[PULL 46/53] block/block-copy: drop unused argument of block_copy()

[Max Reitz <mreitz@redhat.com>]

From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210116214705.822267-21-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 include/block/block-copy.h |  2 +-
 block/backup-top.c         |  2 +-
 block/block-copy.c         | 10 ++--------
 3 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/include/block/block-copy.h b/include/block/block-copy.h
index 1cbea0b79b..338f2ea7fd 100644
--- a/include/block/block-copy.h
+++ b/include/block/block-copy.h
@@ -35,7 +35,7 @@ int64_t block_copy_reset_unallocated(BlockCopyState *s,
                                      int64_t offset, int64_t *count);
 
 int coroutine_fn block_copy(BlockCopyState *s, int64_t offset, int64_t bytes,
-                            bool ignore_ratelimit, bool *error_is_read);
+                            bool ignore_ratelimit);
 
 /*
  * Run block-copy in a coroutine, create corresponding BlockCopyCallState
diff --git a/block/backup-top.c b/block/backup-top.c
index 779956ddc2..6e7e7bf340 100644
--- a/block/backup-top.c
+++ b/block/backup-top.c
@@ -61,7 +61,7 @@ static coroutine_fn int backup_top_cbw(BlockDriverState *bs, uint64_t offset,
     off = QEMU_ALIGN_DOWN(offset, s->cluster_size);
     end = QEMU_ALIGN_UP(offset + bytes, s->cluster_size);
 
-    return block_copy(s->bcs, off, end - off, true, NULL);
+    return block_copy(s->bcs, off, end - off, true);
 }
 
 static int coroutine_fn backup_top_co_pdiscard(BlockDriverState *bs,
diff --git a/block/block-copy.c b/block/block-copy.c
index 2ea8b28684..39ae481c8b 100644
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -723,7 +723,7 @@ static int coroutine_fn block_copy_common(BlockCopyCallState *call_state)
 }
 
 int coroutine_fn block_copy(BlockCopyState *s, int64_t start, int64_t bytes,
-                            bool ignore_ratelimit, bool *error_is_read)
+                            bool ignore_ratelimit)
 {
     BlockCopyCallState call_state = {
         .s = s,
@@ -733,13 +733,7 @@ int coroutine_fn block_copy(BlockCopyState *s, int64_t start, int64_t bytes,
         .max_workers = BLOCK_COPY_MAX_WORKERS,
     };
 
-    int ret = block_copy_common(&call_state);
-
-    if (error_is_read && ret < 0) {
-        *error_is_read = call_state.error_is_read;
-    }
-
-    return ret;
+    return block_copy_common(&call_state);
 }
 
 static void coroutine_fn block_copy_async_co_entry(void *opaque)
-- 
2.29.2