From 7ae89a0de945616fcde5947cec5aecb8dce07d81 Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Fri, 22 May 2020 01:06:44 +0300 Subject: [PATCH] block/dirty-bitmap: add bdrv_has_named_bitmaps helper To be used for bitmap migration in further commit. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Andrey Shinkevich Reviewed-by: Eric Blake Message-Id: <20200521220648.3255-3-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake --- block/dirty-bitmap.c | 13 +++++++++++++ include/block/dirty-bitmap.h | 1 + 2 files changed, 14 insertions(+) diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index f9bfc77985..c01319b188 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -818,6 +818,19 @@ bool bdrv_has_readonly_bitmaps(BlockDriverState *bs) return false; } +bool bdrv_has_named_bitmaps(BlockDriverState *bs) +{ + BdrvDirtyBitmap *bm; + + QLIST_FOREACH(bm, &bs->dirty_bitmaps, list) { + if (bdrv_dirty_bitmap_name(bm)) { + return true; + } + } + + return false; +} + /* Called with BQL taken. */ void bdrv_dirty_bitmap_set_persistence(BdrvDirtyBitmap *bitmap, bool persistent) { diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 5a8d52e4de..36e8da4fc2 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -95,6 +95,7 @@ int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap); void bdrv_dirty_bitmap_truncate(BlockDriverState *bs, int64_t bytes); bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap); bool bdrv_has_readonly_bitmaps(BlockDriverState *bs); +bool bdrv_has_named_bitmaps(BlockDriverState *bs); bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_get_persistence(BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_inconsistent(const BdrvDirtyBitmap *bitmap); -- 2.11.4.GIT