Commit 367d002d authored by Amir Goldstein's avatar Amir Goldstein
Browse files

ovl: clarify ovl_get_root() semantics 



Change the semantics to take a reference on upperdentry instead
of transferrig the reference.

This is needed for upcoming port to new mount api.

Signed-off-by: default avatarAmir Goldstein <amir73il@gmail.com>
parent e4599d4b

fs/overlayfs/super.c

+3 −1
Original line number Diff line number Diff line
@@ -1922,6 +1922,8 @@ static struct dentry *ovl_get_root(struct super_block *sb, 
	ovl_set_upperdata(d_inode(root));

	ovl_inode_init(d_inode(root), &oip, ino, fsid);

	ovl_dentry_init_flags(root, upperdentry, oe, DCACHE_OP_WEAK_REVALIDATE);

	/* root keeps a reference of upperdentry */

	dget(upperdentry);



	return root;

}
@@ -2100,7 +2102,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) 
	if (!root_dentry)

		goto out_free_oe;



	mntput(upperpath.mnt);

	path_put(&upperpath);

	kfree(splitlower);



	sb->s_root = root_dentry;