[3/3] block: use int64_t instead of uint64_t in driver handlers

diff --git a/include/block/block_int.h b/include/block/block_int.h
index 28aea2bcfd..ea8fca5e28 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -180,10 +180,10 @@  struct BlockDriver {
 
     /* aio */
     BlockAIOCB *(*bdrv_aio_preadv)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags,
+        int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags,
         BlockCompletionFunc *cb, void *opaque);
     BlockAIOCB *(*bdrv_aio_pwritev)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags,
+        int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags,
         BlockCompletionFunc *cb, void *opaque);
     BlockAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs,
         BlockCompletionFunc *cb, void *opaque);
@@ -210,9 +210,9 @@  struct BlockDriver {
      * The buffer in @qiov may point directly to guest memory.
      */
     int coroutine_fn (*bdrv_co_preadv)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags);
+        int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags);
     int coroutine_fn (*bdrv_co_preadv_part)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes,
+        int64_t offset, int64_t bytes,
         QEMUIOVector *qiov, size_t qiov_offset, int flags);
     int coroutine_fn (*bdrv_co_writev)(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors, QEMUIOVector *qiov, int flags);
@@ -232,9 +232,9 @@  struct BlockDriver {
      * The buffer in @qiov may point directly to guest memory.
      */
     int coroutine_fn (*bdrv_co_pwritev)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags);
+        int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags);
     int coroutine_fn (*bdrv_co_pwritev_part)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes,
+        int64_t offset, int64_t bytes,
         QEMUIOVector *qiov, size_t qiov_offset, int flags);
 
     /*
@@ -257,10 +257,10 @@  struct BlockDriver {
      */
     int coroutine_fn (*bdrv_co_copy_range_from)(BlockDriverState *bs,
                                                 BdrvChild *src,
-                                                uint64_t offset,
+                                                int64_t offset,
                                                 BdrvChild *dst,
-                                                uint64_t dst_offset,
-                                                uint64_t bytes,
+                                                int64_t dst_offset,
+                                                int64_t bytes,
                                                 BdrvRequestFlags read_flags,
                                                 BdrvRequestFlags write_flags);
 
@@ -274,10 +274,10 @@  struct BlockDriver {
      */
     int coroutine_fn (*bdrv_co_copy_range_to)(BlockDriverState *bs,
                                               BdrvChild *src,
-                                              uint64_t src_offset,
+                                              int64_t src_offset,
                                               BdrvChild *dst,
-                                              uint64_t dst_offset,
-                                              uint64_t bytes,
+                                              int64_t dst_offset,
+                                              int64_t bytes,
                                               BdrvRequestFlags read_flags,
                                               BdrvRequestFlags write_flags);
 
@@ -364,9 +364,9 @@  struct BlockDriver {
                                       Error **errp);
 
     int coroutine_fn (*bdrv_co_pwritev_compressed)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes, QEMUIOVector *qiov);
+        int64_t offset, int64_t bytes, QEMUIOVector *qiov);
     int coroutine_fn (*bdrv_co_pwritev_compressed_part)(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes, QEMUIOVector *qiov,
+        int64_t offset, int64_t bytes, QEMUIOVector *qiov,
         size_t qiov_offset);
 
     int (*bdrv_snapshot_create)(BlockDriverState *bs,
diff --git a/block/backup-top.c b/block/backup-top.c
index 3b50c06e2c..4190d465d6 100644
--- a/block/backup-top.c
+++ b/block/backup-top.c
@@ -42,7 +42,7 @@  typedef struct BDRVBackupTopState {
 } BDRVBackupTopState;
 
 static coroutine_fn int backup_top_co_preadv(
-        BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+        BlockDriverState *bs, int64_t offset, int64_t bytes,
         QEMUIOVector *qiov, int flags)
 {
     return bdrv_co_preadv(bs->backing, offset, bytes, qiov, flags);
@@ -87,8 +87,7 @@  static int coroutine_fn backup_top_co_pwrite_zeroes(BlockDriverState *bs,
 }
 
 static coroutine_fn int backup_top_co_pwritev(BlockDriverState *bs,
-                                              uint64_t offset,
-                                              uint64_t bytes,
+                                              int64_t offset, int64_t bytes,
                                               QEMUIOVector *qiov, int flags)
 {
     int ret = backup_top_cbw(bs, offset, bytes, flags);
diff --git a/block/blkdebug.c b/block/blkdebug.c
index af44aa973f..b4d0966982 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -619,7 +619,7 @@  static int rule_check(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
 }
 
 static int coroutine_fn
-blkdebug_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+blkdebug_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                    QEMUIOVector *qiov, int flags)
 {
     int err;
@@ -640,7 +640,7 @@  blkdebug_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
 }
 
 static int coroutine_fn
-blkdebug_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+blkdebug_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                     QEMUIOVector *qiov, int flags)
 {
     int err;
diff --git a/block/blklogwrites.c b/block/blklogwrites.c
index 04d8b33607..890a61dfba 100644
--- a/block/blklogwrites.c
+++ b/block/blklogwrites.c
@@ -307,7 +307,7 @@  static void blk_log_writes_refresh_limits(BlockDriverState *bs, Error **errp)
 }
 
 static int coroutine_fn
-blk_log_writes_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+blk_log_writes_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                          QEMUIOVector *qiov, int flags)
 {
     return bdrv_co_preadv(bs->file, offset, bytes, qiov, flags);
@@ -466,7 +466,7 @@  blk_log_writes_co_do_file_pdiscard(BlkLogWritesFileReq *fr)
 }
 
 static int coroutine_fn
-blk_log_writes_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+blk_log_writes_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                           QEMUIOVector *qiov, int flags)
 {
     return blk_log_writes_co_log(bs, offset, bytes, qiov, flags,
diff --git a/block/blkreplay.c b/block/blkreplay.c
index c96ac8f4bc..d93383a88f 100644
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -73,7 +73,7 @@  static void block_request_create(uint64_t reqid, BlockDriverState *bs,
 }
 
 static int coroutine_fn blkreplay_co_preadv(BlockDriverState *bs,
-    uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
+    int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     uint64_t reqid = blkreplay_next_id();
     int ret = bdrv_co_preadv(bs->file, offset, bytes, qiov, flags);
@@ -84,7 +84,7 @@  static int coroutine_fn blkreplay_co_preadv(BlockDriverState *bs,
 }
 
 static int coroutine_fn blkreplay_co_pwritev(BlockDriverState *bs,
-    uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
+    int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     uint64_t reqid = blkreplay_next_id();
     int ret = bdrv_co_pwritev(bs->file, offset, bytes, qiov, flags);
diff --git a/block/blkverify.c b/block/blkverify.c
index 667e60d832..a3c447fc68 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -224,7 +224,7 @@  blkverify_co_prwv(BlockDriverState *bs, BlkverifyRequest *r, uint64_t offset,
 }
 
 static int coroutine_fn
-blkverify_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+blkverify_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                     QEMUIOVector *qiov, int flags)
 {
     BlkverifyRequest r;
@@ -253,7 +253,7 @@  blkverify_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
 }
 
 static int coroutine_fn
-blkverify_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+blkverify_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                      QEMUIOVector *qiov, int flags)
 {
     BlkverifyRequest r;
diff --git a/block/bochs.c b/block/bochs.c
index 32bb83b268..08ae3793e4 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -238,7 +238,7 @@  static int64_t seek_to_sector(BlockDriverState *bs, int64_t sector_num)
 }
 
 static int coroutine_fn
-bochs_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+bochs_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                 QEMUIOVector *qiov, int flags)
 {
     BDRVBochsState *s = bs->opaque;
diff --git a/block/cloop.c b/block/cloop.c
index 4de94876d4..a5db202678 100644
--- a/block/cloop.c
+++ b/block/cloop.c
@@ -245,7 +245,7 @@  static inline int cloop_read_block(BlockDriverState *bs, int block_num)
 }
 
 static int coroutine_fn
-cloop_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+cloop_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                 QEMUIOVector *qiov, int flags)
 {
     BDRVCloopState *s = bs->opaque;
diff --git a/block/commit.c b/block/commit.c
index 8e672799af..951e4f623a 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -211,7 +211,7 @@  static const BlockJobDriver commit_job_driver = {
 };
 
 static int coroutine_fn bdrv_commit_top_preadv(BlockDriverState *bs,
-    uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
+    int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     return bdrv_co_preadv(bs->backing, offset, bytes, qiov, flags);
 }
diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index 242d3ff055..fc3186bacb 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -74,7 +74,7 @@  static int64_t cor_getlength(BlockDriverState *bs)
 
 
 static int coroutine_fn cor_co_preadv(BlockDriverState *bs,
-                                      uint64_t offset, uint64_t bytes,
+                                      int64_t offset, int64_t bytes,
                                       QEMUIOVector *qiov, int flags)
 {
     return bdrv_co_preadv(bs->file, offset, bytes, qiov,
@@ -83,7 +83,7 @@  static int coroutine_fn cor_co_preadv(BlockDriverState *bs,
 
 
 static int coroutine_fn cor_co_pwritev(BlockDriverState *bs,
-                                       uint64_t offset, uint64_t bytes,
+                                       int64_t offset, int64_t bytes,
                                        QEMUIOVector *qiov, int flags)
 {
 
diff --git a/block/crypto.c b/block/crypto.c
index d577f89659..ecb5697a4b 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -335,7 +335,7 @@  static int block_crypto_reopen_prepare(BDRVReopenState *state,
 #define BLOCK_CRYPTO_MAX_IO_SIZE (1024 * 1024)
 
 static coroutine_fn int
-block_crypto_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+block_crypto_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                        QEMUIOVector *qiov, int flags)
 {
     BlockCrypto *crypto = bs->opaque;
@@ -398,7 +398,7 @@  block_crypto_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
 
 
 static coroutine_fn int
-block_crypto_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+block_crypto_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                         QEMUIOVector *qiov, int flags)
 {
     BlockCrypto *crypto = bs->opaque;
diff --git a/block/curl.c b/block/curl.c
index 6e325901dc..305a7a5e95 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -922,7 +922,7 @@  out:
 }
 
 static int coroutine_fn curl_co_preadv(BlockDriverState *bs,
-        uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
+        int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     CURLAIOCB acb = {
         .co = qemu_coroutine_self(),
diff --git a/block/dmg.c b/block/dmg.c
index 4a045f2b3e..c378b4f555 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -689,7 +689,7 @@  static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
 }
 
 static int coroutine_fn
-dmg_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+dmg_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
               QEMUIOVector *qiov, int flags)
 {
     BDRVDMGState *s = bs->opaque;
diff --git a/block/file-posix.c b/block/file-posix.c
index 7e19bbff5f..76da620135 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -1941,15 +1941,15 @@  static int coroutine_fn raw_co_prw(BlockDriverState *bs, uint64_t offset,
     return raw_thread_pool_submit(bs, handle_aiocb_rw, &acb);
 }
 
-static int coroutine_fn raw_co_preadv(BlockDriverState *bs, uint64_t offset,
-                                      uint64_t bytes, QEMUIOVector *qiov,
+static int coroutine_fn raw_co_preadv(BlockDriverState *bs, int64_t offset,
+                                      int64_t bytes, QEMUIOVector *qiov,
                                       int flags)
 {
     return raw_co_prw(bs, offset, bytes, qiov, QEMU_AIO_READ);
 }
 
-static int coroutine_fn raw_co_pwritev(BlockDriverState *bs, uint64_t offset,
-                                       uint64_t bytes, QEMUIOVector *qiov,
+static int coroutine_fn raw_co_pwritev(BlockDriverState *bs, int64_t offset,
+                                       int64_t bytes, QEMUIOVector *qiov,
                                        int flags)
 {
     assert(flags == 0);
@@ -3034,8 +3034,8 @@  static void raw_abort_perm_update(BlockDriverState *bs)
 }
 
 static int coroutine_fn raw_co_copy_range_from(
-        BlockDriverState *bs, BdrvChild *src, uint64_t src_offset,
-        BdrvChild *dst, uint64_t dst_offset, uint64_t bytes,
+        BlockDriverState *bs, BdrvChild *src, int64_t src_offset,
+        BdrvChild *dst, int64_t dst_offset, int64_t bytes,
         BdrvRequestFlags read_flags, BdrvRequestFlags write_flags)
 {
     return bdrv_co_copy_range_to(src, src_offset, dst, dst_offset, bytes,
@@ -3044,10 +3044,10 @@  static int coroutine_fn raw_co_copy_range_from(
 
 static int coroutine_fn raw_co_copy_range_to(BlockDriverState *bs,
                                              BdrvChild *src,
-                                             uint64_t src_offset,
+                                             int64_t src_offset,
                                              BdrvChild *dst,
-                                             uint64_t dst_offset,
-                                             uint64_t bytes,
+                                             int64_t dst_offset,
+                                             int64_t bytes,
                                              BdrvRequestFlags read_flags,
                                              BdrvRequestFlags write_flags)
 {
diff --git a/block/filter-compress.c b/block/filter-compress.c
index 82c315b298..f2400fea37 100644
--- a/block/filter-compress.c
+++ b/block/filter-compress.c
@@ -62,7 +62,7 @@  static int64_t compress_getlength(BlockDriverState *bs)
 
 
 static int coroutine_fn compress_co_preadv_part(BlockDriverState *bs,
-                                                uint64_t offset, uint64_t bytes,
+                                                int64_t offset, int64_t bytes,
                                                 QEMUIOVector *qiov,
                                                 size_t qiov_offset,
                                                 int flags)
@@ -73,8 +73,8 @@  static int coroutine_fn compress_co_preadv_part(BlockDriverState *bs,
 
 
 static int coroutine_fn compress_co_pwritev_part(BlockDriverState *bs,
-                                                 uint64_t offset,
-                                                 uint64_t bytes,
+                                                 int64_t offset,
+                                                 int64_t bytes,
                                                  QEMUIOVector *qiov,
                                                  size_t qiov_offset, int flags)
 {
diff --git a/block/iscsi.c b/block/iscsi.c
index 4e216bd8aa..b403e67be7 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -2181,10 +2181,10 @@  static void coroutine_fn iscsi_co_invalidate_cache(BlockDriverState *bs,
 
 static int coroutine_fn iscsi_co_copy_range_from(BlockDriverState *bs,
                                                  BdrvChild *src,
-                                                 uint64_t src_offset,
+                                                 int64_t src_offset,
                                                  BdrvChild *dst,
-                                                 uint64_t dst_offset,
-                                                 uint64_t bytes,
+                                                 int64_t dst_offset,
+                                                 int64_t bytes,
                                                  BdrvRequestFlags read_flags,
                                                  BdrvRequestFlags write_flags)
 {
@@ -2322,10 +2322,10 @@  static void iscsi_xcopy_data(struct iscsi_data *data,
 
 static int coroutine_fn iscsi_co_copy_range_to(BlockDriverState *bs,
                                                BdrvChild *src,
-                                               uint64_t src_offset,
+                                               int64_t src_offset,
                                                BdrvChild *dst,
-                                               uint64_t dst_offset,
-                                               uint64_t bytes,
+                                               int64_t dst_offset,
+                                               int64_t bytes,
                                                BdrvRequestFlags read_flags,
                                                BdrvRequestFlags write_flags)
 {
diff --git a/block/mirror.c b/block/mirror.c
index c26fd9260d..687a91e654 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -1365,7 +1365,7 @@  static void coroutine_fn active_write_settle(MirrorOp *op)
 }
 
 static int coroutine_fn bdrv_mirror_top_preadv(BlockDriverState *bs,
-    uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
+    int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     return bdrv_co_preadv(bs->backing, offset, bytes, qiov, flags);
 }
@@ -1419,7 +1419,7 @@  out:
 }
 
 static int coroutine_fn bdrv_mirror_top_pwritev(BlockDriverState *bs,
-    uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
+    int64_t offset, int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     MirrorBDSOpaque *s = bs->opaque;
     QEMUIOVector bounce_qiov;
diff --git a/block/nbd.c b/block/nbd.c
index 2160859f64..54bce3911e 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -1160,8 +1160,8 @@  static int nbd_co_request(BlockDriverState *bs, NBDRequest *request,
     return ret ? ret : request_ret;
 }
 
-static int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset,
-                                uint64_t bytes, QEMUIOVector *qiov, int flags)
+static int nbd_client_co_preadv(BlockDriverState *bs, int64_t offset,
+                                int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     int ret, request_ret;
     Error *local_err = NULL;
@@ -1218,8 +1218,8 @@  static int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset,
     return ret ? ret : request_ret;
 }
 
-static int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset,
-                                 uint64_t bytes, QEMUIOVector *qiov, int flags)
+static int nbd_client_co_pwritev(BlockDriverState *bs, int64_t offset,
+                                 int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;
     NBDRequest request = {
diff --git a/block/nfs.c b/block/nfs.c
index cc2413d5ab..d59d8e7d32 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -263,8 +263,8 @@  nfs_co_generic_cb(int ret, struct nfs_context *nfs, void *data,
                                      nfs_co_generic_bh_cb, task);
 }
 
-static int coroutine_fn nfs_co_preadv(BlockDriverState *bs, uint64_t offset,
-                                      uint64_t bytes, QEMUIOVector *iov,
+static int coroutine_fn nfs_co_preadv(BlockDriverState *bs, int64_t offset,
+                                      int64_t bytes, QEMUIOVector *iov,
                                       int flags)
 {
     NFSClient *client = bs->opaque;
@@ -298,8 +298,8 @@  static int coroutine_fn nfs_co_preadv(BlockDriverState *bs, uint64_t offset,
     return 0;
 }
 
-static int coroutine_fn nfs_co_pwritev(BlockDriverState *bs, uint64_t offset,
-                                       uint64_t bytes, QEMUIOVector *iov,
+static int coroutine_fn nfs_co_pwritev(BlockDriverState *bs, int64_t offset,
+                                       int64_t bytes, QEMUIOVector *iov,
                                        int flags)
 {
     NFSClient *client = bs->opaque;
diff --git a/block/null.c b/block/null.c
index 15e1d56746..cac37e7ba6 100644
--- a/block/null.c
+++ b/block/null.c
@@ -116,7 +116,7 @@  static coroutine_fn int null_co_common(BlockDriverState *bs)
 }
 
 static coroutine_fn int null_co_preadv(BlockDriverState *bs,
-                                       uint64_t offset, uint64_t bytes,
+                                       int64_t offset, int64_t bytes,
                                        QEMUIOVector *qiov, int flags)
 {
     BDRVNullState *s = bs->opaque;
@@ -129,7 +129,7 @@  static coroutine_fn int null_co_preadv(BlockDriverState *bs,
 }
 
 static coroutine_fn int null_co_pwritev(BlockDriverState *bs,
-                                        uint64_t offset, uint64_t bytes,
+                                        int64_t offset, int64_t bytes,
                                         QEMUIOVector *qiov, int flags)
 {
     return null_co_common(bs);
@@ -187,7 +187,7 @@  static inline BlockAIOCB *null_aio_common(BlockDriverState *bs,
 }
 
 static BlockAIOCB *null_aio_preadv(BlockDriverState *bs,
-                                   uint64_t offset, uint64_t bytes,
+                                   int64_t offset, int64_t bytes,
                                    QEMUIOVector *qiov, int flags,
                                    BlockCompletionFunc *cb,
                                    void *opaque)
@@ -202,7 +202,7 @@  static BlockAIOCB *null_aio_preadv(BlockDriverState *bs,
 }
 
 static BlockAIOCB *null_aio_pwritev(BlockDriverState *bs,
-                                    uint64_t offset, uint64_t bytes,
+                                    int64_t offset, int64_t bytes,
                                     QEMUIOVector *qiov, int flags,
                                     BlockCompletionFunc *cb,
                                     void *opaque)
diff --git a/block/nvme.c b/block/nvme.c
index 7b7c0cc5d6..db7fffe94f 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -1062,14 +1062,14 @@  static int nvme_co_prw(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
 }
 
 static coroutine_fn int nvme_co_preadv(BlockDriverState *bs,
-                                       uint64_t offset, uint64_t bytes,
+                                       int64_t offset, int64_t bytes,
                                        QEMUIOVector *qiov, int flags)
 {
     return nvme_co_prw(bs, offset, bytes, qiov, false, flags);
 }
 
 static coroutine_fn int nvme_co_pwritev(BlockDriverState *bs,
-                                        uint64_t offset, uint64_t bytes,
+                                        int64_t offset, int64_t bytes,
                                         QEMUIOVector *qiov, int flags)
 {
     return nvme_co_prw(bs, offset, bytes, qiov, true, flags);
diff --git a/block/qcow.c b/block/qcow.c
index 8973e4e565..9583e8e8b2 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -628,8 +628,8 @@  static void qcow_refresh_limits(BlockDriverState *bs, Error **errp)
     bs->bl.request_alignment = BDRV_SECTOR_SIZE;
 }
 
-static coroutine_fn int qcow_co_preadv(BlockDriverState *bs, uint64_t offset,
-                                       uint64_t bytes, QEMUIOVector *qiov,
+static coroutine_fn int qcow_co_preadv(BlockDriverState *bs, int64_t offset,
+                                       int64_t bytes, QEMUIOVector *qiov,
                                        int flags)
 {
     BDRVQcowState *s = bs->opaque;
@@ -725,8 +725,8 @@  static coroutine_fn int qcow_co_preadv(BlockDriverState *bs, uint64_t offset,
     return ret;
 }
 
-static coroutine_fn int qcow_co_pwritev(BlockDriverState *bs, uint64_t offset,
-                                        uint64_t bytes, QEMUIOVector *qiov,
+static coroutine_fn int qcow_co_pwritev(BlockDriverState *bs, int64_t offset,
+                                        int64_t bytes, QEMUIOVector *qiov,
                                         int flags)
 {
     BDRVQcowState *s = bs->opaque;
@@ -1049,8 +1049,8 @@  static int qcow_make_empty(BlockDriverState *bs)
 /* XXX: put compressed sectors first, then all the cluster aligned
    tables to avoid losing bytes in alignment */
 static coroutine_fn int
-qcow_co_pwritev_compressed(BlockDriverState *bs, uint64_t offset,
-                           uint64_t bytes, QEMUIOVector *qiov)
+qcow_co_pwritev_compressed(BlockDriverState *bs, int64_t offset, int64_t bytes,
+                           QEMUIOVector *qiov)
 {
     BDRVQcowState *s = bs->opaque;
     z_stream strm;
diff --git a/block/qcow2.c b/block/qcow2.c
index 2bb536b014..4d4f972187 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2202,7 +2202,7 @@  static coroutine_fn int qcow2_co_preadv_task_entry(AioTask *task)
 }
 
 static coroutine_fn int qcow2_co_preadv_part(BlockDriverState *bs,
-                                             uint64_t offset, uint64_t bytes,
+                                             int64_t offset, int64_t bytes,
                                              QEMUIOVector *qiov,
                                              size_t qiov_offset, int flags)
 {
@@ -2475,7 +2475,7 @@  static coroutine_fn int qcow2_co_pwritev_task_entry(AioTask *task)
 }
 
 static coroutine_fn int qcow2_co_pwritev_part(
-        BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+        BlockDriverState *bs, int64_t offset, int64_t bytes,
         QEMUIOVector *qiov, size_t qiov_offset, int flags)
 {
     BDRVQcow2State *s = bs->opaque;
@@ -3803,9 +3803,9 @@  static coroutine_fn int qcow2_co_pdiscard(BlockDriverState *bs,
 
 static int coroutine_fn
 qcow2_co_copy_range_from(BlockDriverState *bs,
-                         BdrvChild *src, uint64_t src_offset,
-                         BdrvChild *dst, uint64_t dst_offset,
-                         uint64_t bytes, BdrvRequestFlags read_flags,
+                         BdrvChild *src, int64_t src_offset,
+                         BdrvChild *dst, int64_t dst_offset,
+                         int64_t bytes, BdrvRequestFlags read_flags,
                          BdrvRequestFlags write_flags)
 {
     BDRVQcow2State *s = bs->opaque;
@@ -3884,9 +3884,9 @@  out:
 
 static int coroutine_fn
 qcow2_co_copy_range_to(BlockDriverState *bs,
-                       BdrvChild *src, uint64_t src_offset,
-                       BdrvChild *dst, uint64_t dst_offset,
-                       uint64_t bytes, BdrvRequestFlags read_flags,
+                       BdrvChild *src, int64_t src_offset,
+                       BdrvChild *dst, int64_t dst_offset,
+                       int64_t bytes, BdrvRequestFlags read_flags,
                        BdrvRequestFlags write_flags)
 {
     BDRVQcow2State *s = bs->opaque;
@@ -4322,7 +4322,7 @@  static coroutine_fn int qcow2_co_pwritev_compressed_task_entry(AioTask *task)
  */
 static coroutine_fn int
 qcow2_co_pwritev_compressed_part(BlockDriverState *bs,
-                                 uint64_t offset, uint64_t bytes,
+                                 int64_t offset, int64_t bytes,
                                  QEMUIOVector *qiov, size_t qiov_offset)
 {
     BDRVQcow2State *s = bs->opaque;
diff --git a/block/quorum.c b/block/quorum.c
index 6d7a56bd93..4164c3fbf8 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -660,8 +660,8 @@  static int read_fifo_child(QuorumAIOCB *acb)
     return ret;
 }
 
-static int quorum_co_preadv(BlockDriverState *bs, uint64_t offset,
-                            uint64_t bytes, QEMUIOVector *qiov, int flags)
+static int quorum_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
+                            QEMUIOVector *qiov, int flags)
 {
     BDRVQuorumState *s = bs->opaque;
     QuorumAIOCB *acb = quorum_aio_get(bs, qiov, offset, bytes, flags);
@@ -706,8 +706,8 @@  static void write_quorum_entry(void *opaque)
     }
 }
 
-static int quorum_co_pwritev(BlockDriverState *bs, uint64_t offset,
-                             uint64_t bytes, QEMUIOVector *qiov, int flags)
+static int quorum_co_pwritev(BlockDriverState *bs, int64_t offset,
+                             int64_t bytes, QEMUIOVector *qiov, int flags)
 {
     BDRVQuorumState *s = bs->opaque;
     QuorumAIOCB *acb = quorum_aio_get(bs, qiov, offset, bytes, flags);
diff --git a/block/raw-format.c b/block/raw-format.c
index 93b25e1b6b..2537755f84 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -171,8 +171,8 @@  static void raw_reopen_abort(BDRVReopenState *state)
 }
 
 /* Check and adjust the offset, against 'offset' and 'size' options. */
-static inline int raw_adjust_offset(BlockDriverState *bs, uint64_t *offset,
-                                    uint64_t bytes, bool is_write)
+static inline int raw_adjust_offset(BlockDriverState *bs, int64_t *offset,
+                                    int64_t bytes, bool is_write)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -191,8 +191,8 @@  static inline int raw_adjust_offset(BlockDriverState *bs, uint64_t *offset,
     return 0;
 }
 
-static int coroutine_fn raw_co_preadv(BlockDriverState *bs, uint64_t offset,
-                                      uint64_t bytes, QEMUIOVector *qiov,
+static int coroutine_fn raw_co_preadv(BlockDriverState *bs, int64_t offset,
+                                      int64_t bytes, QEMUIOVector *qiov,
                                       int flags)
 {
     int ret;
@@ -206,8 +206,8 @@  static int coroutine_fn raw_co_preadv(BlockDriverState *bs, uint64_t offset,
     return bdrv_co_preadv(bs->file, offset, bytes, qiov, flags);
 }
 
-static int coroutine_fn raw_co_pwritev(BlockDriverState *bs, uint64_t offset,
-                                       uint64_t bytes, QEMUIOVector *qiov,
+static int coroutine_fn raw_co_pwritev(BlockDriverState *bs, int64_t offset,
+                                       int64_t bytes, QEMUIOVector *qiov,
                                        int flags)
 {
     void *buf = NULL;
@@ -284,7 +284,7 @@  static int coroutine_fn raw_co_pwrite_zeroes(BlockDriverState *bs,
 {
     int ret;
 
-    ret = raw_adjust_offset(bs, (uint64_t *)&offset, bytes, true);
+    ret = raw_adjust_offset(bs, &offset, bytes, true);
     if (ret) {
         return ret;
     }
@@ -296,7 +296,7 @@  static int coroutine_fn raw_co_pdiscard(BlockDriverState *bs,
 {
     int ret;
 
-    ret = raw_adjust_offset(bs, (uint64_t *)&offset, bytes, true);
+    ret = raw_adjust_offset(bs, &offset, bytes, true);
     if (ret) {
         return ret;
     }
@@ -507,10 +507,10 @@  static int raw_probe_geometry(BlockDriverState *bs, HDGeometry *geo)
 
 static int coroutine_fn raw_co_copy_range_from(BlockDriverState *bs,
                                                BdrvChild *src,
-                                               uint64_t src_offset,
+                                               int64_t src_offset,
                                                BdrvChild *dst,
-                                               uint64_t dst_offset,
-                                               uint64_t bytes,
+                                               int64_t dst_offset,
+                                               int64_t bytes,
                                                BdrvRequestFlags read_flags,
                                                BdrvRequestFlags write_flags)
 {
@@ -526,10 +526,10 @@  static int coroutine_fn raw_co_copy_range_from(BlockDriverState *bs,
 
 static int coroutine_fn raw_co_copy_range_to(BlockDriverState *bs,
                                              BdrvChild *src,
-                                             uint64_t src_offset,
+                                             int64_t src_offset,
                                              BdrvChild *dst,
-                                             uint64_t dst_offset,
-                                             uint64_t bytes,
+                                             int64_t dst_offset,
+                                             int64_t bytes,
                                              BdrvRequestFlags read_flags,
                                              BdrvRequestFlags write_flags)
 {
diff --git a/block/rbd.c b/block/rbd.c
index e637639a07..412df8cdb7 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -1034,7 +1034,7 @@  failed:
 }
 
 static BlockAIOCB *qemu_rbd_aio_preadv(BlockDriverState *bs,
-                                       uint64_t offset, uint64_t bytes,
+                                       int64_t offset, int64_t bytes,
                                        QEMUIOVector *qiov, int flags,
                                        BlockCompletionFunc *cb,
                                        void *opaque)
@@ -1044,7 +1044,7 @@  static BlockAIOCB *qemu_rbd_aio_preadv(BlockDriverState *bs,
 }
 
 static BlockAIOCB *qemu_rbd_aio_pwritev(BlockDriverState *bs,
-                                        uint64_t offset, uint64_t bytes,
+                                        int64_t offset, int64_t bytes,
                                         QEMUIOVector *qiov, int flags,
                                         BlockCompletionFunc *cb,
                                         void *opaque)
diff --git a/block/throttle.c b/block/throttle.c
index 71f4bb0ad1..28e73073e7 100644
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -114,7 +114,7 @@  static int64_t throttle_getlength(BlockDriverState *bs)
 }
 
 static int coroutine_fn throttle_co_preadv(BlockDriverState *bs,
-                                           uint64_t offset, uint64_t bytes,
+                                           int64_t offset, int64_t bytes,
                                            QEMUIOVector *qiov, int flags)
 {
 
@@ -125,7 +125,7 @@  static int coroutine_fn throttle_co_preadv(BlockDriverState *bs,
 }
 
 static int coroutine_fn throttle_co_pwritev(BlockDriverState *bs,
-                                            uint64_t offset, uint64_t bytes,
+                                            int64_t offset, int64_t bytes,
                                             QEMUIOVector *qiov, int flags)
 {
     ThrottleGroupMember *tgm = bs->opaque;
diff --git a/block/vdi.c b/block/vdi.c
index e1a11f2aa0..07ad195239 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -547,7 +547,7 @@  static int coroutine_fn vdi_co_block_status(BlockDriverState *bs,
 }
 
 static int coroutine_fn
-vdi_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vdi_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
               QEMUIOVector *qiov, int flags)
 {
     BDRVVdiState *s = bs->opaque;
@@ -603,7 +603,7 @@  vdi_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
 }
 
 static int coroutine_fn
-vdi_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vdi_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                QEMUIOVector *qiov, int flags)
 {
     BDRVVdiState *s = bs->opaque;
diff --git a/block/vmdk.c b/block/vmdk.c
index 218d9c9800..a88e9c9ba4 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1868,7 +1868,7 @@  static int vmdk_read_extent(VmdkExtent *extent, int64_t cluster_offset,
 }
 
 static int coroutine_fn
-vmdk_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vmdk_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                QEMUIOVector *qiov, int flags)
 {
     BDRVVmdkState *s = bs->opaque;
@@ -2048,7 +2048,7 @@  static int vmdk_pwritev(BlockDriverState *bs, uint64_t offset,
 }
 
 static int coroutine_fn
-vmdk_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vmdk_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                 QEMUIOVector *qiov, int flags)
 {
     int ret;
@@ -2060,8 +2060,8 @@  vmdk_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
 }
 
 static int coroutine_fn
-vmdk_co_pwritev_compressed(BlockDriverState *bs, uint64_t offset,
-                           uint64_t bytes, QEMUIOVector *qiov)
+vmdk_co_pwritev_compressed(BlockDriverState *bs, int64_t offset, int64_t bytes,
+                           QEMUIOVector *qiov)
 {
     if (bytes == 0) {
         /* The caller will write bytes 0 to signal EOF.
diff --git a/block/vpc.c b/block/vpc.c
index 6df75e22dc..960c198afc 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -611,7 +611,7 @@  static int vpc_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
 }
 
 static int coroutine_fn
-vpc_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vpc_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
               QEMUIOVector *qiov, int flags)
 {
     BDRVVPCState *s = bs->opaque;
@@ -662,7 +662,7 @@  fail:
 }
 
 static int coroutine_fn
-vpc_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vpc_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                QEMUIOVector *qiov, int flags)
 {
     BDRVVPCState *s = bs->opaque;
diff --git a/block/vvfat.c b/block/vvfat.c
index ab800c4887..97e6b0e2a5 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1538,7 +1538,7 @@  static int vvfat_read(BlockDriverState *bs, int64_t sector_num,
 }
 
 static int coroutine_fn
-vvfat_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vvfat_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                 QEMUIOVector *qiov, int flags)
 {
     int ret;
@@ -3073,7 +3073,7 @@  DLOG(checkpoint());
 }
 
 static int coroutine_fn
-vvfat_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+vvfat_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                  QEMUIOVector *qiov, int flags)
 {
     int ret;
@@ -3111,7 +3111,7 @@  static int coroutine_fn vvfat_co_block_status(BlockDriverState *bs,
 }
 
 static int coroutine_fn
-write_target_commit(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+write_target_commit(BlockDriverState *bs, int64_t offset, int64_t bytes,
                     QEMUIOVector *qiov, int flags)
 {
     int ret;
diff --git a/tests/test-bdrv-drain.c b/tests/test-bdrv-drain.c
index fa0e6a648b..c03b021777 100644
--- a/tests/test-bdrv-drain.c
+++ b/tests/test-bdrv-drain.c
@@ -65,7 +65,7 @@  static void co_reenter_bh(void *opaque)
 }
 
 static int coroutine_fn bdrv_test_co_preadv(BlockDriverState *bs,
-                                            uint64_t offset, uint64_t bytes,
+                                            int64_t offset, int64_t bytes,
                                             QEMUIOVector *qiov, int flags)
 {
     BDRVTestState *s = bs->opaque;
@@ -1120,7 +1120,7 @@  static void bdrv_test_top_close(BlockDriverState *bs)
 }
 
 static int coroutine_fn bdrv_test_top_co_preadv(BlockDriverState *bs,
-                                                uint64_t offset, uint64_t bytes,
+                                                int64_t offset, int64_t bytes,
                                                 QEMUIOVector *qiov, int flags)
 {
     BDRVTestTopState *tts = bs->opaque;
@@ -1862,8 +1862,8 @@  static void bdrv_replace_test_close(BlockDriverState *bs)
  *   Set .has_read to true and return success.
  */
 static int coroutine_fn bdrv_replace_test_co_preadv(BlockDriverState *bs,
-                                                    uint64_t offset,
-                                                    uint64_t bytes,
+                                                    int64_t offset,
+                                                    int64_t bytes,
                                                     QEMUIOVector *qiov,
                                                     int flags)
 {
diff --git a/block/trace-events b/block/trace-events
index e4d68438af..b7fc837015 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -78,7 +78,7 @@  luring_resubmit_short_read(void *s, void *luringcb, int nread) "LuringState %p l
 
 # qcow2.c
 qcow2_add_task(void *co, void *bs, void *pool, const char *action, int cluster_type, uint64_t file_cluster_offset, uint64_t offset, uint64_t bytes, void *qiov, size_t qiov_offset) "co %p bs %p pool %p: %s: cluster_type %d file_cluster_offset %" PRIu64 " offset %" PRIu64 " bytes %" PRIu64 " qiov %p qiov_offset %zu"
-qcow2_writev_start_req(void *co, int64_t offset, int bytes) "co %p offset 0x%" PRIx64 " bytes %d"
+qcow2_writev_start_req(void *co, int64_t offset, int64_t bytes) "co %p offset 0x%" PRIx64 " bytes %" PRId64
 qcow2_writev_done_req(void *co, int ret) "co %p ret %d"
 qcow2_writev_start_part(void *co) "co %p"
 qcow2_writev_done_part(void *co, int cur_bytes) "co %p cur_bytes %d"