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author | Artem B. Bityutskiy <dedekind@infradead.org> | 2005-07-17 07:56:26 +0100 |
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committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-11-06 16:21:25 +0100 |
commit | 730554d94607572ef8300c5c9848540b42394897 (patch) | |
tree | fcefe9225afae333e09a59bdb2b8ac6e44676ce6 /fs/jffs2/debug.h | |
parent | dae6227f71fedb40b2478d3062397d3ab54e7556 (diff) | |
download | kernel_samsung_espresso10-730554d94607572ef8300c5c9848540b42394897.zip kernel_samsung_espresso10-730554d94607572ef8300c5c9848540b42394897.tar.gz kernel_samsung_espresso10-730554d94607572ef8300c5c9848540b42394897.tar.bz2 |
[JFFS2] Debug code clean up - step 1
Move debug functions into a seperate source file
Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/jffs2/debug.h')
-rw-r--r-- | fs/jffs2/debug.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/fs/jffs2/debug.h b/fs/jffs2/debug.h new file mode 100644 index 0000000..7d14f7b --- /dev/null +++ b/fs/jffs2/debug.h @@ -0,0 +1,104 @@ +/* + * 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_ */ |