[deliverable/linux.git] / fs / jffs2 / debug.h

/*
 * JFFS2 -- Journalling Flash File System, Version 2.
 *
 * Copyright (C) 2001-2003 Red Hat, Inc.
 *
 * Created by David Woodhouse <dwmw2@infradead.org>
 *
 * For licensing information, see the file 'LICENCE' in this directory.
 *
 * $Id: debug.h,v 1.1 2005/07/17 06:56:20 dedekind Exp $
 *
 */
#ifndef _JFFS2_DEBUG_H_
#define _JFFS2_DEBUG_H_

#include <linux/config.h>

#ifndef CONFIG_JFFS2_FS_DEBUG
#define CONFIG_JFFS2_FS_DEBUG 1
#endif

#if CONFIG_JFFS2_FS_DEBUG > 0
#define JFFS2_DBG_PARANOIA_CHECKS
#define D1(x) x
#else
#define D1(x)
#endif

#if CONFIG_JFFS2_FS_DEBUG > 1
#define D2(x) x
#else
#define D2(x)
#endif

/* Enable JFFS2 sanity checks */
#define JFFS2_DBG_SANITY_CHECKS

#if CONFIG_JFFS2_FS_DEBUG > 0
void
jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);

void
jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);

void
jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);

void
jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs);
#endif

#ifdef JFFS2_DBG_PARANOIA_CHECKS
void
jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);

void
jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
			      struct jffs2_eraseblock *jeb);

void
jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
				  uint32_t ofs, int len);
#else
#define jffs2_dbg_fragtree_paranoia_check(f)
#define jffs2_dbg_acct_paranoia_check(c, jeb)
#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
#endif /* !JFFS2_PARANOIA_CHECKS */

#ifdef JFFS2_DBG_SANITY_CHECKS
/*
 * Check the space accounting of the file system and of
 * the JFFS3 erasable block 'jeb'.
 */
static inline void
jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
			    struct jffs2_eraseblock *jeb)
{
	if (unlikely(jeb && jeb->used_size + jeb->dirty_size +
			jeb->free_size + jeb->wasted_size +
			jeb->unchecked_size != c->sector_size)) {
		printk(KERN_ERR "Eeep. Space accounting for block at 0x%08x is screwed\n", jeb->offset);
		printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + wasted %#08x + unchecked "
				"%#08x != total %#08x\n", jeb->free_size, jeb->dirty_size, jeb->used_size,
				jeb->wasted_size, jeb->unchecked_size, c->sector_size);
		BUG();
	}

	if (unlikely(c->used_size + c->dirty_size + c->free_size + c->erasing_size + c->bad_size
				+ c->wasted_size + c->unchecked_size != c->flash_size)) {
		printk(KERN_ERR "Eeep. Space accounting superblock info is screwed\n");
		printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + erasing %#08x + bad %#08x + "
				"wasted %#08x + unchecked %#08x != total %#08x\n",
				c->free_size, c->dirty_size, c->used_size, c->erasing_size, c->bad_size,
				c->wasted_size, c->unchecked_size, c->flash_size);
		BUG();
	}
}
#else
static inline void
jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
			    struct jffs2_eraseblock *jeb);
#endif /* !JFFS2_DBG_SANITY_CHECKS */

#endif /* _JFFS2_DEBUG_H_ */
Commit	Line	Data
730554d9 AB	1	/*
	2	* JFFS2 -- Journalling Flash File System, Version 2.
	3	*
	4	* Copyright (C) 2001-2003 Red Hat, Inc.
	5	*
	6	* Created by David Woodhouse <dwmw2@infradead.org>
	7	*
	8	* For licensing information, see the file 'LICENCE' in this directory.
	9	*
	10	* $Id: debug.h,v 1.1 2005/07/17 06:56:20 dedekind Exp $
	11	*
	12	*/
	13	#ifndef _JFFS2_DEBUG_H_
	14	#define _JFFS2_DEBUG_H_
	15
	16	#include <linux/config.h>
	17
	18	#ifndef CONFIG_JFFS2_FS_DEBUG
	19	#define CONFIG_JFFS2_FS_DEBUG 1
	20	#endif
	21
	22	#if CONFIG_JFFS2_FS_DEBUG > 0
	23	#define JFFS2_DBG_PARANOIA_CHECKS
	24	#define D1(x) x
	25	#else
	26	#define D1(x)
	27	#endif
	28
	29	#if CONFIG_JFFS2_FS_DEBUG > 1
	30	#define D2(x) x
	31	#else
	32	#define D2(x)
	33	#endif
	34
	35	/* Enable JFFS2 sanity checks */
	36	#define JFFS2_DBG_SANITY_CHECKS
	37
	38	#if CONFIG_JFFS2_FS_DEBUG > 0
	39	void
	40	jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);
	41
	42	void
	43	jffs2_dbg_dump_node_refs(struct jffs2_sb_info c, struct jffs2_eraseblock jeb);
	44
	45	void
	46	jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);
	47
	48	void
	49	jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs);
	50	#endif
	51
	52	#ifdef JFFS2_DBG_PARANOIA_CHECKS
	53	void
	54	jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);
	55
	56	void
	57	jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
	58	struct jffs2_eraseblock *jeb);
	59
	60	void
	61	jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
	62	uint32_t ofs, int len);
	63	#else
	64	#define jffs2_dbg_fragtree_paranoia_check(f)
65	#define jffs2_dbg_acct_paranoia_check(c, jeb)
66	#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
67	#endif /* !JFFS2_PARANOIA_CHECKS */
68
69	#ifdef JFFS2_DBG_SANITY_CHECKS
70	/*
71	* Check the space accounting of the file system and of
72	* the JFFS3 erasable block 'jeb'.
73	*/
74	static inline void
75	jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
76	struct jffs2_eraseblock *jeb)
77	{
78	if (unlikely(jeb && jeb->used_size + jeb->dirty_size +
79	jeb->free_size + jeb->wasted_size +
80	jeb->unchecked_size != c->sector_size)) {
81	printk(KERN_ERR "Eeep. Space accounting for block at 0x%08x is screwed\n", jeb->offset);
82	printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + wasted %#08x + unchecked "
83	"%#08x != total %#08x\n", jeb->free_size, jeb->dirty_size, jeb->used_size,
84	jeb->wasted_size, jeb->unchecked_size, c->sector_size);
85	BUG();
86	}
87
88	if (unlikely(c->used_size + c->dirty_size + c->free_size + c->erasing_size + c->bad_size
89	+ c->wasted_size + c->unchecked_size != c->flash_size)) {
90	printk(KERN_ERR "Eeep. Space accounting superblock info is screwed\n");
91	printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + erasing %#08x + bad %#08x + "
92	"wasted %#08x + unchecked %#08x != total %#08x\n",
93	c->free_size, c->dirty_size, c->used_size, c->erasing_size, c->bad_size,
94	c->wasted_size, c->unchecked_size, c->flash_size);
95	BUG();
96	}
97	}
98	#else
99	static inline void
100	jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
101	struct jffs2_eraseblock *jeb);
102	#endif /* !JFFS2_DBG_SANITY_CHECKS */
103
104	#endif /* _JFFS2_DEBUG_H_ */