/*
* JFFS2 -- Journalling Flash File System, Version 2.
*
- * Copyright (C) 2001-2003 Red Hat, Inc.
+ * Copyright © 2001-2007 Red Hat, Inc.
*
* Created by David Woodhouse <dwmw2@infradead.org>
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: debug.h,v 1.5 2005/07/24 15:14:14 dedekind Exp $
- *
*/
+
#ifndef _JFFS2_DEBUG_H_
#define _JFFS2_DEBUG_H_
-#include <linux/config.h>
-
-/* ------------------------------------------------ */
-/* TODO: remove */
-#undef CONFIG_JFFS2_FS_DEBUG
-#define CONFIG_JFFS2_FS_DEBUG 0
-//#define JFFS2_DBG_PARANOIA_CHECKS
-//#define JFFS2_DBG_DUMPS
-#define JFFS2_DBG_READINODE_MESSAGES
-//#define JFFS2_DBG_FRAGTREE_MESSAGES
-//#define JFFS2_DBG_FRAGTREE2_MESSAGES
-#undef KERN_DEBUG
-#undef KERN_WARNING
-#undef KERN_NOTICE
-#undef KERN_ERR
-#define KERN_DEBUG KERN_CRIT
-#define KERN_WARNING KERN_CRIT
-#define KERN_NOTICE KERN_CRIT
-#define KERN_ERR KERN_CRIT
-/* ------------------------------------------------ */
+#include <linux/sched.h>
#ifndef CONFIG_JFFS2_FS_DEBUG
-#define CONFIG_JFFS2_FS_DEBUG 1
+#define CONFIG_JFFS2_FS_DEBUG 0
#endif
-#if CONFIG_JFFS2_FS_DEBUG == 1
+#if CONFIG_JFFS2_FS_DEBUG > 0
/* Enable "paranoia" checks and dumps */
#define JFFS2_DBG_PARANOIA_CHECKS
#define JFFS2_DBG_DUMPS
+
+/*
+ * By defining/undefining the below macros one may select debugging messages
+ * fro specific JFFS2 subsystems.
+ */
#define JFFS2_DBG_READINODE_MESSAGES
#define JFFS2_DBG_FRAGTREE_MESSAGES
#define JFFS2_DBG_DENTLIST_MESSAGES
#define JFFS2_DBG_NODEREF_MESSAGES
#define JFFS2_DBG_INOCACHE_MESSAGES
+#define JFFS2_DBG_SUMMARY_MESSAGES
+#define JFFS2_DBG_FSBUILD_MESSAGES
#endif
-#if CONFIG_JFFS2_FS_DEBUG == 2
+#if CONFIG_JFFS2_FS_DEBUG > 1
#define JFFS2_DBG_FRAGTREE2_MESSAGES
+#define JFFS2_DBG_MEMALLOC_MESSAGES
#endif
-/* Enable JFFS2 sanity checks by default */
+/* Sanity checks are supposed to be light-weight and enabled by default */
#define JFFS2_DBG_SANITY_CHECKS
-/*
+/*
* Dx() are mainly used for debugging messages, they must go away and be
- * superseded by nicer JFFS2_DBG_XXX() macros...
+ * superseded by nicer dbg_xxx() macros...
*/
#if CONFIG_JFFS2_FS_DEBUG > 0
#define D1(x) x
#endif
/* The prefixes of JFFS2 messages */
-#define JFFS2_DBG_MSG_PREFIX "[JFFS2 DBG]"
-#define JFFS2_ERR_MSG_PREFIX "JFFS2 error: "
-#define JFFS2_WARN_MSG_PREFIX "JFFS2 warning: "
-#define JFFS2_NOTICE_MSG_PREFIX "JFFS2 notice: "
+#define JFFS2_DBG_PREFIX "[JFFS2 DBG]"
+#define JFFS2_ERR_PREFIX "JFFS2 error:"
+#define JFFS2_WARN_PREFIX "JFFS2 warning:"
+#define JFFS2_NOTICE_PREFIX "JFFS2 notice:"
+
+#define JFFS2_ERR KERN_ERR
+#define JFFS2_WARN KERN_WARNING
+#define JFFS2_NOT KERN_NOTICE
+#define JFFS2_DBG KERN_DEBUG
-#define JFFS2_ERR_LVL KERN_ERR
-#define JFFS2_WARN_LVL KERN_WARNING
-#define JFFS2_NOTICE_LVL KERN_NOTICE
-#define JFFS2_DBG_LVL KERN_DEBUG
+#define JFFS2_DBG_MSG_PREFIX JFFS2_DBG JFFS2_DBG_PREFIX
+#define JFFS2_ERR_MSG_PREFIX JFFS2_ERR JFFS2_ERR_PREFIX
+#define JFFS2_WARN_MSG_PREFIX JFFS2_WARN JFFS2_WARN_PREFIX
+#define JFFS2_NOTICE_MSG_PREFIX JFFS2_NOT JFFS2_NOTICE_PREFIX
/* JFFS2 message macros */
#define JFFS2_ERROR(fmt, ...) \
do { \
- printk(JFFS2_ERR_LVL JFFS2_ERR_MSG_PREFIX " %s: " \
- fmt, __FUNCTION__, ##__VA_ARGS__); \
+ printk(JFFS2_ERR_MSG_PREFIX \
+ " (%d) %s: " fmt, current->pid, \
+ __FUNCTION__ , ##__VA_ARGS__); \
} while(0)
#define JFFS2_WARNING(fmt, ...) \
do { \
- printk(JFFS2_WARN_LVL JFFS2_WARN_MSG_PREFIX " %s: " \
- fmt, __FUNCTION__, ##__VA_ARGS__); \
+ printk(JFFS2_WARN_MSG_PREFIX \
+ " (%d) %s: " fmt, current->pid, \
+ __FUNCTION__ , ##__VA_ARGS__); \
} while(0)
-
+
#define JFFS2_NOTICE(fmt, ...) \
do { \
- printk(JFFS2_NOTICE_LVL JFFS2_NOTICE_MSG_PREFIX " %s: " \
- fmt, __FUNCTION__, ##__VA_ARGS__); \
+ printk(JFFS2_NOTICE_MSG_PREFIX \
+ " (%d) %s: " fmt, current->pid, \
+ __FUNCTION__ , ##__VA_ARGS__); \
} while(0)
#define JFFS2_DEBUG(fmt, ...) \
do { \
- printk(JFFS2_DBG_LVL JFFS2_DBG_MSG_PREFIX " %s: " \
- fmt, __FUNCTION__, ##__VA_ARGS__); \
+ printk(JFFS2_DBG_MSG_PREFIX \
+ " (%d) %s: " fmt, current->pid, \
+ __FUNCTION__ , ##__VA_ARGS__); \
} while(0)
-/*
+/*
* We split our debugging messages on several parts, depending on the JFFS2
* subsystem the message belongs to.
*/
/* Read inode debugging messages */
#ifdef JFFS2_DBG_READINODE_MESSAGES
-#define JFFS2_DBG_READINODE(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#define dbg_readinode(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
-#define JFFS2_DBG_READINODE(fmt, ...)
+#define dbg_readinode(fmt, ...)
#endif
/* Fragtree build debugging messages */
#ifdef JFFS2_DBG_FRAGTREE_MESSAGES
-#define JFFS2_DBG_FRAGTREE(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#define dbg_fragtree(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
-#define JFFS2_DBG_FRAGTREE(fmt, ...)
+#define dbg_fragtree(fmt, ...)
+#endif
+#ifdef JFFS2_DBG_FRAGTREE2_MESSAGES
+#define dbg_fragtree2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define dbg_fragtree2(fmt, ...)
#endif
/* Directory entry list manilulation debugging messages */
#ifdef JFFS2_DBG_DENTLIST_MESSAGES
-#define JFFS2_DBG_DENTLIST(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#define dbg_dentlist(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
-#define JFFS2_DBG_DENTLIST(fmt, ...)
-#endif
-#ifdef JFFS2_DBG_FRAGTREE2_MESSAGES
-#define JFFS2_DBG_FRAGTREE2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
-#else
-#define JFFS2_DBG_FRAGTREE2(fmt, ...)
+#define dbg_dentlist(fmt, ...)
#endif
-/* Plays with node_refs */
+/* Print the messages about manipulating node_refs */
#ifdef JFFS2_DBG_NODEREF_MESSAGES
-#define JFFS2_DBG_NODEREF(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#define dbg_noderef(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
-#define JFFS2_DBG_NODEREF(fmt, ...)
+#define dbg_noderef(fmt, ...)
#endif
-/* Plays with the list of inodes (JFFS2 inocache) */
+/* Manipulations with the list of inodes (JFFS2 inocache) */
#ifdef JFFS2_DBG_INOCACHE_MESSAGES
-#define JFFS2_DBG_INOCACHE(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#define dbg_inocache(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define dbg_inocache(fmt, ...)
+#endif
+
+/* Summary debugging messages */
+#ifdef JFFS2_DBG_SUMMARY_MESSAGES
+#define dbg_summary(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define dbg_summary(fmt, ...)
+#endif
+
+/* File system build messages */
+#ifdef JFFS2_DBG_FSBUILD_MESSAGES
+#define dbg_fsbuild(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define dbg_fsbuild(fmt, ...)
+#endif
+
+/* Watch the object allocations */
+#ifdef JFFS2_DBG_MEMALLOC_MESSAGES
+#define dbg_memalloc(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
-#define JFFS2_DBG_INOCACHE(fmt, ...)
+#define dbg_memalloc(fmt, ...)
#endif
+/* Watch the XATTR subsystem */
+#ifdef JFFS2_DBG_XATTR_MESSAGES
+#define dbg_xattr(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define dbg_xattr(fmt, ...)
+#endif
+
+/* "Sanity" checks */
+void
+__jffs2_dbg_acct_sanity_check_nolock(struct jffs2_sb_info *c,
+ struct jffs2_eraseblock *jeb);
+void
+__jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
+ struct jffs2_eraseblock *jeb);
+
/* "Paranoia" checks */
void
__jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);
#define jffs2_dbg_dump_node(c, ofs)
#endif /* !JFFS2_DBG_DUMPS */
-/*
- * Sanity checks are supposed to be light-weight and enabled by default.
- */
#ifdef JFFS2_DBG_SANITY_CHECKS
-/*
- * Check the space accounting of the file system and of
- * the JFFS2 erasable block 'jeb'.
- */
-static inline void
-jffs2_dbg_acct_sanity_check_nolock(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)) {
- JFFS2_ERROR("eeep, space accounting for block at 0x%08x is screwed.\n", jeb->offset);
- JFFS2_ERROR("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)) {
- JFFS2_ERROR("eeep, space accounting superblock info is screwed.\n");
- JFFS2_ERROR("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();
- }
-}
-
-static inline void
-jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
- struct jffs2_eraseblock *jeb)
-{
- spin_lock(&c->erase_completion_lock);
- jffs2_dbg_acct_sanity_check_nolock(c, jeb);
- spin_unlock(&c->erase_completion_lock);
-}
+#define jffs2_dbg_acct_sanity_check(c, jeb) \
+ __jffs2_dbg_acct_sanity_check(c, jeb)
+#define jffs2_dbg_acct_sanity_check_nolock(c, jeb) \
+ __jffs2_dbg_acct_sanity_check_nolock(c, jeb)
#else
#define jffs2_dbg_acct_sanity_check(c, jeb)
#define jffs2_dbg_acct_sanity_check_nolock(c, jeb)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff