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fs: add a VALID_OPEN_FLAGS

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Add a central define for all valid open flags, and use it in the uniqueness
check.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2017-04-27 09:42:24 +02:00
committed by Al Viro
parent 020c2833db
commit 80f18379a7
2 changed files with 10 additions and 10 deletions
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6
include/linux/fcntl.h
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@@ -3,6 +3,12 @@
#include <uapi/linux/fcntl.h>
/* list of all valid flags for the open/openat flags argument: */
#define VALID_OPEN_FLAGS \
(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \
O_APPEND | O_NDELAY | O_NONBLOCK | O_NDELAY | __O_SYNC | O_DSYNC | \
FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)
#ifndef force_o_largefile
#define force_o_largefile() (BITS_PER_LONG != 32)