From mboxrd@z Thu Jan 1 00:00:00 1970 From: Al Viro 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> References: <20150420181222.GK889@ZenIV.linux.org.uk> Cc: Neil Brown , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org To: Linus Torvalds Return-path: In-Reply-To: <20150420181222.GK889@ZenIV.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.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