From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 18 Apr 2015 03:02:40 +0000 (-0400)
Subject: lustre: rip the private symlink nesting limit out
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=44163f30059e9869451999e77109a37abba8c968;p=openwrt%2Fstaging%2Fblogic.git

lustre: rip the private symlink nesting limit out

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/staging/lustre/lustre/llite/symlink.c b/drivers/staging/lustre/lustre/llite/symlink.c
index e488cb3bb25d..da6d9d17c50d 100644
--- a/drivers/staging/lustre/lustre/llite/symlink.c
+++ b/drivers/staging/lustre/lustre/llite/symlink.c
@@ -126,18 +126,9 @@ static const char *ll_follow_link(struct dentry *dentry, void **cookie, struct n
 	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);
 		return ERR_PTR(rc);