From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivek Goyal Subject: [PATCH 1/9] ovl: ovl_check_setxattr() get rid of redundant -EOPNOTSUPP check Date: Tue, 10 Oct 2017 11:32:16 -0400 Message-ID: <1507649544-4539-2-git-send-email-vgoyal@redhat.com> References: <1507649544-4539-1-git-send-email-vgoyal@redhat.com> Return-path: Received: from mx1.redhat.com ([209.132.183.28]:37706 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932237AbdJJPci (ORCPT ); Tue, 10 Oct 2017 11:32:38 -0400 In-Reply-To: <1507649544-4539-1-git-send-email-vgoyal@redhat.com> Sender: linux-unionfs-owner@vger.kernel.org List-Id: linux-unionfs@vger.kernel.org To: linux-unionfs@vger.kernel.org Cc: amir73il@gmail.com, miklos@szeredi.hu, vgoyal@redhat.com, ebiederm@xmission.com At mount time we check if upper supports xattr or not and set ofs->noxattr field accordingly. But in ovl_check_setxattr() still seems to have logic which expects that ovl_do_setxattr() can return -EOPNOTSUPP. Not sure when and how can we hit this code. Feels redundant to me. So I am removing this code. Signed-off-by: Vivek Goyal --- fs/overlayfs/util.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index b9b239fa5cfd..a4ce1c9944f0 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -348,21 +348,12 @@ int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, const char *name, const void *value, size_t size, int xerr) { - int err; struct ovl_fs *ofs = dentry->d_sb->s_fs_info; if (ofs->noxattr) return xerr; - err = ovl_do_setxattr(upperdentry, name, value, size, 0); - - if (err == -EOPNOTSUPP) { - pr_warn("overlayfs: cannot set %s xattr on upper\n", name); - ofs->noxattr = true; - return xerr; - } - - return err; + return ovl_do_setxattr(upperdentry, name, value, size, 0); } int ovl_set_impure(struct dentry *dentry, struct dentry *upperdentry) -- 2.13.5