linux/fs/afs/rotate.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* Handle fileserver selection and rotation.
 *
 * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 */

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/sched/signal.h>
#include "internal.h"
#include "afs_fs.h"
#include "protocol_uae.h"

void afs_clear_server_states(struct afs_operation *op)
{ … }

/*
 * Begin iteration through a server list, starting with the vnode's last used
 * server if possible, or the last recorded good server if not.
 */
static bool afs_start_fs_iteration(struct afs_operation *op,
				   struct afs_vnode *vnode)
{ … }

/*
 * Post volume busy note.
 */
static void afs_busy(struct afs_operation *op, u32 abort_code)
{ … }

/*
 * Sleep and retry the operation to the same fileserver.
 */
static bool afs_sleep_and_retry(struct afs_operation *op)
{ … }

/*
 * Select the fileserver to use.  May be called multiple times to rotate
 * through the fileservers.
 */
bool afs_select_fileserver(struct afs_operation *op)
{ … }

/*
 * Dump cursor state in the case of the error being EDESTADDRREQ.
 */
void afs_dump_edestaddrreq(const struct afs_operation *op)
{ … }