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block: Make 'bytes' param of blk_{pread,pwrite}() an int64_t

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For consistency with other I/O functions, and in preparation to
implement them using generated_co_wrapper.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220705161527.1054072-5-afaria@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-07-05 17:15:12 +01:00 committed by Hanna Reitz
parent a9262f551e
commit 40fb4861b2
2 changed files with 6 additions and 6 deletions
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6
block/block-backend.c
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@ -1563,7 +1563,7 @@ BlockAIOCB *blk_aio_pwrite_zeroes(BlockBackend *blk, int64_t offset,
flags | BDRV_REQ_ZERO_WRITE, cb, opaque); flags | BDRV_REQ_ZERO_WRITE, cb, opaque);
} }
int blk_pread(BlockBackend *blk, int64_t offset, int bytes, void *buf, int blk_pread(BlockBackend *blk, int64_t offset, int64_t bytes, void *buf,
BdrvRequestFlags flags) BdrvRequestFlags flags)
{ {
int ret; int ret;
@ -1577,8 +1577,8 @@ int blk_pread(BlockBackend *blk, int64_t offset, int bytes, void *buf,
return ret; return ret;
} }
int blk_pwrite(BlockBackend *blk, int64_t offset, int bytes, const void *buf, int blk_pwrite(BlockBackend *blk, int64_t offset, int64_t bytes,
BdrvRequestFlags flags) const void *buf, BdrvRequestFlags flags)
{ {
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
IO_OR_GS_CODE(); IO_OR_GS_CODE();

6
include/sysemu/block-backend-io.h
View File

@ -101,10 +101,10 @@ int coroutine_fn blk_co_copy_range(BlockBackend *blk_in, int64_t off_in,
* the "I/O or GS" API. * the "I/O or GS" API.
*/ */
int blk_pread(BlockBackend *blk, int64_t offset, int bytes, void *buf, int blk_pread(BlockBackend *blk, int64_t offset, int64_t bytes, void *buf,
BdrvRequestFlags flags);
int blk_pwrite(BlockBackend *blk, int64_t offset, int bytes, const void *buf,
BdrvRequestFlags flags); BdrvRequestFlags flags);
int blk_pwrite(BlockBackend *blk, int64_t offset, int64_t bytes,
const void *buf, BdrvRequestFlags flags);
int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov, int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags); BdrvRequestFlags flags);