[PATCH v2 18/20] block/block-copy: drop unused argument of block_copy()

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 include/block/block-copy.h |  3 +--
 block/backup-top.c         |  2 +-
 block/block-copy.c         | 11 ++---------
 3 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/include/block/block-copy.h b/include/block/block-copy.h
index a3e11d3fa2..760dfc9eae 100644
--- a/include/block/block-copy.h
+++ b/include/block/block-copy.h
@@ -35,8 +35,7 @@ void block_copy_state_free(BlockCopyState *s);
 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 *error_is_read);
+int coroutine_fn block_copy(BlockCopyState *s, int64_t offset, int64_t bytes);
 
 /*
  * Run block-copy in a coroutine, return state pointer. If finished early
diff --git a/block/backup-top.c b/block/backup-top.c
index 0a09544c76..f4230aded4 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, NULL);
+    return block_copy(s->bcs, off, end - off);
 }
 
 static int coroutine_fn backup_top_co_pdiscard(BlockDriverState *bs,
diff --git a/block/block-copy.c b/block/block-copy.c
index 6a9d891b63..6cb721cc26 100644
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -713,8 +713,7 @@ static int coroutine_fn block_copy_common(BlockCopyCallState *call_state)
     return ret;
 }
 
-int coroutine_fn block_copy(BlockCopyState *s, int64_t start, int64_t bytes,
-                            bool *error_is_read)
+int coroutine_fn block_copy(BlockCopyState *s, int64_t start, int64_t bytes)
 {
     BlockCopyCallState call_state = {
         .s = s,
@@ -723,13 +722,7 @@ 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)
-- 
2.21.0