This file is no longer built at all.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/nfsd/fault_inject.c | 142 -----------------------------------------
1 file changed, 142 deletions(-)
delete mode 100644 fs/nfsd/fault_inject.c
diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
deleted file mode 100644
index 76bee0a0d308..000000000000
--- a/fs/nfsd/fault_inject.c
+++ /dev/null
@@ -1,142 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2011 Bryan Schumaker <bjschuma@xxxxxxxxxx>
- *
- * Uses debugfs to create fault injection points for client testing
- */
-
-#include <linux/types.h>
-#include <linux/fs.h>
-#include <linux/debugfs.h>
-#include <linux/module.h>
-#include <linux/nsproxy.h>
-#include <linux/sunrpc/addr.h>
-#include <linux/uaccess.h>
-#include <linux/kernel.h>
-
-#include "state.h"
-#include "netns.h"
-
-struct nfsd_fault_inject_op {
- char *file;
- u64 (*get)(void);
- u64 (*set_val)(u64);
- u64 (*set_clnt)(struct sockaddr_storage *, size_t);
-};
-
-static struct dentry *debug_dir;
-
-static ssize_t fault_inject_read(struct file *file, char __user *buf,
- size_t len, loff_t *ppos)
-{
- static u64 val;
- char read_buf[25];
- size_t size;
- loff_t pos = *ppos;
- struct nfsd_fault_inject_op *op = file_inode(file)->i_private;
-
- if (!pos)
- val = op->get();
- size = scnprintf(read_buf, sizeof(read_buf), "%llu\n", val);
-
- return simple_read_from_buffer(buf, len, ppos, read_buf, size);
-}
-
-static ssize_t fault_inject_write(struct file *file, const char __user *buf,
- size_t len, loff_t *ppos)
-{
- char write_buf[INET6_ADDRSTRLEN];
- size_t size = min(sizeof(write_buf) - 1, len);
- struct net *net = current->nsproxy->net_ns;
- struct sockaddr_storage sa;
- struct nfsd_fault_inject_op *op = file_inode(file)->i_private;
- u64 val;
- char *nl;
-
- if (copy_from_user(write_buf, buf, size))
- return -EFAULT;
- write_buf[size] = '\0';
-
- /* Deal with any embedded newlines in the string */
- nl = strchr(write_buf, '\n');
- if (nl) {
- size = nl - write_buf;
- *nl = '\0';
- }
-
- size = rpc_pton(net, write_buf, size, (struct sockaddr *)&sa, sizeof(sa));
- if (size > 0) {
- val = op->set_clnt(&sa, size);
- if (val)
- pr_info("NFSD [%s]: Client %s had %llu state object(s)\n",
- op->file, write_buf, val);
- } else {
- val = simple_strtoll(write_buf, NULL, 0);
- if (val == 0)
- pr_info("NFSD Fault Injection: %s (all)", op->file);
- else
- pr_info("NFSD Fault Injection: %s (n = %llu)",
- op->file, val);
- val = op->set_val(val);
- pr_info("NFSD: %s: found %llu", op->file, val);
- }
- return len; /* on success, claim we got the whole input */
-}
-
-static const struct file_operations fops_nfsd = {
- .owner = THIS_MODULE,
- .read = fault_inject_read,
- .write = fault_inject_write,
-};
-
-void nfsd_fault_inject_cleanup(void)
-{
- debugfs_remove_recursive(debug_dir);
-}
-
-static struct nfsd_fault_inject_op inject_ops[] = {
- {
- .file = "forget_clients",
- .get = nfsd_inject_print_clients,
- .set_val = nfsd_inject_forget_clients,
- .set_clnt = nfsd_inject_forget_client,
- },
- {
- .file = "forget_locks",
- .get = nfsd_inject_print_locks,
- .set_val = nfsd_inject_forget_locks,
- .set_clnt = nfsd_inject_forget_client_locks,
- },
- {
- .file = "forget_openowners",
- .get = nfsd_inject_print_openowners,
- .set_val = nfsd_inject_forget_openowners,
- .set_clnt = nfsd_inject_forget_client_openowners,
- },
- {
- .file = "forget_delegations",
- .get = nfsd_inject_print_delegations,
- .set_val = nfsd_inject_forget_delegations,
- .set_clnt = nfsd_inject_forget_client_delegations,
- },
- {
- .file = "recall_delegations",
- .get = nfsd_inject_print_delegations,
- .set_val = nfsd_inject_recall_delegations,
- .set_clnt = nfsd_inject_recall_client_delegations,
- },
-};
-
-void nfsd_fault_inject_init(void)
-{
- unsigned int i;
- struct nfsd_fault_inject_op *op;
- umode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
-
- debug_dir = debugfs_create_dir("nfsd", NULL);
-
- for (i = 0; i < ARRAY_SIZE(inject_ops); i++) {
- op = &inject_ops[i];
- debugfs_create_file(op->file, mode, debug_dir, op, &fops_nfsd);
- }
-}
--
2.39.1
