switch dentry_open() to struct path, make it grab references itself

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 5 insertions, 12 deletions

diff --git a/fs/open.c b/fs/open.c
index 75bea868ef8a..1e914b397e12 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -766,11 +766,7 @@ int finish_no_open(struct file *file, struct dentry *dentry)
 }
 EXPORT_SYMBOL(finish_no_open);
 
-/*
- * dentry_open() will have done dput(dentry) and mntput(mnt) if it returns an
- * error.
- */
-struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags,
+struct file *dentry_open(const struct path *path, int flags,
                          const struct cred *cred)
 {
         int error;
@@ -779,19 +775,16 @@ struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags,
         validate_creds(cred);
 
         /* We must always pass in a valid mount pointer. */
-        BUG_ON(!mnt);
+        BUG_ON(!path->mnt);
 
         error = -ENFILE;
         f = get_empty_filp();
-        if (f == NULL) {
-                dput(dentry);
-                mntput(mnt);
+        if (f == NULL)
                 return ERR_PTR(error);
-        }
 
         f->f_flags = flags;
-        f->f_path.mnt = mnt;
-        f->f_path.dentry = dentry;
+        f->f_path = *path;
+        path_get(&f->f_path);
         error = do_dentry_open(f, NULL, cred);
         if (!error) {
                 error = open_check_o_direct(f);