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lustre: rip the private symlink nesting limit out

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-04-17 23:02:40 -04:00
parent 626de99676
commit 44163f3005
1 changed files with 3 additions and 12 deletions
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15
drivers/staging/lustre/lustre/llite/symlink.c
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@ -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);