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block: Reorganize some declarations in block-backend-io.h 

Keep generated_co_wrapper and coroutine_fn pairs together. This should
make it clear that each I/O function has these two versions.

Also move blk_co_{pread,pwrite}()'s implementations out of the header
file for consistency.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220705161527.1054072-18-afaria@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-07-05 17:15:25 +01:00 committed by Hanna Reitz
parent 015ed2529a
commit 6f675c9306
2 changed files with 54 additions and 45 deletions
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22
block/block-backend.c
View File

@ -1314,6 +1314,17 @@ blk_co_do_preadv_part(BlockBackend *blk, int64_t offset, int64_t bytes,
return ret;
}
int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset, int64_t bytes,
void *buf, BdrvRequestFlags flags)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
IO_OR_GS_CODE();
assert(bytes <= SIZE_MAX);
return blk_co_preadv(blk, offset, bytes, &qiov, flags);
}
int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)
@ -1395,6 +1406,17 @@ int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
return ret;
}
int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset, int64_t bytes,
const void *buf, BdrvRequestFlags flags)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
IO_OR_GS_CODE();
assert(bytes <= SIZE_MAX);
return blk_co_pwritev(blk, offset, bytes, &qiov, flags);
}
int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)

77
include/sysemu/block-backend-io.h
View File

@ -104,9 +104,16 @@ int coroutine_fn blk_co_copy_range(BlockBackend *blk_in, int64_t off_in,
int generated_co_wrapper blk_pread(BlockBackend *blk, int64_t offset,
int64_t bytes, void *buf,
BdrvRequestFlags flags);
int generated_co_wrapper blk_pwrite(BlockBackend *blk, int64_t offset,
int64_t bytes, const void *buf,
int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset, int64_t bytes,
void *buf, BdrvRequestFlags flags);
int generated_co_wrapper blk_preadv(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int generated_co_wrapper blk_preadv_part(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
size_t qiov_offset,
@ -114,12 +121,20 @@ int generated_co_wrapper blk_preadv_part(BlockBackend *blk, int64_t offset,
int coroutine_fn blk_co_preadv_part(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
size_t qiov_offset, BdrvRequestFlags flags);
int generated_co_wrapper blk_preadv(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
int generated_co_wrapper 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,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset, int64_t bytes,
const void *buf, BdrvRequestFlags flags);
int generated_co_wrapper blk_pwritev(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int generated_co_wrapper blk_pwritev_part(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
size_t qiov_offset,
@ -128,36 +143,18 @@ int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
int64_t bytes,
QEMUIOVector *qiov, size_t qiov_offset,
BdrvRequestFlags flags);
int generated_co_wrapper blk_pwritev(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset,
int64_t bytes, void *buf,
BdrvRequestFlags flags)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
IO_OR_GS_CODE();
int generated_co_wrapper blk_pwrite_compressed(BlockBackend *blk,
int64_t offset, int64_t bytes,
const void *buf);
int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset,
int64_t bytes, const void *buf);
assert(bytes <= SIZE_MAX);
return blk_co_preadv(blk, offset, bytes, &qiov, flags);
}
static inline int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset,
int64_t bytes, const void *buf,
BdrvRequestFlags flags)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
IO_OR_GS_CODE();
assert(bytes <= SIZE_MAX);
return blk_co_pwritev(blk, offset, bytes, &qiov, flags);
}
int generated_co_wrapper blk_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int64_t bytes,
BdrvRequestFlags flags);
int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int64_t bytes, BdrvRequestFlags flags);
int generated_co_wrapper blk_pdiscard(BlockBackend *blk, int64_t offset,
int64_t bytes);
@ -172,16 +169,6 @@ int generated_co_wrapper blk_ioctl(BlockBackend *blk, unsigned long int req,
int coroutine_fn blk_co_ioctl(BlockBackend *blk, unsigned long int req,
void *buf);
int generated_co_wrapper blk_pwrite_compressed(BlockBackend *blk,
int64_t offset, int64_t bytes,
const void *buf);
int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset,
int64_t bytes, const void *buf);
int generated_co_wrapper blk_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int64_t bytes,
BdrvRequestFlags flags);
int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int64_t bytes, BdrvRequestFlags flags);
int generated_co_wrapper blk_truncate(BlockBackend *blk, int64_t offset,
bool exact, PreallocMode prealloc,
BdrvRequestFlags flags, Error **errp);