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linux_dsm_epyc7002/fs/jffs2/debug.h
David Woodhouse 6088c05877 jffs2: Update copyright notices 
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2010-08-08 14:15:22 +01:00

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/*
* JFFS2 -- Journalling Flash File System, Version 2.
*
* Copyright © 2001-2007 Red Hat, Inc.
* Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org>
*
* Created by David Woodhouse <dwmw2@infradead.org>
*
* For licensing information, see the file 'LICENCE' in this directory.
*
*/
#ifndef _JFFS2_DEBUG_H_
#define _JFFS2_DEBUG_H_
#include <linux/sched.h>
#ifndef CONFIG_JFFS2_FS_DEBUG
#define CONFIG_JFFS2_FS_DEBUG 0
#endif
#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 > 1
#define JFFS2_DBG_FRAGTREE2_MESSAGES
#define JFFS2_DBG_READINODE2_MESSAGES
#define JFFS2_DBG_MEMALLOC_MESSAGES
#endif
/* 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* superseded by nicer dbg_xxx() macros...
*/
#if CONFIG_JFFS2_FS_DEBUG > 0
#define D1(x) x
#else
#define D1(x)
#endif
#if CONFIG_JFFS2_FS_DEBUG > 1
#define D2(x) x
#else
#define D2(x)
#endif
/* The prefixes of JFFS2 messages */
#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_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_MSG_PREFIX \
" (%d) %s: " fmt, task_pid_nr(current), \
__func__ , ##__VA_ARGS__); \
} while(0)
#define JFFS2_WARNING(fmt, ...) \
do { \
printk(JFFS2_WARN_MSG_PREFIX \
" (%d) %s: " fmt, task_pid_nr(current), \
__func__ , ##__VA_ARGS__); \
} while(0)
#define JFFS2_NOTICE(fmt, ...) \
do { \
printk(JFFS2_NOTICE_MSG_PREFIX \
" (%d) %s: " fmt, task_pid_nr(current), \
__func__ , ##__VA_ARGS__); \
} while(0)
#define JFFS2_DEBUG(fmt, ...) \
do { \
printk(JFFS2_DBG_MSG_PREFIX \
" (%d) %s: " fmt, task_pid_nr(current), \
__func__ , ##__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 dbg_readinode(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
#define dbg_readinode(fmt, ...)
#endif
#ifdef JFFS2_DBG_READINODE2_MESSAGES
#define dbg_readinode2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
#define dbg_readinode2(fmt, ...)
#endif
/* Fragtree build debugging messages */
#ifdef JFFS2_DBG_FRAGTREE_MESSAGES
#define dbg_fragtree(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
#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 dbg_dentlist(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
#define dbg_dentlist(fmt, ...)
#endif
/* Print the messages about manipulating node_refs */
#ifdef JFFS2_DBG_NODEREF_MESSAGES
#define dbg_noderef(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
#else
#define dbg_noderef(fmt, ...)
#endif
/* Manipulations with the list of inodes (JFFS2 inocache) */
#ifdef JFFS2_DBG_INOCACHE_MESSAGES
#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 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);
void
__jffs2_dbg_fragtree_paranoia_check_nolock(struct jffs2_inode_info *f);
void
__jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb);
void
__jffs2_dbg_acct_paranoia_check_nolock(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);
/* "Dump" functions */
void
__jffs2_dbg_dump_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
void
__jffs2_dbg_dump_jeb_nolock(struct jffs2_eraseblock *jeb);
void
__jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);
void
__jffs2_dbg_dump_block_lists_nolock(struct jffs2_sb_info *c);
void
__jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb);
void
__jffs2_dbg_dump_node_refs_nolock(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb);
void
__jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);
void
__jffs2_dbg_dump_fragtree_nolock(struct jffs2_inode_info *f);
void
__jffs2_dbg_dump_buffer(unsigned char *buf, int len, uint32_t offs);
void
__jffs2_dbg_dump_node(struct jffs2_sb_info *c, uint32_t ofs);
#ifdef JFFS2_DBG_PARANOIA_CHECKS
#define jffs2_dbg_fragtree_paranoia_check(f) \
__jffs2_dbg_fragtree_paranoia_check(f)
#define jffs2_dbg_fragtree_paranoia_check_nolock(f) \
__jffs2_dbg_fragtree_paranoia_check_nolock(f)
#define jffs2_dbg_acct_paranoia_check(c, jeb) \
__jffs2_dbg_acct_paranoia_check(c,jeb)
#define jffs2_dbg_acct_paranoia_check_nolock(c, jeb) \
__jffs2_dbg_acct_paranoia_check_nolock(c,jeb)
#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len) \
__jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
#else
#define jffs2_dbg_fragtree_paranoia_check(f)
#define jffs2_dbg_fragtree_paranoia_check_nolock(f)
#define jffs2_dbg_acct_paranoia_check(c, jeb)
#define jffs2_dbg_acct_paranoia_check_nolock(c, jeb)
#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
#endif /* !JFFS2_PARANOIA_CHECKS */
#ifdef JFFS2_DBG_DUMPS
#define jffs2_dbg_dump_jeb(c, jeb) \
__jffs2_dbg_dump_jeb(c, jeb);
#define jffs2_dbg_dump_jeb_nolock(jeb) \
__jffs2_dbg_dump_jeb_nolock(jeb);
#define jffs2_dbg_dump_block_lists(c) \
__jffs2_dbg_dump_block_lists(c)
#define jffs2_dbg_dump_block_lists_nolock(c) \
__jffs2_dbg_dump_block_lists_nolock(c)
#define jffs2_dbg_dump_fragtree(f) \
__jffs2_dbg_dump_fragtree(f);
#define jffs2_dbg_dump_fragtree_nolock(f) \
__jffs2_dbg_dump_fragtree_nolock(f);
#define jffs2_dbg_dump_buffer(buf, len, offs) \
__jffs2_dbg_dump_buffer(*buf, len, offs);
#define jffs2_dbg_dump_node(c, ofs) \
__jffs2_dbg_dump_node(c, ofs);
#else
#define jffs2_dbg_dump_jeb(c, jeb)
#define jffs2_dbg_dump_jeb_nolock(jeb)
#define jffs2_dbg_dump_block_lists(c)
#define jffs2_dbg_dump_block_lists_nolock(c)
#define jffs2_dbg_dump_fragtree(f)
#define jffs2_dbg_dump_fragtree_nolock(f)
#define jffs2_dbg_dump_buffer(buf, len, offs)
#define jffs2_dbg_dump_node(c, ofs)
#endif /* !JFFS2_DBG_DUMPS */
#ifdef JFFS2_DBG_SANITY_CHECKS
#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)
#endif /* !JFFS2_DBG_SANITY_CHECKS */
#endif /* _JFFS2_DEBUG_H_ */
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