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76b7e0058d
Proper Posix O_SYNC handling only made it into 2.6.33, not 2.6.32. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1995, 96, 97, 98, 99, 2003, 05 Ralf Baechle
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*/
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#ifndef _ASM_FCNTL_H
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#define _ASM_FCNTL_H
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#define O_APPEND 0x0008
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#define O_DSYNC 0x0010 /* used to be O_SYNC, see below */
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#define O_NONBLOCK 0x0080
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#define O_CREAT 0x0100 /* not fcntl */
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#define O_TRUNC 0x0200 /* not fcntl */
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#define O_EXCL 0x0400 /* not fcntl */
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#define O_NOCTTY 0x0800 /* not fcntl */
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#define FASYNC 0x1000 /* fcntl, for BSD compatibility */
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#define O_LARGEFILE 0x2000 /* allow large file opens */
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/*
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* Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using
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* the O_SYNC flag. We continue to use the existing numerical value
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* for O_DSYNC semantics now, but using the correct symbolic name for it.
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* This new value is used to request true Posix O_SYNC semantics. It is
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* defined in this strange way to make sure applications compiled against
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* new headers get at least O_DSYNC semantics on older kernels.
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*
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* This has the nice side-effect that we can simply test for O_DSYNC
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* wherever we do not care if O_DSYNC or O_SYNC is used.
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*
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* Note: __O_SYNC must never be used directly.
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*/
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#define __O_SYNC 0x4000
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#define O_SYNC (__O_SYNC|O_DSYNC)
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#define O_DIRECT 0x8000 /* direct disk access hint */
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#define F_GETLK 14
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#define F_SETLK 6
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#define F_SETLKW 7
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#define F_SETOWN 24 /* for sockets. */
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#define F_GETOWN 23 /* for sockets. */
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#ifndef __mips64
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#define F_GETLK64 33 /* using 'struct flock64' */
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#define F_SETLK64 34
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#define F_SETLKW64 35
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#endif
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/*
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* The flavours of struct flock. "struct flock" is the ABI compliant
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* variant. Finally struct flock64 is the LFS variant of struct flock. As
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* a historic accident and inconsistence with the ABI definition it doesn't
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* contain all the same fields as struct flock.
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*/
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#ifdef CONFIG_32BIT
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struct flock {
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short l_type;
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short l_whence;
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off_t l_start;
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off_t l_len;
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long l_sysid;
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__kernel_pid_t l_pid;
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long pad[4];
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};
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#define HAVE_ARCH_STRUCT_FLOCK
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#endif /* CONFIG_32BIT */
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#include <asm-generic/fcntl.h>
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#endif /* _ASM_FCNTL_H */
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