[v2,14/17] block: use int64_t instead of uint64_t in driver write handlers

diff --git a/include/block/block_int.h b/include/block/block_int.h
index 1588df02c2..0da54cdf48 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -183,7 +183,7 @@  struct BlockDriver {
         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);
@@ -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);
 
     /*
@@ -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 49fd8763cc..4190d465d6 100644
--- a/block/backup-top.c
+++ b/block/backup-top.c
@@ -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 b61275f229..b4d0966982 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -640,7 +640,7 @@  blkdebug_co_preadv(BlockDriverState *bs, int64_t offset, int64_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 6e5bd09993..890a61dfba 100644
--- a/block/blklogwrites.c
+++ b/block/blklogwrites.c
@@ -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 70bc1158e1..d93383a88f 100644
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -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 f456c99814..a3c447fc68 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -253,7 +253,7 @@  blkverify_co_preadv(BlockDriverState *bs, int64_t offset, int64_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/copy-on-read.c b/block/copy-on-read.c
index 0f6b5398b1..fc3186bacb 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -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 1117b1fafe..ecb5697a4b 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -398,7 +398,7 @@  block_crypto_co_preadv(BlockDriverState *bs, int64_t offset, int64_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/file-posix.c b/block/file-posix.c
index 87415a0a3c..688f2fa54c 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -1948,8 +1948,8 @@  static int coroutine_fn raw_co_preadv(BlockDriverState *bs, int64_t offset,
     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);
diff --git a/block/filter-compress.c b/block/filter-compress.c
index 496bbd9e4b..f2400fea37 100644
--- a/block/filter-compress.c
+++ b/block/filter-compress.c
@@ -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/mirror.c b/block/mirror.c
index 51ff4ffd43..687a91e654 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -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 d878caa7ad..54bce3911e 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -1218,8 +1218,8 @@  static int nbd_client_co_preadv(BlockDriverState *bs, int64_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 7bcb068715..d59d8e7d32 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -298,8 +298,8 @@  static int coroutine_fn nfs_co_preadv(BlockDriverState *bs, int64_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 483e1eebb2..cac37e7ba6 100644
--- a/block/null.c
+++ b/block/null.c
@@ -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);
@@ -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 254943672a..db7fffe94f 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -1069,7 +1069,7 @@  static coroutine_fn int nvme_co_preadv(BlockDriverState *bs,
 }
 
 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 b3376465f4..9583e8e8b2 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -725,8 +725,8 @@  static coroutine_fn int qcow_co_preadv(BlockDriverState *bs, int64_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 45ed81304a..ed5e456b09 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -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;
@@ -4328,7 +4328,7 @@  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 b51d6bdc41..4164c3fbf8 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -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 edce5f66c5..d5ff7012b7 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -206,8 +206,8 @@  static int coroutine_fn raw_co_preadv(BlockDriverState *bs, int64_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;
@@ -249,7 +249,7 @@  static int coroutine_fn raw_co_pwritev(BlockDriverState *bs, uint64_t offset,
         qiov = &local_qiov;
     }
 
-    ret = raw_adjust_offset(bs, (int64_t *)&offset, bytes, true);
+    ret = raw_adjust_offset(bs, &offset, bytes, true);
     if (ret) {
         goto fail;
     }
@@ -284,7 +284,7 @@  static int coroutine_fn raw_co_pwrite_zeroes(BlockDriverState *bs,
 {
     int ret;
 
-    ret = raw_adjust_offset(bs, (int64_t *)&offset, bytes, true);
+    ret = raw_adjust_offset(bs, &offset, bytes, true);
     if (ret) {
         return ret;
     }
diff --git a/block/rbd.c b/block/rbd.c
index bc96e69fe9..412df8cdb7 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -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 81ff98ac30..28e73073e7 100644
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -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 0b395dc3cc..07ad195239 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -603,7 +603,7 @@  vdi_co_preadv(BlockDriverState *bs, int64_t offset, int64_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 acad4118e4..a88e9c9ba4 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -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 cc9c9b2297..90a402eb41 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -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 b177ee7672..97e6b0e2a5 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -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/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"