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| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-01-11 22:52:26 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-03-13 21:08:17 -0400 |
| commit | 161aff1d93abf0e5b5e9dbca88928998c155f677 (patch) | |
| tree | 89d39d7e332ca69cd7b88026a406009fe0b210b9 /include/linux/namei.h | |
| parent | cbae4d12eeee6b002a1252c4c45213651e8f4b55 (diff) | |
| download | lwn-161aff1d93abf0e5b5e9dbca88928998c155f677.tar.gz lwn-161aff1d93abf0e5b5e9dbca88928998c155f677.zip | |
LOOKUP_MOUNTPOINT: fold path_mountpointat() into path_lookupat()
New LOOKUP flag, telling path_lookupat() to act as path_mountpointat().
IOW, traverse mounts at the final point and skip revalidation of the
location where it ends up.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/namei.h')
| -rw-r--r-- | include/linux/namei.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/namei.h b/include/linux/namei.h index 0dd980d7318f..d9576a051808 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -23,6 +23,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; #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_MOUNTPOINT 0x0080 /* follow mounts in the end */ #define LOOKUP_REVAL 0x0020 /* tell ->d_revalidate() to trust no cache */ #define LOOKUP_RCU 0x0040 /* RCU pathwalk mode; semi-internal */ @@ -64,7 +65,6 @@ extern struct dentry *kern_path_create(int, const char *, struct path *, unsigne extern struct dentry *user_path_create(int, const char __user *, struct path *, unsigned int); extern void done_path_create(struct path *, struct dentry *); extern struct dentry *kern_path_locked(const char *, struct path *); -extern int kern_path_mountpoint(int, const char *, struct path *, unsigned int); extern struct dentry *try_lookup_one_len(const char *, struct dentry *, int); extern struct dentry *lookup_one_len(const char *, struct dentry *, int); |