -83,8 +83,6 @@ void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap, void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap, int64_t offset, int64_t bytes); int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter); -bool bdrv_dirty_iter_next_area(BdrvDirtyBitmapIter *iter, uint64_t max_offset, - uint64_t *offset, int *bytes); void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t offset); int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap); int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap); |