Commit 7ae89a0d authored by Vladimir Sementsov-Ogievskiy's avatar Vladimir Sementsov-Ogievskiy Committed by Eric Blake
Browse files

block/dirty-bitmap: add bdrv_has_named_bitmaps helper 



To be used for bitmap migration in further commit.

Signed-off-by: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: default avatarAndrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Message-Id: <20200521220648.3255-3-vsementsov@virtuozzo.com>
Signed-off-by: default avatarEric Blake <eblake@redhat.com>
parent 38908bbc

block/dirty-bitmap.c

+13 −0
Original line number Diff line number Diff line
@@ -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)

{

include/block/dirty-bitmap.h

+1 −0
Original line number Diff line number Diff line
@@ -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);