linux/drivers/md/bcache/debug.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Assorted bcache debug code
 *
 * Copyright 2010, 2011 Kent Overstreet <[email protected]>
 * Copyright 2012 Google, Inc.
 */

#include "bcache.h"
#include "btree.h"
#include "debug.h"
#include "extents.h"

#include <linux/console.h>
#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/random.h>
#include <linux/seq_file.h>

struct dentry *bcache_debug;

#ifdef CONFIG_BCACHE_DEBUG

#define for_each_written_bset(b, start, i) …

void bch_btree_verify(struct btree *b)
{ … }

void bch_data_verify(struct cached_dev *dc, struct bio *bio)
{ … }

#endif

#ifdef CONFIG_DEBUG_FS

/* XXX: cache set refcounting */

struct dump_iterator { … };

static bool dump_pred(struct keybuf *buf, struct bkey *k)
{ … }

static ssize_t bch_dump_read(struct file *file, char __user *buf,
			     size_t size, loff_t *ppos)
{ … }

static int bch_dump_open(struct inode *inode, struct file *file)
{ … }

static int bch_dump_release(struct inode *inode, struct file *file)
{ … }

static const struct file_operations cache_set_debug_ops = …;

void bch_debug_init_cache_set(struct cache_set *c)
{ … }

#endif

void bch_debug_exit(void)
{ … }

void __init bch_debug_init(void)
{ … }