rename user_path_umountat() to user_path_mountpoint_at()
... and move the extern from linux/namei.h to fs/internal.h,
along with that of vfs_path_lookup().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/internal.h b/fs/internal.h
index d208937..2be46ea 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -45,6 +45,9 @@
* namei.c
*/
extern int __inode_permission(struct inode *, int);
+extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *);
+extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
+ const char *, unsigned int, struct path *);
/*
* namespace.c
diff --git a/fs/namei.c b/fs/namei.c
index 0ab9e67..11184df 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2223,7 +2223,7 @@
}
/**
- * umount_lookup_last - look up last component for umount
+ * mountpoint_last - look up last component for umount
* @nd: pathwalk nameidata - currently pointing at parent directory of "last"
* @path: pointer to container for result
*
@@ -2250,7 +2250,7 @@
* to the link, and nd->path will *not* be put.
*/
static int
-umount_lookup_last(struct nameidata *nd, struct path *path)
+mountpoint_last(struct nameidata *nd, struct path *path)
{
int error = 0;
struct dentry *dentry;
@@ -2312,17 +2312,16 @@
}
/**
- * path_umountat - look up a path to be umounted
+ * path_mountpoint - look up a path to be umounted
* @dfd: directory file descriptor to start walk from
* @name: full pathname to walk
* @flags: lookup flags
- * @nd: pathwalk nameidata
*
* Look up the given name, but don't attempt to revalidate the last component.
* Returns 0 and "path" will be valid on success; Retuns error otherwise.
*/
static int
-path_umountat(int dfd, const char *name, struct path *path, unsigned int flags)
+path_mountpoint(int dfd, const char *name, struct path *path, unsigned int flags)
{
struct file *base = NULL;
struct nameidata nd;
@@ -2337,7 +2336,7 @@
if (err)
goto out;
- err = umount_lookup_last(&nd, path);
+ err = mountpoint_last(&nd, path);
while (err > 0) {
void *cookie;
struct path link = *path;
@@ -2348,7 +2347,7 @@
err = follow_link(&link, &nd, &cookie);
if (err)
break;
- err = umount_lookup_last(&nd, path);
+ err = mountpoint_last(&nd, path);
put_link(&nd, &link, cookie);
}
out:
@@ -2362,7 +2361,7 @@
}
/**
- * user_path_umountat - lookup a path from userland in order to umount it
+ * user_path_mountpoint_at - lookup a path from userland in order to umount it
* @dfd: directory file descriptor
* @name: pathname from userland
* @flags: lookup flags
@@ -2376,7 +2375,7 @@
* Returns 0 and populates "path" on success.
*/
int
-user_path_umountat(int dfd, const char __user *name, unsigned int flags,
+user_path_mountpoint_at(int dfd, const char __user *name, unsigned int flags,
struct path *path)
{
struct filename *s = getname(name);
@@ -2385,11 +2384,11 @@
if (IS_ERR(s))
return PTR_ERR(s);
- error = path_umountat(dfd, s->name, path, flags | LOOKUP_RCU);
+ error = path_mountpoint(dfd, s->name, path, flags | LOOKUP_RCU);
if (unlikely(error == -ECHILD))
- error = path_umountat(dfd, s->name, path, flags);
+ error = path_mountpoint(dfd, s->name, path, flags);
if (unlikely(error == -ESTALE))
- error = path_umountat(dfd, s->name, path, flags | LOOKUP_REVAL);
+ error = path_mountpoint(dfd, s->name, path, flags | LOOKUP_REVAL);
if (likely(!error))
audit_inode(s, path->dentry, 0);
diff --git a/fs/namespace.c b/fs/namespace.c
index fc2b522..25845d1 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1321,7 +1321,7 @@
if (!(flags & UMOUNT_NOFOLLOW))
lookup_flags |= LOOKUP_FOLLOW;
- retval = user_path_umountat(AT_FDCWD, name, lookup_flags, &path);
+ retval = user_path_mountpoint_at(AT_FDCWD, name, lookup_flags, &path);
if (retval)
goto out;
mnt = real_mount(path.mnt);