diff mbox series

[v3,15/17] block: use int64_t instead of uint64_t in copy_range driver handlers

Message ID 20200430111033.29980-16-vsementsov@virtuozzo.com
State Superseded
Headers show
Series None | expand

Commit Message

Vladimir Sementsov-Ogievskiy April 30, 2020, 11:10 a.m. UTC 
We are generally moving to int64_t for both offset and bytes parameters
on all io paths.

Main motivation is realization of 64-bit write_zeroes operation for
fast zeroing large disk chunks, up to the whole disk.

We chose signed type, to be consistent with off_t (which is signed) and
with possibility for signed return type (where negative value means
error).

So, convert driver copy_range handlers parameters which are already
64bit to signed type.

Series: 64bit-block-status
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 include/block/block_int.h | 12 ++++++------
 block/file-posix.c        | 10 +++++-----
 block/iscsi.c             | 12 ++++++------
 block/qcow2.c             | 12 ++++++------
 block/raw-format.c        | 16 ++++++++--------
 5 files changed, 31 insertions(+), 31 deletions(-)
diff mbox series

Patch

diff --git a/include/block/block_int.h b/include/block/block_int.h
index 9e8819bc28..3f08baeff0 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -259,10 +259,10 @@  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);
 
@@ -276,10 +276,10 @@  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);
 
diff --git a/block/file-posix.c b/block/file-posix.c
index 2c21f785b4..38c1398494 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -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/iscsi.c b/block/iscsi.c
index 0b4b7210df..861a70c823 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -2180,10 +2180,10 @@  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)
 {
@@ -2321,10 +2321,10 @@  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/qcow2.c b/block/qcow2.c
index ce1c123cb7..15a6d3c6ef 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3810,9 +3810,9 @@  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;
@@ -3891,9 +3891,9 @@  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;
diff --git a/block/raw-format.c b/block/raw-format.c
index 3a393a31c7..fdf024705b 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -507,16 +507,16 @@  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)
 {
     int ret;
 
-    ret = raw_adjust_offset(bs, (int64_t *)&src_offset, bytes, false);
+    ret = raw_adjust_offset(bs, &src_offset, bytes, false);
     if (ret) {
         return ret;
     }
@@ -526,16 +526,16 @@  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)
 {
     int ret;
 
-    ret = raw_adjust_offset(bs, (int64_t *)&dst_offset, bytes, true);
+    ret = raw_adjust_offset(bs, &dst_offset, bytes, true);
     if (ret) {
         return ret;
     }