From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivek Goyal Subject: [PATCH 6/9] ovl: Fix ovl_getattr() to get number of blocks from lower Date: Tue, 10 Oct 2017 11:32:21 -0400 Message-ID: <1507649544-4539-7-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]:54522 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932262AbdJJPcj (ORCPT ); Tue, 10 Oct 2017 11:32:39 -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 If an inode has been copied up metadata only, then we need to query the number of blocks from lower and fill up the stat->st_blocks. Signed-off-by: Vivek Goyal --- fs/overlayfs/inode.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index e5825b8948e0..d333fd48659f 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -140,6 +140,15 @@ int ovl_getattr(const struct path *path, struct kstat *stat, if (!is_dir && ovl_test_flag(OVL_INDEX, d_inode(dentry))) stat->nlink = dentry->d_inode->i_nlink; + if (ovl_test_flag(OVL_METACOPY, d_inode(dentry))) { + struct kstat lowerstat; + + ovl_path_lower(dentry, &realpath); + err = vfs_getattr(&realpath, &lowerstat, STATX_BLOCKS, flags); + if (err) + goto out; + stat->blocks = lowerstat.blocks; + } out: revert_creds(old_cred); -- 2.13.5