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-rw-r--r--include/block/block-copy.h65
1 files changed, 8 insertions, 57 deletions
diff --git a/include/block/block-copy.h b/include/block/block-copy.h
index 0a161724d7..aac85e1488 100644
--- a/include/block/block-copy.h
+++ b/include/block/block-copy.h
@@ -18,79 +18,30 @@
#include "block/block.h"
#include "qemu/co-shared-resource.h"
-typedef struct BlockCopyInFlightReq {
- int64_t start_byte;
- int64_t end_byte;
- QLIST_ENTRY(BlockCopyInFlightReq) list;
- CoQueue wait_queue; /* coroutines blocked on this request */
-} BlockCopyInFlightReq;
-
typedef void (*ProgressBytesCallbackFunc)(int64_t bytes, void *opaque);
-typedef void (*ProgressResetCallbackFunc)(void *opaque);
-typedef struct BlockCopyState {
- /*
- * BdrvChild objects are not owned or managed by block-copy. They are
- * provided by block-copy user and user is responsible for appropriate
- * permissions on these children.
- */
- BdrvChild *source;
- BdrvChild *target;
- BdrvDirtyBitmap *copy_bitmap;
- int64_t cluster_size;
- bool use_copy_range;
- int64_t copy_size;
- uint64_t len;
- QLIST_HEAD(, BlockCopyInFlightReq) inflight_reqs;
-
- BdrvRequestFlags write_flags;
-
- /*
- * skip_unallocated:
- *
- * Used by sync=top jobs, which first scan the source node for unallocated
- * areas and clear them in the copy_bitmap. During this process, the bitmap
- * is thus not fully initialized: It may still have bits set for areas that
- * are unallocated and should actually not be copied.
- *
- * This is indicated by skip_unallocated.
- *
- * In this case, block_copy() will query the source’s allocation status,
- * skip unallocated regions, clear them in the copy_bitmap, and invoke
- * block_copy_reset_unallocated() every time it does.
- */
- bool skip_unallocated;
-
- /* progress_bytes_callback: called when some copying progress is done. */
- ProgressBytesCallbackFunc progress_bytes_callback;
-
- /*
- * progress_reset_callback: called when some bytes reset from copy_bitmap
- * (see @skip_unallocated above). The callee is assumed to recalculate how
- * many bytes remain based on the dirty bit count of copy_bitmap.
- */
- ProgressResetCallbackFunc progress_reset_callback;
- void *progress_opaque;
-
- SharedResource *mem;
-} BlockCopyState;
+typedef struct BlockCopyState BlockCopyState;
BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
int64_t cluster_size,
BdrvRequestFlags write_flags,
Error **errp);
-void block_copy_set_callbacks(
+void block_copy_set_progress_callback(
BlockCopyState *s,
ProgressBytesCallbackFunc progress_bytes_callback,
- ProgressResetCallbackFunc progress_reset_callback,
void *progress_opaque);
+void block_copy_set_progress_meter(BlockCopyState *s, ProgressMeter *pm);
+
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 start, uint64_t bytes,
+int coroutine_fn block_copy(BlockCopyState *s, int64_t offset, int64_t bytes,
bool *error_is_read);
+BdrvDirtyBitmap *block_copy_dirty_bitmap(BlockCopyState *s);
+void block_copy_set_skip_unallocated(BlockCopyState *s, bool skip);
+
#endif /* BLOCK_COPY_H */