From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755744AbbDTSUD (ORCPT ); Mon, 20 Apr 2015 14:20:03 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:34732 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753965AbbDTSNK (ORCPT ); Mon, 20 Apr 2015 14:13:10 -0400 From: Al Viro To: Linus Torvalds Cc: Neil Brown , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 01/24] lustre: rip the private symlink nesting limit out Date: Mon, 20 Apr 2015 19:12:45 +0100 Message-Id: <1429553588-24764-1-git-send-email-viro@ZenIV.linux.org.uk> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <20150420181222.GK889@ZenIV.linux.org.uk> References: <20150420181222.GK889@ZenIV.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Al Viro Signed-off-by: Al Viro --- drivers/staging/lustre/lustre/llite/symlink.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/symlink.c b/drivers/staging/lustre/lustre/llite/symlink.c index 3711e67..0615f86 100644 --- a/drivers/staging/lustre/lustre/llite/symlink.c +++ b/drivers/staging/lustre/lustre/llite/symlink.c @@ -126,18 +126,9 @@ static void *ll_follow_link(struct dentry *dentry, struct nameidata *nd) char *symname = NULL; CDEBUG(D_VFSTRACE, "VFS Op\n"); - /* Limit the recursive symlink depth to 5 instead of default - * 8 links when kernel has 4k stack to prevent stack overflow. - * For 8k stacks we need to limit it to 7 for local servers. */ - if (THREAD_SIZE < 8192 && current->link_count >= 6) { - rc = -ELOOP; - } else if (THREAD_SIZE == 8192 && current->link_count >= 8) { - rc = -ELOOP; - } else { - ll_inode_size_lock(inode); - rc = ll_readlink_internal(inode, &request, &symname); - ll_inode_size_unlock(inode); - } + ll_inode_size_lock(inode); + rc = ll_readlink_internal(inode, &request, &symname); + ll_inode_size_unlock(inode); if (rc) { ptlrpc_req_finished(request); request = NULL; -- 2.1.4