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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2020-05-22 01:06:44 +0300 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2020-05-28 13:15:22 -0500 |
| commit | 7ae89a0de945616fcde5947cec5aecb8dce07d81 (patch) | |
| tree | 3f491af0f124e09ece7a88bf07aabe39d92a7950 | |
| parent | 38908bbc65bcabf110dcc87a84c518e3e6d9a183 (diff) | |
| download | qemu-7ae89a0de945616fcde5947cec5aecb8dce07d81.zip qemu-7ae89a0de945616fcde5947cec5aecb8dce07d81.tar.gz qemu-7ae89a0de945616fcde5947cec5aecb8dce07d81.tar.bz2 | |
block/dirty-bitmap: add bdrv_has_named_bitmaps helper
To be used for bitmap migration in further commit.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200521220648.3255-3-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
| -rw-r--r-- | block/dirty-bitmap.c | 13 | ||||
| -rw-r--r-- | include/block/dirty-bitmap.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index f9bfc77..c01319b 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 5a8d52e..36e8da4 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); |