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Remove LINUX_FADV_ASYNC_WRITE and LINUX_FADV_WRITE_WAIT.
Declare sync_file_range and splice.
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711daa3092
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@ -173,16 +173,37 @@ struct flock64
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# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
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#endif
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/* Linux-specific operations for posix_fadvise. */
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#ifdef __USE_GNU
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# define LINUX_FADV_ASYNC_WRITE 32 /* Start writeout on range. */
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# define LINUX_FADV_WRITE_WAIT 33 /* Wait upon writeout to range. */
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# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
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in the range before performing the
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write. */
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# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
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dirty pages in the range which are
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not presently under writeback. */
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# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
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the range after performing the
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write. */
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#endif
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__BEGIN_DECLS
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#ifdef __USE_GNU
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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)
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__THROW;
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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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/* Splice two files together. */
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extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
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__THROW;
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#endif
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__END_DECLS
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