block: Rename BlockDriverCompletionFunc to BlockCompletionFunc

I'll use it with block backends shortly, and the name is going to fit
badly there.  It's a block layer thing anyway, not just a block driver
thing.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

22 files changed, 70 insertions, 70 deletions

diff --git a/block/archipelago.c b/block/archipelago.c
index 4c468aaf04..a8114b528b 100644
--- a/block/archipelago.c
+++ b/block/archipelago.c
@@ -860,7 +860,7 @@ static BlockAIOCB *qemu_archipelago_aio_rw(BlockDriverState *bs,
                                            int64_t sector_num,
                                            QEMUIOVector *qiov,
                                            int nb_sectors,
-                                           BlockDriverCompletionFunc *cb,
+                                           BlockCompletionFunc *cb,
                                            void *opaque,
                                            int op)
 {
@@ -896,7 +896,7 @@ err_exit:
 
 static BlockAIOCB *qemu_archipelago_aio_readv(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     return qemu_archipelago_aio_rw(bs, sector_num, qiov, nb_sectors, cb,
                                    opaque, ARCHIP_OP_READ);
@@ -904,7 +904,7 @@ static BlockAIOCB *qemu_archipelago_aio_readv(BlockDriverState *bs,
 
 static BlockAIOCB *qemu_archipelago_aio_writev(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     return qemu_archipelago_aio_rw(bs, sector_num, qiov, nb_sectors, cb,
                                    opaque, ARCHIP_OP_WRITE);
@@ -1053,7 +1053,7 @@ static QemuOptsList qemu_archipelago_create_opts = {
 };
 
 static BlockAIOCB *qemu_archipelago_aio_flush(BlockDriverState *bs,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     return qemu_archipelago_aio_rw(bs, 0, NULL, 0, cb, opaque,
                                    ARCHIP_OP_FLUSH);
diff --git a/block/backup.c b/block/backup.c
index d0b02255ce..e334740161 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -353,7 +353,7 @@ void backup_start(BlockDriverState *bs, BlockDriverState *target,
                   int64_t speed, MirrorSyncMode sync_mode,
                   BlockdevOnError on_source_error,
                   BlockdevOnError on_target_error,
-                  BlockDriverCompletionFunc *cb, void *opaque,
+                  BlockCompletionFunc *cb, void *opaque,
                   Error **errp)
 {
     int64_t len;
diff --git a/block/blkdebug.c b/block/blkdebug.c
index f6291407f2..e046b920fb 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -464,7 +464,7 @@ static void error_callback_bh(void *opaque)
 }
 
 static BlockAIOCB *inject_error(BlockDriverState *bs,
-    BlockDriverCompletionFunc *cb, void *opaque, BlkdebugRule *rule)
+    BlockCompletionFunc *cb, void *opaque, BlkdebugRule *rule)
 {
     BDRVBlkdebugState *s = bs->opaque;
     int error = rule->options.inject.error;
@@ -491,7 +491,7 @@ static BlockAIOCB *inject_error(BlockDriverState *bs,
 
 static BlockAIOCB *blkdebug_aio_readv(BlockDriverState *bs,
     int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-    BlockDriverCompletionFunc *cb, void *opaque)
+    BlockCompletionFunc *cb, void *opaque)
 {
     BDRVBlkdebugState *s = bs->opaque;
     BlkdebugRule *rule = NULL;
@@ -513,7 +513,7 @@ static BlockAIOCB *blkdebug_aio_readv(BlockDriverState *bs,
 
 static BlockAIOCB *blkdebug_aio_writev(BlockDriverState *bs,
     int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-    BlockDriverCompletionFunc *cb, void *opaque)
+    BlockCompletionFunc *cb, void *opaque)
 {
     BDRVBlkdebugState *s = bs->opaque;
     BlkdebugRule *rule = NULL;
@@ -534,7 +534,7 @@ static BlockAIOCB *blkdebug_aio_writev(BlockDriverState *bs,
 }
 
 static BlockAIOCB *blkdebug_aio_flush(BlockDriverState *bs,
-    BlockDriverCompletionFunc *cb, void *opaque)
+    BlockCompletionFunc *cb, void *opaque)
 {
     BDRVBlkdebugState *s = bs->opaque;
     BlkdebugRule *rule = NULL;
diff --git a/block/blkverify.c b/block/blkverify.c
index 0c49063440..438dff8bcb 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -165,7 +165,7 @@ static int64_t blkverify_getlength(BlockDriverState *bs)
 static BlkverifyAIOCB *blkverify_aio_get(BlockDriverState *bs, bool is_write,
                                          int64_t sector_num, QEMUIOVector *qiov,
                                          int nb_sectors,
-                                         BlockDriverCompletionFunc *cb,
+                                         BlockCompletionFunc *cb,
                                          void *opaque)
 {
     BlkverifyAIOCB *acb = qemu_aio_get(&blkverify_aiocb_info, bs, cb, opaque);
@@ -231,7 +231,7 @@ static void blkverify_verify_readv(BlkverifyAIOCB *acb)
 
 static BlockAIOCB *blkverify_aio_readv(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     BDRVBlkverifyState *s = bs->opaque;
     BlkverifyAIOCB *acb = blkverify_aio_get(bs, false, sector_num, qiov,
@@ -251,7 +251,7 @@ static BlockAIOCB *blkverify_aio_readv(BlockDriverState *bs,
 
 static BlockAIOCB *blkverify_aio_writev(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     BDRVBlkverifyState *s = bs->opaque;
     BlkverifyAIOCB *acb = blkverify_aio_get(bs, true, sector_num, qiov,
@@ -265,7 +265,7 @@ static BlockAIOCB *blkverify_aio_writev(BlockDriverState *bs,
 }
 
 static BlockAIOCB *blkverify_aio_flush(BlockDriverState *bs,
-                                       BlockDriverCompletionFunc *cb,
+                                       BlockCompletionFunc *cb,
                                        void *opaque)
 {
     BDRVBlkverifyState *s = bs->opaque;
diff --git a/block/commit.c b/block/commit.c
index 91517d3512..60a2accf04 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -182,7 +182,7 @@ static const BlockJobDriver commit_job_driver = {
 
 void commit_start(BlockDriverState *bs, BlockDriverState *base,
                   BlockDriverState *top, int64_t speed,
-                  BlockdevOnError on_error, BlockDriverCompletionFunc *cb,
+                  BlockdevOnError on_error, BlockCompletionFunc *cb,
                   void *opaque, const char *backing_file_str, Error **errp)
 {
     CommitBlockJob *s;
diff --git a/block/curl.c b/block/curl.c
index 0ff70b74d3..b4157cc8b3 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -682,7 +682,7 @@ static void curl_readv_bh_cb(void *p)
 
 static BlockAIOCB *curl_aio_readv(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     CURLAIOCB *acb;
 
diff --git a/block/iscsi.c b/block/iscsi.c
index 3ca29515e7..233f46285c 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -665,7 +665,7 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status,
 
 static BlockAIOCB *iscsi_aio_ioctl(BlockDriverState *bs,
         unsigned long int req, void *buf,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     IscsiLun *iscsilun = bs->opaque;
     struct iscsi_context *iscsi = iscsilun->iscsi;
diff --git a/block/linux-aio.c b/block/linux-aio.c
index 16e09d18a5..d92513b0f9 100644
--- a/block/linux-aio.c
+++ b/block/linux-aio.c
@@ -245,7 +245,7 @@ int laio_io_unplug(BlockDriverState *bs, void *aio_ctx, bool unplug)
 
 BlockAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque, int type)
+        BlockCompletionFunc *cb, void *opaque, int type)
 {
     struct qemu_laio_state *s = aio_ctx;
     struct qemu_laiocb *laiocb;
diff --git a/block/mirror.c b/block/mirror.c
index 829be2f88a..e8a43eb39e 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -613,7 +613,7 @@ static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target,
                              int64_t buf_size,
                              BlockdevOnError on_source_error,
                              BlockdevOnError on_target_error,
-                             BlockDriverCompletionFunc *cb,
+                             BlockCompletionFunc *cb,
                              void *opaque, Error **errp,
                              const BlockJobDriver *driver,
                              bool is_none_mode, BlockDriverState *base)
@@ -673,7 +673,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target,
                   int64_t speed, int64_t granularity, int64_t buf_size,
                   MirrorSyncMode mode, BlockdevOnError on_source_error,
                   BlockdevOnError on_target_error,
-                  BlockDriverCompletionFunc *cb,
+                  BlockCompletionFunc *cb,
                   void *opaque, Error **errp)
 {
     bool is_none_mode;
@@ -690,7 +690,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target,
 void commit_active_start(BlockDriverState *bs, BlockDriverState *base,
                          int64_t speed,
                          BlockdevOnError on_error,
-                         BlockDriverCompletionFunc *cb,
+                         BlockCompletionFunc *cb,
                          void *opaque, Error **errp)
 {
     int64_t length, base_length;
diff --git a/block/null.c b/block/null.c
index e9547d785a..ec2bd27a4b 100644
--- a/block/null.c
+++ b/block/null.c
@@ -95,7 +95,7 @@ static void null_bh_cb(void *opaque)
 }
 
 static inline BlockAIOCB *null_aio_common(BlockDriverState *bs,
-                                          BlockDriverCompletionFunc *cb,
+                                          BlockCompletionFunc *cb,
                                           void *opaque)
 {
     NullAIOCB *acb;
@@ -109,7 +109,7 @@ static inline BlockAIOCB *null_aio_common(BlockDriverState *bs,
 static BlockAIOCB *null_aio_readv(BlockDriverState *bs,
                                   int64_t sector_num, QEMUIOVector *qiov,
                                   int nb_sectors,
-                                  BlockDriverCompletionFunc *cb,
+                                  BlockCompletionFunc *cb,
                                   void *opaque)
 {
     return null_aio_common(bs, cb, opaque);
@@ -118,14 +118,14 @@ static BlockAIOCB *null_aio_readv(BlockDriverState *bs,
 static BlockAIOCB *null_aio_writev(BlockDriverState *bs,
                                    int64_t sector_num, QEMUIOVector *qiov,
                                    int nb_sectors,
-                                   BlockDriverCompletionFunc *cb,
+                                   BlockCompletionFunc *cb,
                                    void *opaque)
 {
     return null_aio_common(bs, cb, opaque);
 }
 
 static BlockAIOCB *null_aio_flush(BlockDriverState *bs,
-                                  BlockDriverCompletionFunc *cb,
+                                  BlockCompletionFunc *cb,
                                   void *opaque)
 {
     return null_aio_common(bs, cb, opaque);
diff --git a/block/qed-gencb.c b/block/qed-gencb.c
index 7d7ac1ffc8..b817a8bf50 100644
--- a/block/qed-gencb.c
+++ b/block/qed-gencb.c
@@ -13,7 +13,7 @@
 
 #include "qed.h"
 
-void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque)
+void *gencb_alloc(size_t len, BlockCompletionFunc *cb, void *opaque)
 {
     GenericCB *gencb = g_malloc(len);
     gencb->cb = cb;
@@ -24,7 +24,7 @@ void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque)
 void gencb_complete(void *opaque, int ret)
 {
     GenericCB *gencb = opaque;
-    BlockDriverCompletionFunc *cb = gencb->cb;
+    BlockCompletionFunc *cb = gencb->cb;
     void *user_opaque = gencb->opaque;
 
     g_free(gencb);
diff --git a/block/qed-table.c b/block/qed-table.c
index f61107a1cf..513aa872c9 100644
--- a/block/qed-table.c
+++ b/block/qed-table.c
@@ -49,7 +49,7 @@ out:
 }
 
 static void qed_read_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
-                           BlockDriverCompletionFunc *cb, void *opaque)
+                           BlockCompletionFunc *cb, void *opaque)
 {
     QEDReadTableCB *read_table_cb = gencb_alloc(sizeof(*read_table_cb),
                                                 cb, opaque);
@@ -119,7 +119,7 @@ out:
  */
 static void qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
                             unsigned int index, unsigned int n, bool flush,
-                            BlockDriverCompletionFunc *cb, void *opaque)
+                            BlockCompletionFunc *cb, void *opaque)
 {
     QEDWriteTableCB *write_table_cb;
     unsigned int sector_mask = BDRV_SECTOR_SIZE / sizeof(uint64_t) - 1;
@@ -180,7 +180,7 @@ int qed_read_l1_table_sync(BDRVQEDState *s)
 }
 
 void qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n,
-                        BlockDriverCompletionFunc *cb, void *opaque)
+                        BlockCompletionFunc *cb, void *opaque)
 {
     BLKDBG_EVENT(s->bs->file, BLKDBG_L1_UPDATE);
     qed_write_table(s, s->header.l1_table_offset,
@@ -235,7 +235,7 @@ static void qed_read_l2_table_cb(void *opaque, int ret)
 }
 
 void qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset,
-                       BlockDriverCompletionFunc *cb, void *opaque)
+                       BlockCompletionFunc *cb, void *opaque)
 {
     QEDReadL2TableCB *read_l2_table_cb;
 
@@ -275,7 +275,7 @@ int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request, uint64_t offset
 
 void qed_write_l2_table(BDRVQEDState *s, QEDRequest *request,
                         unsigned int index, unsigned int n, bool flush,
-                        BlockDriverCompletionFunc *cb, void *opaque)
+                        BlockCompletionFunc *cb, void *opaque)
 {
     BLKDBG_EVENT(s->bs->file, BLKDBG_L2_UPDATE);
     qed_write_table(s, request->l2_table->offset,
diff --git a/block/qed.c b/block/qed.c
index 4c14ac27e6..80f18d82e2 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -130,7 +130,7 @@ static void qed_write_header_read_cb(void *opaque, int ret)
  * This function only updates known header fields in-place and does not affect
  * extra data after the QED header.
  */
-static void qed_write_header(BDRVQEDState *s, BlockDriverCompletionFunc cb,
+static void qed_write_header(BDRVQEDState *s, BlockCompletionFunc cb,
                              void *opaque)
 {
     /* We must write full sectors for O_DIRECT but cannot necessarily generate
@@ -759,7 +759,7 @@ static BDRVQEDState *acb_to_s(QEDAIOCB *acb)
 static void qed_read_backing_file(BDRVQEDState *s, uint64_t pos,
                                   QEMUIOVector *qiov,
                                   QEMUIOVector **backing_qiov,
-                                  BlockDriverCompletionFunc *cb, void *opaque)
+                                  BlockCompletionFunc *cb, void *opaque)
 {
     uint64_t backing_length = 0;
     size_t size;
@@ -851,7 +851,7 @@ static void qed_copy_from_backing_file_write(void *opaque, int ret)
  */
 static void qed_copy_from_backing_file(BDRVQEDState *s, uint64_t pos,
                                        uint64_t len, uint64_t offset,
-                                       BlockDriverCompletionFunc *cb,
+                                       BlockCompletionFunc *cb,
                                        void *opaque)
 {
     CopyFromBackingFileCB *copy_cb;
@@ -902,7 +902,7 @@ static void qed_update_l2_table(BDRVQEDState *s, QEDTable *table, int index,
 static void qed_aio_complete_bh(void *opaque)
 {
     QEDAIOCB *acb = opaque;
-    BlockDriverCompletionFunc *cb = acb->common.cb;
+    BlockCompletionFunc *cb = acb->common.cb;
     void *user_opaque = acb->common.opaque;
     int ret = acb->bh_ret;
 
@@ -1064,7 +1064,7 @@ static void qed_aio_write_main(void *opaque, int ret)
     BDRVQEDState *s = acb_to_s(acb);
     uint64_t offset = acb->cur_cluster +
                       qed_offset_into_cluster(s, acb->cur_pos);
-    BlockDriverCompletionFunc *next_fn;
+    BlockCompletionFunc *next_fn;
 
     trace_qed_aio_write_main(s, acb, ret, offset, acb->cur_qiov.size);
 
@@ -1164,7 +1164,7 @@ static void qed_aio_write_zero_cluster(void *opaque, int ret)
 static void qed_aio_write_alloc(QEDAIOCB *acb, size_t len)
 {
     BDRVQEDState *s = acb_to_s(acb);
-    BlockDriverCompletionFunc *cb;
+    BlockCompletionFunc *cb;
 
     /* Cancel timer when the first allocating request comes in */
     if (QSIMPLEQ_EMPTY(&s->allocating_write_reqs)) {
@@ -1368,7 +1368,7 @@ static void qed_aio_next_io(void *opaque, int ret)
 static BlockAIOCB *qed_aio_setup(BlockDriverState *bs,
                                  int64_t sector_num,
                                  QEMUIOVector *qiov, int nb_sectors,
-                                 BlockDriverCompletionFunc *cb,
+                                 BlockCompletionFunc *cb,
                                  void *opaque, int flags)
 {
     QEDAIOCB *acb = qemu_aio_get(&qed_aiocb_info, bs, cb, opaque);
@@ -1393,7 +1393,7 @@ static BlockAIOCB *qed_aio_setup(BlockDriverState *bs,
 static BlockAIOCB *bdrv_qed_aio_readv(BlockDriverState *bs,
                                       int64_t sector_num,
                                       QEMUIOVector *qiov, int nb_sectors,
-                                      BlockDriverCompletionFunc *cb,
+                                      BlockCompletionFunc *cb,
                                       void *opaque)
 {
     return qed_aio_setup(bs, sector_num, qiov, nb_sectors, cb, opaque, 0);
@@ -1402,7 +1402,7 @@ static BlockAIOCB *bdrv_qed_aio_readv(BlockDriverState *bs,
 static BlockAIOCB *bdrv_qed_aio_writev(BlockDriverState *bs,
                                        int64_t sector_num,
                                        QEMUIOVector *qiov, int nb_sectors,
-                                       BlockDriverCompletionFunc *cb,
+                                       BlockCompletionFunc *cb,
                                        void *opaque)
 {
     return qed_aio_setup(bs, sector_num, qiov, nb_sectors, cb,
diff --git a/block/qed.h b/block/qed.h
index fc4980494a..d3934a05cd 100644
--- a/block/qed.h
+++ b/block/qed.h
@@ -203,11 +203,11 @@ typedef void QEDFindClusterFunc(void *opaque, int ret, uint64_t offset, size_t l
  * Generic callback for chaining async callbacks
  */
 typedef struct {
-    BlockDriverCompletionFunc *cb;
+    BlockCompletionFunc *cb;
     void *opaque;
 } GenericCB;
 
-void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque);
+void *gencb_alloc(size_t len, BlockCompletionFunc *cb, void *opaque);
 void gencb_complete(void *opaque, int ret);
 
 /**
@@ -230,16 +230,16 @@ void qed_commit_l2_cache_entry(L2TableCache *l2_cache, CachedL2Table *l2_table);
  */
 int qed_read_l1_table_sync(BDRVQEDState *s);
 void qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n,
-                        BlockDriverCompletionFunc *cb, void *opaque);
+                        BlockCompletionFunc *cb, void *opaque);
 int qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index,
                             unsigned int n);
 int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request,
                            uint64_t offset);
 void qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset,
-                       BlockDriverCompletionFunc *cb, void *opaque);
+                       BlockCompletionFunc *cb, void *opaque);
 void qed_write_l2_table(BDRVQEDState *s, QEDRequest *request,
                         unsigned int index, unsigned int n, bool flush,
-                        BlockDriverCompletionFunc *cb, void *opaque);
+                        BlockCompletionFunc *cb, void *opaque);
 int qed_write_l2_table_sync(BDRVQEDState *s, QEDRequest *request,
                             unsigned int index, unsigned int n, bool flush);
 
diff --git a/block/quorum.c b/block/quorum.c
index e173ef0fbd..437b12251d 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -186,7 +186,7 @@ static QuorumAIOCB *quorum_aio_get(BDRVQuorumState *s,
                                    QEMUIOVector *qiov,
                                    uint64_t sector_num,
                                    int nb_sectors,
-                                   BlockDriverCompletionFunc *cb,
+                                   BlockCompletionFunc *cb,
                                    void *opaque)
 {
     QuorumAIOCB *acb = qemu_aio_get(&quorum_aiocb_info, bs, cb, opaque);
@@ -679,7 +679,7 @@ static BlockAIOCB *quorum_aio_readv(BlockDriverState *bs,
                                     int64_t sector_num,
                                     QEMUIOVector *qiov,
                                     int nb_sectors,
-                                    BlockDriverCompletionFunc *cb,
+                                    BlockCompletionFunc *cb,
                                     void *opaque)
 {
     BDRVQuorumState *s = bs->opaque;
@@ -700,7 +700,7 @@ static BlockAIOCB *quorum_aio_writev(BlockDriverState *bs,
                                      int64_t sector_num,
                                      QEMUIOVector *qiov,
                                      int nb_sectors,
-                                     BlockDriverCompletionFunc *cb,
+                                     BlockCompletionFunc *cb,
                                      void *opaque)
 {
     BDRVQuorumState *s = bs->opaque;
diff --git a/block/raw-aio.h b/block/raw-aio.h
index e1eee3f6f0..80681ce175 100644
--- a/block/raw-aio.h
+++ b/block/raw-aio.h
@@ -37,7 +37,7 @@ void *laio_init(void);
 void laio_cleanup(void *s);
 BlockAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque, int type);
+        BlockCompletionFunc *cb, void *opaque, int type);
 void laio_detach_aio_context(void *s, AioContext *old_context);
 void laio_attach_aio_context(void *s, AioContext *new_context);
 void laio_io_plug(BlockDriverState *bs, void *aio_ctx);
@@ -52,7 +52,7 @@ int win32_aio_attach(QEMUWin32AIOState *aio, HANDLE hfile);
 BlockAIOCB *win32_aio_submit(BlockDriverState *bs,
         QEMUWin32AIOState *aio, HANDLE hfile,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque, int type);
+        BlockCompletionFunc *cb, void *opaque, int type);
 void win32_aio_detach_aio_context(QEMUWin32AIOState *aio,
                                   AioContext *old_context);
 void win32_aio_attach_aio_context(QEMUWin32AIOState *aio,
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 0fbaba00b1..ee4ca3c01e 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1043,7 +1043,7 @@ static int paio_submit_co(BlockDriverState *bs, int fd,
 
 static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque, int type)
+        BlockCompletionFunc *cb, void *opaque, int type)
 {
     RawPosixAIOData *acb = g_slice_new(RawPosixAIOData);
     ThreadPool *pool;
@@ -1068,7 +1068,7 @@ static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd,
 
 static BlockAIOCB *raw_aio_submit(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque, int type)
+        BlockCompletionFunc *cb, void *opaque, int type)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -1127,7 +1127,7 @@ static void raw_aio_flush_io_queue(BlockDriverState *bs)
 
 static BlockAIOCB *raw_aio_readv(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     return raw_aio_submit(bs, sector_num, qiov, nb_sectors,
                           cb, opaque, QEMU_AIO_READ);
@@ -1135,14 +1135,14 @@ static BlockAIOCB *raw_aio_readv(BlockDriverState *bs,
 
 static BlockAIOCB *raw_aio_writev(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     return raw_aio_submit(bs, sector_num, qiov, nb_sectors,
                           cb, opaque, QEMU_AIO_WRITE);
 }
 
 static BlockAIOCB *raw_aio_flush(BlockDriverState *bs,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -1597,7 +1597,7 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs,
 
 static coroutine_fn BlockAIOCB *raw_aio_discard(BlockDriverState *bs,
     int64_t sector_num, int nb_sectors,
-    BlockDriverCompletionFunc *cb, void *opaque)
+    BlockCompletionFunc *cb, void *opaque)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -1937,7 +1937,7 @@ static int hdev_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
 
 static BlockAIOCB *hdev_aio_ioctl(BlockDriverState *bs,
         unsigned long int req, void *buf,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     BDRVRawState *s = bs->opaque;
     RawPosixAIOData *acb;
@@ -1978,7 +1978,7 @@ static int fd_open(BlockDriverState *bs)
 
 static coroutine_fn BlockAIOCB *hdev_aio_discard(BlockDriverState *bs,
     int64_t sector_num, int nb_sectors,
-    BlockDriverCompletionFunc *cb, void *opaque)
+    BlockCompletionFunc *cb, void *opaque)
 {
     BDRVRawState *s = bs->opaque;
 
diff --git a/block/raw-win32.c b/block/raw-win32.c
index c11d522250..7b588815b9 100644
--- a/block/raw-win32.c
+++ b/block/raw-win32.c
@@ -140,7 +140,7 @@ static int aio_worker(void *arg)
 
 static BlockAIOCB *paio_submit(BlockDriverState *bs, HANDLE hfile,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque, int type)
+        BlockCompletionFunc *cb, void *opaque, int type)
 {
     RawWin32AIOData *acb = g_slice_new(RawWin32AIOData);
     ThreadPool *pool;
@@ -371,7 +371,7 @@ fail:
 
 static BlockAIOCB *raw_aio_readv(BlockDriverState *bs,
                          int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-                         BlockDriverCompletionFunc *cb, void *opaque)
+                         BlockCompletionFunc *cb, void *opaque)
 {
     BDRVRawState *s = bs->opaque;
     if (s->aio) {
@@ -385,7 +385,7 @@ static BlockAIOCB *raw_aio_readv(BlockDriverState *bs,
 
 static BlockAIOCB *raw_aio_writev(BlockDriverState *bs,
                           int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-                          BlockDriverCompletionFunc *cb, void *opaque)
+                          BlockCompletionFunc *cb, void *opaque)
 {
     BDRVRawState *s = bs->opaque;
     if (s->aio) {
@@ -398,7 +398,7 @@ static BlockAIOCB *raw_aio_writev(BlockDriverState *bs,
 }
 
 static BlockAIOCB *raw_aio_flush(BlockDriverState *bs,
-                         BlockDriverCompletionFunc *cb, void *opaque)
+                         BlockCompletionFunc *cb, void *opaque)
 {
     BDRVRawState *s = bs->opaque;
     return paio_submit(bs, s->hfile, 0, NULL, 0, cb, opaque, QEMU_AIO_FLUSH);
diff --git a/block/raw_bsd.c b/block/raw_bsd.c
index cde05fcf5f..401b967e85 100644
--- a/block/raw_bsd.c
+++ b/block/raw_bsd.c
@@ -131,7 +131,7 @@ static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
 
 static BlockAIOCB *raw_aio_ioctl(BlockDriverState *bs,
                                  unsigned long int req, void *buf,
-                                 BlockDriverCompletionFunc *cb,
+                                 BlockCompletionFunc *cb,
                                  void *opaque)
 {
     return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque);
diff --git a/block/rbd.c b/block/rbd.c
index a385a6e0cd..47cab8be94 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -593,7 +593,7 @@ static BlockAIOCB *rbd_start_aio(BlockDriverState *bs,
                                  int64_t sector_num,
                                  QEMUIOVector *qiov,
                                  int nb_sectors,
-                                 BlockDriverCompletionFunc *cb,
+                                 BlockCompletionFunc *cb,
                                  void *opaque,
                                  RBDAIOCmd cmd)
 {
@@ -679,7 +679,7 @@ static BlockAIOCB *qemu_rbd_aio_readv(BlockDriverState *bs,
                                       int64_t sector_num,
                                       QEMUIOVector *qiov,
                                       int nb_sectors,
-                                      BlockDriverCompletionFunc *cb,
+                                      BlockCompletionFunc *cb,
                                       void *opaque)
 {
     return rbd_start_aio(bs, sector_num, qiov, nb_sectors, cb, opaque,
@@ -690,7 +690,7 @@ static BlockAIOCB *qemu_rbd_aio_writev(BlockDriverState *bs,
                                        int64_t sector_num,
                                        QEMUIOVector *qiov,
                                        int nb_sectors,
-                                       BlockDriverCompletionFunc *cb,
+                                       BlockCompletionFunc *cb,
                                        void *opaque)
 {
     return rbd_start_aio(bs, sector_num, qiov, nb_sectors, cb, opaque,
@@ -699,7 +699,7 @@ static BlockAIOCB *qemu_rbd_aio_writev(BlockDriverState *bs,
 
 #ifdef LIBRBD_SUPPORTS_AIO_FLUSH
 static BlockAIOCB *qemu_rbd_aio_flush(BlockDriverState *bs,
-                                      BlockDriverCompletionFunc *cb,
+                                      BlockCompletionFunc *cb,
                                       void *opaque)
 {
     return rbd_start_aio(bs, 0, NULL, 0, cb, opaque, RBD_AIO_FLUSH);
@@ -879,7 +879,7 @@ static int qemu_rbd_snap_list(BlockDriverState *bs,
 static BlockAIOCB* qemu_rbd_aio_discard(BlockDriverState *bs,
                                         int64_t sector_num,
                                         int nb_sectors,
-                                        BlockDriverCompletionFunc *cb,
+                                        BlockCompletionFunc *cb,
                                         void *opaque)
 {
     return rbd_start_aio(bs, sector_num, NULL, nb_sectors, cb, opaque,
diff --git a/block/stream.c b/block/stream.c
index cdea3e8d0c..a1dc8da484 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -220,7 +220,7 @@ static const BlockJobDriver stream_job_driver = {
 void stream_start(BlockDriverState *bs, BlockDriverState *base,
                   const char *backing_file_str, int64_t speed,
                   BlockdevOnError on_error,
-                  BlockDriverCompletionFunc *cb,
+                  BlockCompletionFunc *cb,
                   void *opaque, Error **errp)
 {
     StreamBlockJob *s;
diff --git a/block/win32-aio.c b/block/win32-aio.c
index 16c31a8cb1..64e86827bc 100644
--- a/block/win32-aio.c
+++ b/block/win32-aio.c
@@ -113,7 +113,7 @@ static const AIOCBInfo win32_aiocb_info = {
 BlockAIOCB *win32_aio_submit(BlockDriverState *bs,
         QEMUWin32AIOState *aio, HANDLE hfile,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque, int type)
+        BlockCompletionFunc *cb, void *opaque, int type)
 {
     struct QEMUWin32AIOCB *waiocb;
     uint64_t offset = sector_num * 512;