diff options
Diffstat (limited to 'block/dirty-bitmap.c')
| -rw-r--r-- | block/dirty-bitmap.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 17d3068336..06dc7a3ac9 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -52,6 +52,8 @@ struct BdrvDirtyBitmap { Such operations must fail and both the image and this bitmap must remain unchanged while this flag is set. */ + bool autoload; /* For persistent bitmaps: bitmap must be + autoloaded on image opening */ QLIST_ENTRY(BdrvDirtyBitmap) list; }; @@ -100,6 +102,7 @@ void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap) assert(!bdrv_dirty_bitmap_frozen(bitmap)); g_free(bitmap->name); bitmap->name = NULL; + bitmap->autoload = false; } /* Called with BQL taken. */ @@ -296,6 +299,8 @@ BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs, bitmap->name = NULL; successor->name = name; bitmap->successor = NULL; + successor->autoload = bitmap->autoload; + bitmap->autoload = false; bdrv_release_dirty_bitmap(bs, bitmap); return successor; @@ -671,3 +676,16 @@ bool bdrv_has_readonly_bitmaps(BlockDriverState *bs) return false; } + +/* Called with BQL taken. */ +void bdrv_dirty_bitmap_set_autoload(BdrvDirtyBitmap *bitmap, bool autoload) +{ + qemu_mutex_lock(bitmap->mutex); + bitmap->autoload = autoload; + qemu_mutex_unlock(bitmap->mutex); +} + +bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap) +{ + return bitmap->autoload; +} |