[sheepdog] [PATCH v2 10/17] block/io: support int64_t bytes in read/write wrappers
Vladimir Sementsov-Ogievskiy
vsementsov at virtuozzo.com
Mon Apr 27 10:23:18 CEST 2020
Now, when bdrv_co_preadv_part() and bdrv_co_pwritev_part() updated,
update all their wrappers.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov at virtuozzo.com>
---
include/block/block.h | 10 +++++-----
include/block/block_int.h | 4 ++--
block/blkverify.c | 2 +-
block/io.c | 17 +++++++++--------
block/trace-events | 2 +-
5 files changed, 18 insertions(+), 17 deletions(-)
diff --git a/include/block/block.h b/include/block/block.h
index b05995fe9c..03abf30d1d 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -318,14 +318,14 @@ int bdrv_reopen_prepare(BDRVReopenState *reopen_state,
void bdrv_reopen_commit(BDRVReopenState *reopen_state);
void bdrv_reopen_abort(BDRVReopenState *reopen_state);
int bdrv_pwrite_zeroes(BdrvChild *child, int64_t offset,
- int bytes, BdrvRequestFlags flags);
+ int64_t bytes, BdrvRequestFlags flags);
int bdrv_make_zero(BdrvChild *child, BdrvRequestFlags flags);
-int bdrv_pread(BdrvChild *child, int64_t offset, void *buf, int bytes);
+int bdrv_pread(BdrvChild *child, int64_t offset, void *buf, int64_t bytes);
int bdrv_preadv(BdrvChild *child, int64_t offset, QEMUIOVector *qiov);
-int bdrv_pwrite(BdrvChild *child, int64_t offset, const void *buf, int bytes);
+int bdrv_pwrite(BdrvChild *child, int64_t offset, const void *buf, int64_t bytes);
int bdrv_pwritev(BdrvChild *child, int64_t offset, QEMUIOVector *qiov);
int bdrv_pwrite_sync(BdrvChild *child, int64_t offset,
- const void *buf, int count);
+ const void *buf, int64_t bytes);
/*
* Efficiently zero a region of the disk image. Note that this is a regular
* I/O request like read or write and should have a reasonable size. This
@@ -333,7 +333,7 @@ int bdrv_pwrite_sync(BdrvChild *child, int64_t offset,
* because it may allocate memory for the entire region.
*/
int coroutine_fn bdrv_co_pwrite_zeroes(BdrvChild *child, int64_t offset,
- int bytes, BdrvRequestFlags flags);
+ int64_t bytes, BdrvRequestFlags flags);
BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs,
const char *backing_file);
void bdrv_refresh_filename(BlockDriverState *bs);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 3c2a1d741a..b4b42d0cd6 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -972,13 +972,13 @@ extern BlockDriver bdrv_raw;
extern BlockDriver bdrv_qcow2;
int coroutine_fn bdrv_co_preadv(BdrvChild *child,
- int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
+ int64_t offset, int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int coroutine_fn bdrv_co_preadv_part(BdrvChild *child,
int64_t offset, int64_t bytes,
QEMUIOVector *qiov, size_t qiov_offset, BdrvRequestFlags flags);
int coroutine_fn bdrv_co_pwritev(BdrvChild *child,
- int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
+ int64_t offset, int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int coroutine_fn bdrv_co_pwritev_part(BdrvChild *child,
int64_t offset, int64_t bytes,
diff --git a/block/blkverify.c b/block/blkverify.c
index ba6b1853ae..667e60d832 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -31,7 +31,7 @@ typedef struct BlkverifyRequest {
uint64_t bytes;
int flags;
- int (*request_fn)(BdrvChild *, int64_t, unsigned int, QEMUIOVector *,
+ int (*request_fn)(BdrvChild *, int64_t, int64_t, QEMUIOVector *,
BdrvRequestFlags);
int ret; /* test image result */
diff --git a/block/io.c b/block/io.c
index 784eaf02f2..02632eaf59 100644
--- a/block/io.c
+++ b/block/io.c
@@ -946,7 +946,7 @@ static int bdrv_prwv_co(BdrvChild *child, int64_t offset,
}
int bdrv_pwrite_zeroes(BdrvChild *child, int64_t offset,
- int bytes, BdrvRequestFlags flags)
+ int64_t bytes, BdrvRequestFlags flags)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, NULL, bytes);
@@ -1008,7 +1008,7 @@ int bdrv_preadv(BdrvChild *child, int64_t offset, QEMUIOVector *qiov)
}
/* See bdrv_pwrite() for the return codes */
-int bdrv_pread(BdrvChild *child, int64_t offset, void *buf, int bytes)
+int bdrv_pread(BdrvChild *child, int64_t offset, void *buf, int64_t bytes)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
@@ -1037,7 +1037,8 @@ int bdrv_pwritev(BdrvChild *child, int64_t offset, QEMUIOVector *qiov)
-EINVAL Invalid offset or number of bytes
-EACCES Trying to write a read-only device
*/
-int bdrv_pwrite(BdrvChild *child, int64_t offset, const void *buf, int bytes)
+int bdrv_pwrite(BdrvChild *child, int64_t offset, const void *buf,
+ int64_t bytes)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
@@ -1055,11 +1056,11 @@ int bdrv_pwrite(BdrvChild *child, int64_t offset, const void *buf, int bytes)
* Returns 0 on success, -errno in error cases.
*/
int bdrv_pwrite_sync(BdrvChild *child, int64_t offset,
- const void *buf, int count)
+ const void *buf, int64_t bytes)
{
int ret;
- ret = bdrv_pwrite(child, offset, buf, count);
+ ret = bdrv_pwrite(child, offset, buf, bytes);
if (ret < 0) {
return ret;
}
@@ -1687,7 +1688,7 @@ static bool bdrv_pad_request(BlockDriverState *bs,
}
int coroutine_fn bdrv_co_preadv(BdrvChild *child,
- int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
+ int64_t offset, int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
return bdrv_co_preadv_part(child, offset, bytes, qiov, 0, flags);
@@ -2100,7 +2101,7 @@ out:
* Handle a write request in coroutine context
*/
int coroutine_fn bdrv_co_pwritev(BdrvChild *child,
- int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
+ int64_t offset, int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
return bdrv_co_pwritev_part(child, offset, bytes, qiov, 0, flags);
@@ -2177,7 +2178,7 @@ out:
}
int coroutine_fn bdrv_co_pwrite_zeroes(BdrvChild *child, int64_t offset,
- int bytes, BdrvRequestFlags flags)
+ int64_t bytes, BdrvRequestFlags flags)
{
trace_bdrv_co_pwrite_zeroes(child->bs, offset, bytes, flags);
diff --git a/block/trace-events b/block/trace-events
index dd367a9b19..13ad9af0d8 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -13,7 +13,7 @@ blk_root_detach(void *child, void *blk, void *bs) "child %p blk %p bs %p"
# io.c
bdrv_co_preadv_part(void *bs, int64_t offset, int64_t bytes, int flags) "bs %p offset %" PRId64 " bytes %" PRId64 " flags 0x%x"
bdrv_co_pwritev_part(void *bs, int64_t offset, int64_t bytes, int flags) "bs %p offset %" PRId64 " bytes %" PRId64 " flags 0x%x"
-bdrv_co_pwrite_zeroes(void *bs, int64_t offset, int count, int flags) "bs %p offset %"PRId64" count %d flags 0x%x"
+bdrv_co_pwrite_zeroes(void *bs, int64_t offset, int64_t bytes, int flags) "bs %p offset %" PRId64 " bytes %" PRId64 " flags 0x%x"
bdrv_co_do_copy_on_readv(void *bs, int64_t offset, int64_t bytes, int64_t cluster_offset, int64_t cluster_bytes) "bs %p offset %" PRId64 " bytes %" PRId64 " cluster_offset %" PRId64 " cluster_bytes %" PRId64
bdrv_co_copy_range_from(void *src, uint64_t src_offset, void *dst, uint64_t dst_offset, uint64_t bytes, int read_flags, int write_flags) "src %p offset %"PRIu64" dst %p offset %"PRIu64" bytes %"PRIu64" rw flags 0x%x 0x%x"
bdrv_co_copy_range_to(void *src, uint64_t src_offset, void *dst, uint64_t dst_offset, uint64_t bytes, int read_flags, int write_flags) "src %p offset %"PRIu64" dst %p offset %"PRIu64" bytes %"PRIu64" rw flags 0x%x 0x%x"
--
2.21.0
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