Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932286AbZLFH7j (ORCPT ); Sun, 6 Dec 2009 02:59:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754428AbZLFH7h (ORCPT ); Sun, 6 Dec 2009 02:59:37 -0500 Received: from mtoichi14.ns.itscom.net ([219.110.2.184]:47862 "EHLO mtoichi14.ns.itscom.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754378AbZLFH7g (ORCPT ); Sun, 6 Dec 2009 02:59:36 -0500 From: "J. R. Okajima" To: linux-kernel@vger.kernel.org Cc: stewb@linux-foundation.org, "J. R. Okajima" Subject: [RFC 5/5] tmpfs, support pathconf(3) with _PC_LINK_MAX Date: Sun, 6 Dec 2009 16:59:03 +0900 Message-Id: <1260086343-8406-6-git-send-email-hooanon05@yahoo.co.jp> X-Mailer: git-send-email 1.6.1.284.g5dc13 In-Reply-To: <1260086343-8406-1-git-send-email-hooanon05@yahoo.co.jp> References: <1260086343-8406-1-git-send-email-hooanon05@yahoo.co.jp> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 972 Lines: 29 Return the value via struct statfs.f_spare[0]. Actually tmpfs doesn't check the link count in link(2) and it can be wrap around. Set LINK_MAX_UNLIMITED. Signed-off-by: J. R. Okajima --- mm/shmem.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/mm/shmem.c b/mm/shmem.c index 356dd99..78f7e21 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1784,6 +1784,7 @@ static int shmem_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_type = TMPFS_MAGIC; buf->f_bsize = PAGE_CACHE_SIZE; buf->f_namelen = NAME_MAX; + buf->f_linkmax = LINK_MAX_UNLIMITED; spin_lock(&sbinfo->stat_lock); if (sbinfo->max_blocks) { buf->f_blocks = sbinfo->max_blocks; -- 1.6.1.284.g5dc13 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/