overlayfs: Fix setting IOP_XATTR flag

[cascardo/linux.git] / fs / overlayfs / super.c

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index e2a94a2..0ffc8da 100644 (file)
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -275,10 +275,10 @@ static bool ovl_is_opaquedir(struct dentry *dentry)
        char val;
        struct inode *inode = dentry->d_inode;
 
-       if (!S_ISDIR(inode->i_mode) || !inode->i_op->getxattr)
+       if (!S_ISDIR(inode->i_mode) || !(inode->i_opflags & IOP_XATTR))
                return false;
 
-       res = inode->i_op->getxattr(dentry, inode, OVL_XATTR_OPAQUE, &val, 1);
+       res = __vfs_getxattr(dentry, inode, OVL_XATTR_OPAQUE, &val, 1);
        if (res == 1 && val == 'y')
                return true;
 
@@ -1292,6 +1292,12 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
        if (!oe)
                goto out_put_cred;
 
+       sb->s_magic = OVERLAYFS_SUPER_MAGIC;
+       sb->s_op = &ovl_super_operations;
+       sb->s_xattr = ovl_xattr_handlers;
+       sb->s_fs_info = ufs;
+       sb->s_flags |= MS_POSIXACL | MS_NOREMOTELOCK;
+
        root_dentry = d_make_root(ovl_new_inode(sb, S_IFDIR));
        if (!root_dentry)
                goto out_free_oe;
@@ -1315,12 +1321,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
        ovl_inode_init(d_inode(root_dentry), realinode, !!upperpath.dentry);
        ovl_copyattr(realinode, d_inode(root_dentry));
 
-       sb->s_magic = OVERLAYFS_SUPER_MAGIC;
-       sb->s_op = &ovl_super_operations;
-       sb->s_xattr = ovl_xattr_handlers;
        sb->s_root = root_dentry;
-       sb->s_fs_info = ufs;
-       sb->s_flags |= MS_POSIXACL;
 
        return 0;