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authorAl Viro <viro@zeniv.linux.org.uk>2020-02-26 20:09:37 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2020-04-02 01:09:23 -0400
commit19f6028a01469276abe520c46a2c0ed0204e28d7 (patch)
tree8893e4e6e75a18736e80cd0eee5120869c62c6da /fs/namei.c
parent2aa38470853a65dc9b1b4bd0989d34cd3fc57ebd (diff)
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fs/namei.c: kill follow_mount()
The only remaining caller (path_pts()) should be using follow_down() anyway. And clean path_pts() a bit. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c22
1 files changed, 2 insertions, 20 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 669a0dfa3012..1f092f9e321b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1414,22 +1414,6 @@ static inline int handle_mounts(struct nameidata *nd, struct dentry *dentry,
}
/*
- * Skip to top of mountpoint pile in refwalk mode for follow_dotdot()
- */
-static void follow_mount(struct path *path)
-{
- while (d_mountpoint(path->dentry)) {
- struct vfsmount *mounted = lookup_mnt(path);
- if (!mounted)
- break;
- dput(path->dentry);
- mntput(path->mnt);
- path->mnt = mounted;
- path->dentry = dget(mounted->mnt_root);
- }
-}
-
-/*
* This looks up the name in dcache and possibly revalidates the found dentry.
* NULL is returned if the dentry does not exist in the cache.
*/
@@ -2640,7 +2624,7 @@ int path_pts(struct path *path)
*/
struct dentry *parent = dget_parent(path->dentry);
struct dentry *child;
- struct qstr this;
+ struct qstr this = QSTR_INIT("pts", 3);
if (unlikely(!path_connected(path->mnt, parent))) {
dput(parent);
@@ -2648,15 +2632,13 @@ int path_pts(struct path *path)
}
dput(path->dentry);
path->dentry = parent;
- this.name = "pts";
- this.len = 3;
child = d_hash_and_lookup(parent, &this);
if (!child)
return -ENOENT;
path->dentry = child;
dput(parent);
- follow_mount(path);
+ follow_down(path);
return 0;
}
#endif