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@@ -190,6 +190,9 @@ struct flock64 {
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__BEGIN_DECLS
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+/* Provide kernel hint to read ahead. */
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+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) __THROW;
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+
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/* Selective file content synch'ing */
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extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
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unsigned int __flags);
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