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namei.h: get the comments on LOOKUP_... in sync with reality 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
alistair/sunxi64-5.4-dsi
Al Viro 2019-07-14 14:00:23 -04:00
parent fbb7d9d56d
commit 6b61aed06a
1 changed files with 16 additions and 26 deletions
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42
include/linux/namei.h
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@ -16,37 +16,27 @@ enum { MAX_NESTED_LINKS = 8 };
*/
enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
/*
* The bitmask for a lookup event:
* - follow links at the end
* - require a directory
* - ending slashes ok even for nonexistent files
* - internal "there are more path components" flag
* - dentry cache is untrusted; force a real lookup
* - suppress terminal automount
* - skip revalidation
*/
#define LOOKUP_FOLLOW 0x0001
#define LOOKUP_DIRECTORY 0x0002
#define LOOKUP_AUTOMOUNT 0x0004
/* pathwalk mode */
#define LOOKUP_FOLLOW 0x0001 /* follow links at the end */
#define LOOKUP_DIRECTORY 0x0002 /* require a directory */
#define LOOKUP_AUTOMOUNT 0x0004 /* force terminal automount */
#define LOOKUP_EMPTY 0x4000 /* accept empty path [user_... only] */
#define LOOKUP_DOWN 0x8000 /* follow mounts in the starting point */
#define LOOKUP_REVAL 0x0020 /* tell ->d_revalidate() to trust no cache */
#define LOOKUP_RCU 0x0040 /* RCU pathwalk mode; semi-internal */
/* These tell filesystem methods that we are dealing with the final component... */
#define LOOKUP_OPEN 0x0100 /* ... in open */
#define LOOKUP_CREATE 0x0200 /* ... in object creation */
#define LOOKUP_EXCL 0x0400 /* ... in exclusive creation */
#define LOOKUP_RENAME_TARGET 0x0800 /* ... in destination of rename() */
/* internal use only */
#define LOOKUP_PARENT 0x0010
#define LOOKUP_REVAL 0x0020
#define LOOKUP_RCU 0x0040
#define LOOKUP_NO_REVAL 0x0080
/*
* Intent data
*/
#define LOOKUP_OPEN 0x0100
#define LOOKUP_CREATE 0x0200
#define LOOKUP_EXCL 0x0400
#define LOOKUP_RENAME_TARGET 0x0800
#define LOOKUP_JUMPED 0x1000
#define LOOKUP_ROOT 0x2000
#define LOOKUP_EMPTY 0x4000
#define LOOKUP_DOWN 0x8000
extern int path_pts(struct path *path);