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>

42 files changed, 132 insertions, 132 deletions

diff --git a/block.c b/block.c
index a5911456a7..9fee0d28ed 100644
--- a/block.c
+++ b/block.c
@@ -63,10 +63,10 @@ struct BdrvDirtyBitmap {
 static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load);
 static BlockAIOCB *bdrv_aio_readv_em(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
 static BlockAIOCB *bdrv_aio_writev_em(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
 static int coroutine_fn bdrv_co_readv_em(BlockDriverState *bs,
                                          int64_t sector_num, int nb_sectors,
                                          QEMUIOVector *iov);
@@ -84,7 +84,7 @@ static BlockAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs,
                                          QEMUIOVector *qiov,
                                          int nb_sectors,
                                          BdrvRequestFlags flags,
-                                         BlockDriverCompletionFunc *cb,
+                                         BlockCompletionFunc *cb,
                                          void *opaque,
                                          bool is_write);
 static void coroutine_fn bdrv_co_do_rw(void *opaque);
@@ -4415,7 +4415,7 @@ int bdrv_get_backing_file_depth(BlockDriverState *bs)
 
 BlockAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num,
                            QEMUIOVector *qiov, int nb_sectors,
-                           BlockDriverCompletionFunc *cb, void *opaque)
+                           BlockCompletionFunc *cb, void *opaque)
 {
     trace_bdrv_aio_readv(bs, sector_num, nb_sectors, opaque);
 
@@ -4425,7 +4425,7 @@ BlockAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num,
 
 BlockAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num,
                             QEMUIOVector *qiov, int nb_sectors,
-                            BlockDriverCompletionFunc *cb, void *opaque)
+                            BlockCompletionFunc *cb, void *opaque)
 {
     trace_bdrv_aio_writev(bs, sector_num, nb_sectors, opaque);
 
@@ -4435,7 +4435,7 @@ BlockAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num,
 
 BlockAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors, BdrvRequestFlags flags,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     trace_bdrv_aio_write_zeroes(bs, sector_num, nb_sectors, flags, opaque);
 
@@ -4450,7 +4450,7 @@ typedef struct MultiwriteCB {
     int num_requests;
     int num_callbacks;
     struct {
-        BlockDriverCompletionFunc *cb;
+        BlockCompletionFunc *cb;
         void *opaque;
         QEMUIOVector *free_qiov;
     } callbacks[];
@@ -4688,7 +4688,7 @@ static BlockAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs,
                                       int64_t sector_num,
                                       QEMUIOVector *qiov,
                                       int nb_sectors,
-                                      BlockDriverCompletionFunc *cb,
+                                      BlockCompletionFunc *cb,
                                       void *opaque,
                                       int is_write)
 
@@ -4717,14 +4717,14 @@ static BlockAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs,
 
 static BlockAIOCB *bdrv_aio_readv_em(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 0);
 }
 
 static BlockAIOCB *bdrv_aio_writev_em(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 1);
 }
@@ -4775,7 +4775,7 @@ static BlockAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs,
                                          QEMUIOVector *qiov,
                                          int nb_sectors,
                                          BdrvRequestFlags flags,
-                                         BlockDriverCompletionFunc *cb,
+                                         BlockCompletionFunc *cb,
                                          void *opaque,
                                          bool is_write)
 {
@@ -4806,7 +4806,7 @@ static void coroutine_fn bdrv_aio_flush_co_entry(void *opaque)
 }
 
 BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     trace_bdrv_aio_flush(bs, opaque);
 
@@ -4833,7 +4833,7 @@ static void coroutine_fn bdrv_aio_discard_co_entry(void *opaque)
 
 BlockAIOCB *bdrv_aio_discard(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     Coroutine *co;
     BlockAIOCBCoroutine *acb;
@@ -4861,7 +4861,7 @@ void bdrv_init_with_whitelist(void)
 }
 
 void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs,
-                   BlockDriverCompletionFunc *cb, void *opaque)
+                   BlockCompletionFunc *cb, void *opaque)
 {
     BlockAIOCB *acb;
 
@@ -5281,7 +5281,7 @@ int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
 
 BlockAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
         unsigned long int req, void *buf,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     BlockDriver *drv = bs->drv;
 
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;
diff --git a/blockjob.c b/blockjob.c
index 3af0f6c863..ff0908a653 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -36,7 +36,7 @@
 #include "qapi-event.h"
 
 void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs,
-                       int64_t speed, BlockDriverCompletionFunc *cb,
+                       int64_t speed, BlockCompletionFunc *cb,
                        void *opaque, Error **errp)
 {
     BlockJob *job;
@@ -155,7 +155,7 @@ void block_job_iostatus_reset(BlockJob *job)
 
 struct BlockCancelData {
     BlockJob *job;
-    BlockDriverCompletionFunc *cb;
+    BlockCompletionFunc *cb;
     void *opaque;
     bool cancelled;
     int ret;
diff --git a/dma-helpers.c b/dma-helpers.c
index 229192bfd9..c347d4bafe 100644
--- a/dma-helpers.c
+++ b/dma-helpers.c
@@ -192,7 +192,7 @@ static const AIOCBInfo dma_aiocb_info = {
 
 BlockAIOCB *dma_bdrv_io(
     BlockDriverState *bs, QEMUSGList *sg, uint64_t sector_num,
-    DMAIOFunc *io_func, BlockDriverCompletionFunc *cb,
+    DMAIOFunc *io_func, BlockCompletionFunc *cb,
     void *opaque, DMADirection dir)
 {
     DMAAIOCB *dbs = qemu_aio_get(&dma_aiocb_info, bs, cb, opaque);
diff --git a/docs/blkdebug.txt b/docs/blkdebug.txt
index cba1186f12..b67a36d5c6 100644
--- a/docs/blkdebug.txt
+++ b/docs/blkdebug.txt
@@ -73,7 +73,7 @@ Rules support the following attributes:
   immediately - (optional, default "off") return a NULL BlockAIOCB
                 pointer and fail without an errno instead.  This
                 exercises the code path where BlockAIOCB fails and the
-                caller's BlockDriverCompletionFunc is not invoked.
+                caller's BlockCompletionFunc is not invoked.
 
 Events
 ------
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 063730e8df..f3d4e70e24 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1122,7 +1122,7 @@ out:
 }
 
 static void ahci_start_dma(IDEDMA *dma, IDEState *s,
-                           BlockDriverCompletionFunc *dma_cb)
+                           BlockCompletionFunc *dma_cb)
 {
 #ifdef DEBUG_AHCI
     AHCIDevice *ad = DO_UPCAST(AHCIDevice, dma, dma);
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 0ef587e66b..0505c45685 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -440,7 +440,7 @@ static void ide_issue_trim_cb(void *opaque, int ret)
 
 BlockAIOCB *ide_issue_trim(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     TrimAIOCB *iocb;
 
@@ -789,7 +789,7 @@ static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd)
     ide_start_dma(s, ide_dma_cb);
 }
 
-void ide_start_dma(IDEState *s, BlockDriverCompletionFunc *cb)
+void ide_start_dma(IDEState *s, BlockCompletionFunc *cb)
 {
     if (s->bus->dma->ops->start_dma) {
         s->bus->dma->ops->start_dma(s->bus->dma, s, cb);
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index c661a74dfd..9314c8060e 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -319,7 +319,7 @@ typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
 
 typedef void EndTransferFunc(IDEState *);
 
-typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockDriverCompletionFunc *);
+typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockCompletionFunc *);
 typedef void DMAVoidFunc(IDEDMA *);
 typedef int DMAIntFunc(IDEDMA *, int);
 typedef void DMAStopFunc(IDEDMA *, bool);
@@ -521,7 +521,7 @@ void ide_bus_reset(IDEBus *bus);
 int64_t ide_get_sector(IDEState *s);
 void ide_set_sector(IDEState *s, int64_t sector_num);
 
-void ide_start_dma(IDEState *s, BlockDriverCompletionFunc *cb);
+void ide_start_dma(IDEState *s, BlockCompletionFunc *cb);
 void ide_dma_error(IDEState *s);
 
 void ide_atapi_cmd_ok(IDEState *s);
@@ -557,7 +557,7 @@ void ide_transfer_stop(IDEState *s);
 void ide_set_inactive(IDEState *s, bool more);
 BlockAIOCB *ide_issue_trim(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
 
 /* hw/ide/atapi.c */
 void ide_atapi_cmd(IDEState *s);
diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index cefc85cf12..6b5cce534f 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -558,7 +558,7 @@ static void ide_nop_restart(void *opaque, int x, RunState y)
 }
 
 static void ide_dbdma_start(IDEDMA *dma, IDEState *s,
-                            BlockDriverCompletionFunc *cb)
+                            BlockCompletionFunc *cb)
 {
     MACIOIDEState *m = container_of(dma, MACIOIDEState, dma);
 
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index 2397f355cc..6ff1c58be9 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -38,7 +38,7 @@
         IDE_RETRY_READ | IDE_RETRY_FLUSH)
 
 static void bmdma_start_dma(IDEDMA *dma, IDEState *s,
-                            BlockDriverCompletionFunc *dma_cb)
+                            BlockCompletionFunc *dma_cb)
 {
     BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma);
 
diff --git a/hw/ide/pci.h b/hw/ide/pci.h
index 517711f913..2e9314ad87 100644
--- a/hw/ide/pci.h
+++ b/hw/ide/pci.h
@@ -23,7 +23,7 @@ typedef struct BMDMAState {
     uint32_t cur_prd_addr;
     uint32_t cur_prd_len;
     uint8_t unit;
-    BlockDriverCompletionFunc *dma_cb;
+    BlockCompletionFunc *dma_cb;
     int64_t sector_num;
     uint32_t nsector;
     MemoryRegion addr_ioport;
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 84a1d5bfe3..4177c5357e 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -143,7 +143,7 @@ done:
 
 static int execute_command(BlockDriverState *bdrv,
                            SCSIGenericReq *r, int direction,
-			   BlockDriverCompletionFunc *complete)
+                           BlockCompletionFunc *complete)
 {
     r->io_header.interface_id = 'S';
     r->io_header.dxfer_direction = direction;
diff --git a/include/block/aio.h b/include/block/aio.h
index ce992502f1..6bf0e0456a 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -23,7 +23,7 @@
 #include "qemu/timer.h"
 
 typedef struct BlockAIOCB BlockAIOCB;
-typedef void BlockDriverCompletionFunc(void *opaque, int ret);
+typedef void BlockCompletionFunc(void *opaque, int ret);
 
 typedef struct AIOCBInfo {
     void (*cancel_async)(BlockAIOCB *acb);
@@ -34,13 +34,13 @@ typedef struct AIOCBInfo {
 struct BlockAIOCB {
     const AIOCBInfo *aiocb_info;
     BlockDriverState *bs;
-    BlockDriverCompletionFunc *cb;
+    BlockCompletionFunc *cb;
     void *opaque;
     int refcnt;
 };
 
 void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs,
-                   BlockDriverCompletionFunc *cb, void *opaque);
+                   BlockCompletionFunc *cb, void *opaque);
 void qemu_aio_unref(void *p);
 void qemu_aio_ref(void *p);
 
diff --git a/include/block/block.h b/include/block/block.h
index 0edddfe4f3..9a490c221c 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -250,7 +250,7 @@ int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num,
                int nb_sectors, BdrvRequestFlags flags);
 BlockAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num,
                                   int nb_sectors, BdrvRequestFlags flags,
-                                  BlockDriverCompletionFunc *cb, void *opaque);
+                                  BlockCompletionFunc *cb, void *opaque);
 int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags);
 int bdrv_pread(BlockDriverState *bs, int64_t offset,
                void *buf, int count);
@@ -328,15 +328,15 @@ typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector,
                                      int sector_num);
 BlockAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num,
                            QEMUIOVector *iov, int nb_sectors,
-                           BlockDriverCompletionFunc *cb, void *opaque);
+                           BlockCompletionFunc *cb, void *opaque);
 BlockAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num,
                             QEMUIOVector *iov, int nb_sectors,
-                            BlockDriverCompletionFunc *cb, void *opaque);
+                            BlockCompletionFunc *cb, void *opaque);
 BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs,
-                           BlockDriverCompletionFunc *cb, void *opaque);
+                           BlockCompletionFunc *cb, void *opaque);
 BlockAIOCB *bdrv_aio_discard(BlockDriverState *bs,
                              int64_t sector_num, int nb_sectors,
-                             BlockDriverCompletionFunc *cb, void *opaque);
+                             BlockCompletionFunc *cb, void *opaque);
 void bdrv_aio_cancel(BlockAIOCB *acb);
 void bdrv_aio_cancel_async(BlockAIOCB *acb);
 
@@ -346,7 +346,7 @@ typedef struct BlockRequest {
     int nb_sectors;
     int flags;
     QEMUIOVector *qiov;
-    BlockDriverCompletionFunc *cb;
+    BlockCompletionFunc *cb;
     void *opaque;
 
     /* Filled by multiwrite implementation */
@@ -360,7 +360,7 @@ int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs,
 int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf);
 BlockAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
         unsigned long int req, void *buf,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
 
 /* Invalidate any cached metadata used by image formats */
 void bdrv_invalidate_cache(BlockDriverState *bs, Error **errp);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index ab74618464..e8e33a8b43 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -130,15 +130,15 @@ struct BlockDriver {
     /* aio */
     BlockAIOCB *(*bdrv_aio_readv)(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
     BlockAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
     BlockAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
     BlockAIOCB *(*bdrv_aio_discard)(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
 
     int coroutine_fn (*bdrv_co_readv)(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors, QEMUIOVector *qiov);
@@ -220,7 +220,7 @@ struct BlockDriver {
     int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
     BlockAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs,
         unsigned long int req, void *buf,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
 
     /* List of options for creating images, terminated by name == NULL */
     QemuOptsList *create_opts;
@@ -501,7 +501,7 @@ int is_windows_drive(const char *filename);
  */
 void stream_start(BlockDriverState *bs, BlockDriverState *base,
                   const char *base_id, int64_t speed, BlockdevOnError on_error,
-                  BlockDriverCompletionFunc *cb,
+                  BlockCompletionFunc *cb,
                   void *opaque, Error **errp);
 
 /**
@@ -519,7 +519,7 @@ void stream_start(BlockDriverState *bs, BlockDriverState *base,
  */
 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);
 /**
  * commit_active_start:
@@ -535,7 +535,7 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base,
 void commit_active_start(BlockDriverState *bs, BlockDriverState *base,
                          int64_t speed,
                          BlockdevOnError on_error,
-                         BlockDriverCompletionFunc *cb,
+                         BlockCompletionFunc *cb,
                          void *opaque, Error **errp);
 /*
  * mirror_start:
@@ -563,7 +563,7 @@ 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);
 
 /*
@@ -584,7 +584,7 @@ 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);
 
 #endif /* BLOCK_INT_H */
diff --git a/include/block/blockjob.h b/include/block/blockjob.h
index 60aa835ec0..acb399f87d 100644
--- a/include/block/blockjob.h
+++ b/include/block/blockjob.h
@@ -104,7 +104,7 @@ struct BlockJob {
     int64_t speed;
 
     /** The completion function that will be called when the job completes.  */
-    BlockDriverCompletionFunc *cb;
+    BlockCompletionFunc *cb;
 
     /** Block other operations when block job is running */
     Error *blocker;
@@ -132,7 +132,7 @@ struct BlockJob {
  * called from a wrapper that is specific to the job type.
  */
 void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs,
-                       int64_t speed, BlockDriverCompletionFunc *cb,
+                       int64_t speed, BlockCompletionFunc *cb,
                        void *opaque, Error **errp);
 
 /**
diff --git a/include/block/thread-pool.h b/include/block/thread-pool.h
index 1fd57ec22d..42eb5e8421 100644
--- a/include/block/thread-pool.h
+++ b/include/block/thread-pool.h
@@ -29,7 +29,7 @@ void thread_pool_free(ThreadPool *pool);
 
 BlockAIOCB *thread_pool_submit_aio(ThreadPool *pool,
         ThreadPoolFunc *func, void *arg,
-        BlockDriverCompletionFunc *cb, void *opaque);
+        BlockCompletionFunc *cb, void *opaque);
 int coroutine_fn thread_pool_submit_co(ThreadPool *pool,
         ThreadPoolFunc *func, void *arg);
 void thread_pool_submit(ThreadPool *pool, ThreadPoolFunc *func, void *arg);
diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
index 78a5fc8197..47606d04ad 100644
--- a/include/monitor/monitor.h
+++ b/include/monitor/monitor.h
@@ -27,10 +27,10 @@ int monitor_suspend(Monitor *mon);
 void monitor_resume(Monitor *mon);
 
 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
-                                BlockDriverCompletionFunc *completion_cb,
+                                BlockCompletionFunc *completion_cb,
                                 void *opaque);
 int monitor_read_block_device_key(Monitor *mon, const char *device,
-                                  BlockDriverCompletionFunc *completion_cb,
+                                  BlockCompletionFunc *completion_cb,
                                   void *opaque);
 
 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp);
diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index 1bc22234f1..bcff53a2c2 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -199,18 +199,18 @@ void qemu_sglist_destroy(QEMUSGList *qsg);
 
 typedef BlockAIOCB *DMAIOFunc(BlockDriverState *bs, int64_t sector_num,
                               QEMUIOVector *iov, int nb_sectors,
-                              BlockDriverCompletionFunc *cb, void *opaque);
+                              BlockCompletionFunc *cb, void *opaque);
 
 BlockAIOCB *dma_bdrv_io(BlockDriverState *bs,
                         QEMUSGList *sg, uint64_t sector_num,
-                        DMAIOFunc *io_func, BlockDriverCompletionFunc *cb,
+                        DMAIOFunc *io_func, BlockCompletionFunc *cb,
                         void *opaque, DMADirection dir);
 BlockAIOCB *dma_bdrv_read(BlockDriverState *bs,
                           QEMUSGList *sg, uint64_t sector,
-                          BlockDriverCompletionFunc *cb, void *opaque);
+                          BlockCompletionFunc *cb, void *opaque);
 BlockAIOCB *dma_bdrv_write(BlockDriverState *bs,
                            QEMUSGList *sg, uint64_t sector,
-                           BlockDriverCompletionFunc *cb, void *opaque);
+                           BlockCompletionFunc *cb, void *opaque);
 uint64_t dma_buf_read(uint8_t *ptr, int32_t len, QEMUSGList *sg);
 uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg);
 
diff --git a/monitor.c b/monitor.c
index 412e63fdd9..fba4ce2fbe 100644
--- a/monitor.c
+++ b/monitor.c
@@ -206,7 +206,7 @@ struct Monitor {
     ReadLineState *rs;
     MonitorControl *mc;
     CPUState *mon_cpu;
-    BlockDriverCompletionFunc *password_completion_cb;
+    BlockCompletionFunc *password_completion_cb;
     void *password_opaque;
     mon_cmd_t *cmd_table;
     QError *error;
@@ -5374,7 +5374,7 @@ ReadLineState *monitor_get_rs(Monitor *mon)
 }
 
 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
-                                BlockDriverCompletionFunc *completion_cb,
+                                BlockCompletionFunc *completion_cb,
                                 void *opaque)
 {
     int err;
@@ -5406,7 +5406,7 @@ int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
 }
 
 int monitor_read_block_device_key(Monitor *mon, const char *device,
-                                  BlockDriverCompletionFunc *completion_cb,
+                                  BlockCompletionFunc *completion_cb,
                                   void *opaque)
 {
     BlockDriverState *bs;
diff --git a/thread-pool.c b/thread-pool.c
index 70ebb50e6d..e2cac8e4ff 100644
--- a/thread-pool.c
+++ b/thread-pool.c
@@ -235,7 +235,7 @@ static const AIOCBInfo thread_pool_aiocb_info = {
 
 BlockAIOCB *thread_pool_submit_aio(ThreadPool *pool,
         ThreadPoolFunc *func, void *arg,
-        BlockDriverCompletionFunc *cb, void *opaque)
+        BlockCompletionFunc *cb, void *opaque)
 {
     ThreadPoolElement *req;