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A Python interface to read/write on a direct I/O context.

Project Description

This is an interface to read() and write() on a direct I/O context (O_DIRECT flag) from the Python programming language.

These system calls are Linux system calls to * open a file with the O_DIRECT flag, and close it. * read or write from the file ignores the buffer cache.

The O_DIRECT flag introduced in SGI IRIX, where it has alignment restrictions similar to those of Linux 2.4. FreeBSD 4.x introduced a flag of the same name, but without alignment restrictions. Support was added under Linux in kernel version 2.4.10. Older Linux kernels simply ignore this flag.

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Source None May 17, 2015

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