From 177541e671b439c358f816f8d8b98031a7e93540 Mon Sep 17 00:00:00 2001
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Date: Thu, 3 Mar 2022 20:43:38 +0100
Subject: [PATCH] block/block-copy: add block_copy_reset()
Split block_copy_reset() out of block_copy_reset_unallocated() to be
used separately later.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220303194349.2304213-6-vsementsov@virtuozzo.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
---
block/block-copy.c | 21 +++++++++++++--------
include/block/block-copy.h | 1 +
2 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/block/block-copy.c b/block/block-copy.c
index 8aa6ee6a5c8..0834e29b6e3 100644
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -692,6 +692,18 @@ static int block_copy_is_cluster_allocated(BlockCopyState *s, int64_t offset,
}
}
+void block_copy_reset(BlockCopyState *s, int64_t offset, int64_t bytes)
+{
+ QEMU_LOCK_GUARD(&s->lock);
+
+ bdrv_reset_dirty_bitmap(s->copy_bitmap, offset, bytes);
+ if (s->progress) {
+ progress_set_remaining(s->progress,
+ bdrv_get_dirty_count(s->copy_bitmap) +
+ s->in_flight_bytes);
+ }
+}
+
/*
* Reset bits in copy_bitmap starting at offset if they represent unallocated
* data in the image. May reset subsequent contiguous bits.
@@ -712,14 +724,7 @@ int64_t block_copy_reset_unallocated(BlockCopyState *s,
bytes = clusters * s->cluster_size;
if (!ret) {
- qemu_co_mutex_lock(&s->lock);
- bdrv_reset_dirty_bitmap(s->copy_bitmap, offset, bytes);
- if (s->progress) {
- progress_set_remaining(s->progress,
- bdrv_get_dirty_count(s->copy_bitmap) +
- s->in_flight_bytes);
- }
- qemu_co_mutex_unlock(&s->lock);
+ block_copy_reset(s, offset, bytes);
}
*count = bytes;
diff --git a/include/block/block-copy.h b/include/block/block-copy.h
index b80ad022997..68bbd344b2c 100644
--- a/include/block/block-copy.h
+++ b/include/block/block-copy.h
@@ -35,6 +35,7 @@ void block_copy_set_progress_meter(BlockCopyState *s, ProgressMeter *pm);
void block_copy_state_free(BlockCopyState *s);
+void block_copy_reset(BlockCopyState *s, int64_t offset, int64_t bytes);
int64_t block_copy_reset_unallocated(BlockCopyState *s,
int64_t offset, int64_t *count);
--
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