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block: Make blk_co_pwrite() take a const buffer
It does not mutate the buffer. Signed-off-by: Alberto Faria <afaria@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Hanna Reitz <hreitz@redhat.com> Message-Id: <20220705161527.1054072-6-afaria@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
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@ -129,7 +129,7 @@ static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset,
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}
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static inline int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset,
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int64_t bytes, void *buf,
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int64_t bytes, const void *buf,
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BdrvRequestFlags flags)
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{
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QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
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