switch vfs_path_lookup() to struct path
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namei.c b/fs/namei.c
index b45a039..7e6ba8c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1575,16 +1575,22 @@
* @mnt: pointer to vfs mount of the base directory
* @name: pointer to file name
* @flags: lookup flags
- * @nd: pointer to nameidata
+ * @path: pointer to struct path to fill
*/
int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,
const char *name, unsigned int flags,
- struct nameidata *nd)
+ struct path *path)
{
- nd->root.dentry = dentry;
- nd->root.mnt = mnt;
+ struct nameidata nd;
+ int err;
+ nd.root.dentry = dentry;
+ nd.root.mnt = mnt;
+ BUG_ON(flags & LOOKUP_PARENT);
/* the first argument of do_path_lookup() is ignored with LOOKUP_ROOT */
- return do_path_lookup(AT_FDCWD, name, flags | LOOKUP_ROOT, nd);
+ err = do_path_lookup(AT_FDCWD, name, flags | LOOKUP_ROOT, &nd);
+ if (!err)
+ *path = nd.path;
+ return err;
}
static struct dentry *__lookup_hash(struct qstr *name,
diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c
index 8469031..c98b439 100644
--- a/fs/nfs/cache_lib.c
+++ b/fs/nfs/cache_lib.c
@@ -113,19 +113,18 @@
int nfs_cache_register(struct cache_detail *cd)
{
- struct nameidata nd;
struct vfsmount *mnt;
+ struct path path;
int ret;
mnt = rpc_get_mount();
if (IS_ERR(mnt))
return PTR_ERR(mnt);
- ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &nd);
+ ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &path);
if (ret)
goto err;
- ret = sunrpc_cache_register_pipefs(nd.path.dentry,
- cd->name, 0600, cd);
- path_put(&nd.path);
+ ret = sunrpc_cache_register_pipefs(path.dentry, cd->name, 0600, cd);
+ path_put(&path);
if (!ret)
return ret;
err:
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ce40e5c..b961cea 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2773,16 +2773,12 @@
static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
const char *export_path)
{
- struct nameidata *nd = NULL;
struct mnt_namespace *ns_private;
struct super_block *s;
struct dentry *dentry;
+ struct path path;
int ret;
- nd = kmalloc(sizeof(*nd), GFP_KERNEL);
- if (nd == NULL)
- return ERR_PTR(-ENOMEM);
-
ns_private = create_mnt_ns(root_mnt);
ret = PTR_ERR(ns_private);
if (IS_ERR(ns_private))
@@ -2793,7 +2789,7 @@
goto out_put_mnt_ns;
ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
- export_path, LOOKUP_FOLLOW, nd);
+ export_path, LOOKUP_FOLLOW, &path);
nfs_referral_loop_unprotect();
put_mnt_ns(ns_private);
@@ -2801,12 +2797,11 @@
if (ret != 0)
goto out_err;
- s = nd->path.mnt->mnt_sb;
+ s = path.mnt->mnt_sb;
atomic_inc(&s->s_active);
- dentry = dget(nd->path.dentry);
+ dentry = dget(path.dentry);
- path_put(&nd->path);
- kfree(nd);
+ path_put(&path);
down_write(&s->s_umount);
return dentry;
out_put_mnt_ns:
@@ -2814,7 +2809,6 @@
out_mntput:
mntput(root_mnt);
out_err:
- kfree(nd);
return ERR_PTR(ret);
}