Commit 44163f30 authored by Al Viro's avatar Al Viro
Browse files

lustre: rip the private symlink nesting limit out 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 626de996

drivers/staging/lustre/lustre/llite/symlink.c

+3 −12
Original line number Diff line number Diff line
@@ -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);

	}

	if (rc) {

		ptlrpc_req_finished(request);

		return ERR_PTR(rc);