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[PATCH v3 01/19] block/block-copy: move copy_bitmap initialization to bl
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[PATCH v3 01/19] block/block-copy: move copy_bitmap initialization to block_copy_state_new() |
Date: |
Wed, 22 Dec 2021 18:40:00 +0100 |
We are going to complicate bitmap initialization in the further
commit. And in future, backup job will be able to work without filter
(when source is immutable), so we'll need same bitmap initialization in
copy-before-write filter and in backup job. So, it's reasonable to do
it in block-copy.
Note that for now cbw_open() is the only caller of
block_copy_state_new().
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
block/block-copy.c | 1 +
block/copy-before-write.c | 4 ----
2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/block/block-copy.c b/block/block-copy.c
index ce116318b5..abda7a80bd 100644
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -402,6 +402,7 @@ BlockCopyState *block_copy_state_new(BdrvChild *source,
BdrvChild *target,
return NULL;
}
bdrv_disable_dirty_bitmap(copy_bitmap);
+ bdrv_set_dirty_bitmap(copy_bitmap, 0, bdrv_dirty_bitmap_size(copy_bitmap));
/*
* If source is in backing chain of target assume that target is going to
be
diff --git a/block/copy-before-write.c b/block/copy-before-write.c
index c30a5ff8de..5bdaf0a9d9 100644
--- a/block/copy-before-write.c
+++ b/block/copy-before-write.c
@@ -149,7 +149,6 @@ static int cbw_open(BlockDriverState *bs, QDict *options,
int flags,
Error **errp)
{
BDRVCopyBeforeWriteState *s = bs->opaque;
- BdrvDirtyBitmap *copy_bitmap;
bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
@@ -177,9 +176,6 @@ static int cbw_open(BlockDriverState *bs, QDict *options,
int flags,
return -EINVAL;
}
- copy_bitmap = block_copy_dirty_bitmap(s->bcs);
- bdrv_set_dirty_bitmap(copy_bitmap, 0, bdrv_dirty_bitmap_size(copy_bitmap));
-
return 0;
}
--
2.31.1
- [PATCH v3 00/19] Make image fleecing more usable, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 07/19] block/dirty-bitmap: introduce bdrv_dirty_bitmap_status(), Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 01/19] block/block-copy: move copy_bitmap initialization to block_copy_state_new(),
Vladimir Sementsov-Ogievskiy <=
- [PATCH v3 08/19] block/reqlist: add reqlist_wait_all(), Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 02/19] block/dirty-bitmap: bdrv_merge_dirty_bitmap(): add return value, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 04/19] block/copy-before-write: add bitmap open parameter, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 03/19] block/block-copy: block_copy_state_new(): add bitmap parameter, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 05/19] block/block-copy: add block_copy_reset(), Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 12/19] block/block-copy: add write-unchanged mode, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 10/19] block: introduce fleecing block driver, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 06/19] block: intoduce reqlist, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 11/19] block/copy-before-write: support fleecing block driver, Vladimir Sementsov-Ogievskiy, 2021/12/22
- [PATCH v3 13/19] block/copy-before-write: use write-unchanged in fleecing mode, Vladimir Sementsov-Ogievskiy, 2021/12/22