[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 14/22] block: add bdrv_load_dirty_bitmap()
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH 14/22] block: add bdrv_load_dirty_bitmap() |
Date: |
Tue, 15 Mar 2016 23:04:20 +0300 |
The funcion loads dirty bitmap from file, using underlying driver
function.
Note: the function doesn't change BdrvDirtyBitmap.file field. This field
is only used by bdrv_store_dirty_bitmap() function and is ONLY written
by bdrv_dirty_bitmap_set_file() function.
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
block/dirty-bitmap.c | 16 ++++++++++++++++
include/block/dirty-bitmap.h | 2 ++
2 files changed, 18 insertions(+)
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index c9e999f..87ee4d7 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -469,3 +469,19 @@ void
bdrv_finalize_persistent_dirty_bitmaps(BlockDriverState *bs)
}
}
}
+
+BdrvDirtyBitmap *bdrv_load_dirty_bitmap(BlockDriverState *bs, const char *name,
+ Error **errp)
+{
+ BlockDriver *drv = bs->drv;
+ if (!drv) {
+ return NULL;
+ }
+ if (drv->bdrv_dirty_bitmap_load) {
+ return drv->bdrv_dirty_bitmap_load(bs, name, errp);
+ }
+ if (bs->file) {
+ return bdrv_load_dirty_bitmap(bs, name, errp);
+ }
+ return NULL;
+}
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index 37b5f23..66ba3f8 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -59,5 +59,7 @@ void
bdrv_dirty_bitmap_set_internal_persistance(BdrvDirtyBitmap *bitmap,
void bdrv_store_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
Error **errp);
void bdrv_finalize_persistent_dirty_bitmaps(BlockDriverState *bs);
+BdrvDirtyBitmap *bdrv_load_dirty_bitmap(BlockDriverState *bs, const char *name,
+ Error **errp);
#endif
--
1.8.3.1
- Re: [Qemu-devel] [PATCH 06/22] hbitmap: load/store, (continued)
- [Qemu-devel] [PATCH 08/22] qcow2-dirty-bitmap: read dirty bitmap directory, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 09/22] qcow2-dirty-bitmap: add qcow2_bitmap_load(), Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 11/22] qcow2: add dirty bitmaps extension, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 10/22] qcow2-dirty-bitmap: add qcow2_bitmap_store(), Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 12/22] qcow2-dirty-bitmap: add qcow2_bitmap_load_check(), Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 13/22] block: store persistent dirty bitmaps, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 15/22] qcow2-dirty-bitmap: add autoclear bit, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 14/22] block: add bdrv_load_dirty_bitmap(),
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH 16/22] qemu: command line option for dirty bitmaps, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 19/22] iotests: add VM.test_launcn(), Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 17/22] qcow2-dirty-bitmap: add IN_USE flag, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 18/22] qcow2-dirty-bitmaps: disallow stroing bitmap to other bs, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 21/22] qcow2-dirty-bitmap: add AUTO flag, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 22/22] qcow2-dirty-bitmap: add EXTRA_DATA_COMPATIBLE flag, Vladimir Sementsov-Ogievskiy, 2016/03/15
- [Qemu-devel] [PATCH 20/22] iotests: test internal persistent dirty bitmap, Vladimir Sementsov-Ogievskiy, 2016/03/15