[PATCH 01/24] lustre: rip the private symlink nesting limit out

Al Viro
2015-04-20T18:20:03Z

From: Al Viro <viro@zeniv.linux.org.uk>

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