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authorAl Viro <viro@zeniv.linux.org.uk>2020-01-12 04:52:26 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2020-03-14 02:08:17 +0100
commit161aff1d93abf0e5b5e9dbca88928998c155f677 (patch)
tree89d39d7e332ca69cd7b88026a406009fe0b210b9 /include
parentfold handle_mounts() into step_into() (diff)
downloadlinux-161aff1d93abf0e5b5e9dbca88928998c155f677.tar.xz
linux-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')
-rw-r--r--include/linux/namei.h2
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);