[libvirt] [PATCH v3 03/10] block/dirty-bitmap: remove set/reset assertions against enabled bit

John Snow jsnow at redhat.com
Sat Feb 23 00:06:07 UTC 2019


bdrv_set_dirty_bitmap and bdrv_reset_dirty_bitmap are only used as an
internal API by the mirror and migration areas of our code. These
calls modify the bitmap, but do so at the behest of QEMU and not the
guest.

Presently, these bitmaps are always "enabled" anyway, but there's no
reason they have to be.

Modify these internal APIs to drop this assertion.

Signed-off-by: John Snow <jsnow at redhat.com>
---
 block/dirty-bitmap.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index aa3f86bb73..9ea5738420 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -542,7 +542,6 @@ int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter)
 void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
                                   int64_t offset, int64_t bytes)
 {
-    assert(bdrv_dirty_bitmap_enabled(bitmap));
     assert(!bdrv_dirty_bitmap_readonly(bitmap));
     hbitmap_set(bitmap->bitmap, offset, bytes);
 }
@@ -559,7 +558,6 @@ void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap,
 void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
                                     int64_t offset, int64_t bytes)
 {
-    assert(bdrv_dirty_bitmap_enabled(bitmap));
     assert(!bdrv_dirty_bitmap_readonly(bitmap));
     hbitmap_reset(bitmap->bitmap, offset, bytes);
 }
-- 
2.17.2




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