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authorAl Viro <viro@zeniv.linux.org.uk>2009-12-19 10:15:07 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2009-12-22 12:27:34 -0500
commit5300990c0370e804e49d9a59d928c5d53fb73487 (patch)
tree08ed922afd172662039c082ec9e9410070f4afe8 /include
parent482928d59db668b8d82a48717f78986d8cea72e9 (diff)
Sanitize f_flags helpers
* pull ACC_MODE to fs.h; we have several copies all over the place * nightmarish expression calculating f_mode by f_flags deserves a helper too (OPEN_FMODE(flags)) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/fs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cca191933ff..9e13b533aae 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2464,5 +2464,8 @@ int proc_nr_files(struct ctl_table *table, int write,
int __init get_filesystem_list(char *buf);
+#define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
+#define OPEN_FMODE(flag) ((__force fmode_t)((flag + 1) & O_ACCMODE))
+
#endif /* __KERNEL__ */
#endif /* _LINUX_FS_H */