105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
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/*
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* JFFS2 -- Journalling Flash File System, Version 2.
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*
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* Copyright (C) 2001-2003 Red Hat, Inc.
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*
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* Created by David Woodhouse <dwmw2@infradead.org>
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*
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* For licensing information, see the file 'LICENCE' in this directory.
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*
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* $Id: debug.h,v 1.1 2005/07/17 06:56:20 dedekind Exp $
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*
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*/
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#ifndef _JFFS2_DEBUG_H_
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#define _JFFS2_DEBUG_H_
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#include <linux/config.h>
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#ifndef CONFIG_JFFS2_FS_DEBUG
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#define CONFIG_JFFS2_FS_DEBUG 1
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#endif
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#if CONFIG_JFFS2_FS_DEBUG > 0
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#define JFFS2_DBG_PARANOIA_CHECKS
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#define D1(x) x
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#else
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#define D1(x)
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#endif
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#if CONFIG_JFFS2_FS_DEBUG > 1
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#define D2(x) x
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#else
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#define D2(x)
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#endif
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/* Enable JFFS2 sanity checks */
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#define JFFS2_DBG_SANITY_CHECKS
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#if CONFIG_JFFS2_FS_DEBUG > 0
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void
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jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);
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void
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jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
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void
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jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);
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void
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jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs);
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#endif
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#ifdef JFFS2_DBG_PARANOIA_CHECKS
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void
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jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);
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void
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jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
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struct jffs2_eraseblock *jeb);
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void
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jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
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uint32_t ofs, int len);
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#else
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#define jffs2_dbg_fragtree_paranoia_check(f)
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#define jffs2_dbg_acct_paranoia_check(c, jeb)
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#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
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#endif /* !JFFS2_PARANOIA_CHECKS */
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#ifdef JFFS2_DBG_SANITY_CHECKS
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/*
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* Check the space accounting of the file system and of
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* the JFFS3 erasable block 'jeb'.
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*/
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static inline void
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jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
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struct jffs2_eraseblock *jeb)
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{
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if (unlikely(jeb && jeb->used_size + jeb->dirty_size +
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jeb->free_size + jeb->wasted_size +
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jeb->unchecked_size != c->sector_size)) {
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printk(KERN_ERR "Eeep. Space accounting for block at 0x%08x is screwed\n", jeb->offset);
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printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + wasted %#08x + unchecked "
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"%#08x != total %#08x\n", jeb->free_size, jeb->dirty_size, jeb->used_size,
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jeb->wasted_size, jeb->unchecked_size, c->sector_size);
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BUG();
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}
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if (unlikely(c->used_size + c->dirty_size + c->free_size + c->erasing_size + c->bad_size
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+ c->wasted_size + c->unchecked_size != c->flash_size)) {
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printk(KERN_ERR "Eeep. Space accounting superblock info is screwed\n");
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printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + erasing %#08x + bad %#08x + "
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"wasted %#08x + unchecked %#08x != total %#08x\n",
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c->free_size, c->dirty_size, c->used_size, c->erasing_size, c->bad_size,
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c->wasted_size, c->unchecked_size, c->flash_size);
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BUG();
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}
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}
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#else
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static inline void
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jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
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struct jffs2_eraseblock *jeb);
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#endif /* !JFFS2_DBG_SANITY_CHECKS */
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#endif /* _JFFS2_DEBUG_H_ */
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