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[Qemu-devel] [RFC PATCH 02/12] qcow2/dirty-bitmap: cache loaded bitmaps
From: |
John Snow |
Subject: |
[Qemu-devel] [RFC PATCH 02/12] qcow2/dirty-bitmap: cache loaded bitmaps |
Date: |
Fri, 11 May 2018 21:25:27 -0400 |
For bitmaps that we succeeded in loading, we can cache a reference
to that object. This will let us iterate over the more convenient
form of in-memory bitmaps for qemu-img bitmap manipulation tools.
Signed-off-by: John Snow <address@hidden>
---
block/qcow2-bitmap.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c
index fb0a4f3ec4..d89758f235 100644
--- a/block/qcow2-bitmap.c
+++ b/block/qcow2-bitmap.c
@@ -986,6 +986,7 @@ bool qcow2_load_dirty_bitmaps(BlockDriverState *bs, Error
**errp)
if (bitmap == NULL) {
goto fail;
}
+ bm->dirty_bitmap = bitmap;
if (!(bm->flags & BME_FLAG_AUTO)) {
bdrv_disable_dirty_bitmap(bitmap);
--
2.14.3
- [Qemu-devel] [RFC PATCH 00/12] qemu-img: add bitmap queries, John Snow, 2018/05/11
- [Qemu-devel] [RFC PATCH 02/12] qcow2/dirty-bitmap: cache loaded bitmaps,
John Snow <=
- [Qemu-devel] [RFC PATCH 05/12] qcow2-bitmap: track bitmap type, John Snow, 2018/05/11
- [Qemu-devel] [RFC PATCH 09/12] qapi/block-core: add BitmapMapping and BitmapEntry structs, John Snow, 2018/05/11
- [Qemu-devel] [RFC PATCH 12/12] qemu-img: add bitmap clear, John Snow, 2018/05/11
- [Qemu-devel] [RFC PATCH 04/12] qcow2/dirty-bitmaps: load IN_USE bitmaps if disk is RO, John Snow, 2018/05/11
- [Qemu-devel] [RFC PATCH 03/12] block/qcow2-bitmap: avoid adjusting bm->flags for RO bitmaps, John Snow, 2018/05/11