switch dentry_open() to struct path, make it grab references itself
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/open.c b/fs/open.c
index 75bea86..1e914b3 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -766,11 +766,7 @@
}
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 @@
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);
