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block: Add blk_{preadv,pwritev}()

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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: <20220705161527.1054072-8-afaria@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-07-05 17:15:15 +01:00 • committed by Hanna Reitz
parent facbaad946
commit 7c8cd723c7
2 changed files with 47 additions and 1 deletions
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6
include/sysemu/block-backend-io.h
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@ -107,6 +107,9 @@ int generated_co_wrapper blk_pread(BlockBackend *blk, int64_t offset,
int generated_co_wrapper blk_pwrite(BlockBackend *blk, int64_t offset,
int64_t bytes, const 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);
@ -114,6 +117,9 @@ 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);