> On Jan 24, 2023, at 11:45 AM, Jeff Layton <jlayton@xxxxxxxxxx> wrote:
>
> This file is no longer built at all.
>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Applied to nfsd-next, thanks!
> ---
> 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
>
--
Chuck Lever
