linux/fs/quota/quota_v1.c

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/quota.h>
#include <linux/quotaops.h>
#include <linux/dqblk_v1.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>

#include <asm/byteorder.h>

#include "quotaio_v1.h"

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;

#define QUOTABLOCK_BITS …
#define QUOTABLOCK_SIZE …

static inline qsize_t v1_stoqb(qsize_t space)
{ … }

static inline qsize_t v1_qbtos(qsize_t blocks)
{ … }

static void v1_disk2mem_dqblk(struct mem_dqblk *m, struct v1_disk_dqblk *d)
{ … }

static void v1_mem2disk_dqblk(struct v1_disk_dqblk *d, struct mem_dqblk *m)
{ … }

static int v1_read_dqblk(struct dquot *dquot)
{ … }

static int v1_commit_dqblk(struct dquot *dquot)
{ … }

/* Magics of new quota format */
#define V2_INITQMAGICS …

/* Header of new quota format */
struct v2_disk_dqheader { … };

static int v1_check_quota_file(struct super_block *sb, int type)
{ … }

static int v1_read_file_info(struct super_block *sb, int type)
{ … }

static int v1_write_file_info(struct super_block *sb, int type)
{ … }

static const struct quota_format_ops v1_format_ops = …;

static struct quota_format_type v1_quota_format = …;

static int __init init_v1_quota_format(void)
{ … }

static void __exit exit_v1_quota_format(void)
{ … }

module_init(…) …;
module_exit(exit_v1_quota_format);