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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277/* * 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/printk.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/* * Dx() are mainly used for debugging messages, they must go away and be * superseded by nicer dbg_xxx() macros...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 DEBUG#define D1(x) x#else#define D1(x)#endif
#if CONFIG_JFFS2_FS_DEBUG > 1#define D2(x) x#else#define D2(x)#endif
#define jffs2_dbg(level, fmt, ...) \do { \ if (CONFIG_JFFS2_FS_DEBUG >= level) \ pr_debug(fmt, ##__VA_ARGS__); \} while (0)
/* The prefixes of JFFS2 messages */#define JFFS2_DBG KERN_DEBUG#define JFFS2_DBG_PREFIX "[JFFS2 DBG]"#define JFFS2_DBG_MSG_PREFIX JFFS2_DBG JFFS2_DBG_PREFIX
/* JFFS2 message macros */#define JFFS2_ERROR(fmt, ...) \ pr_err("error: (%d) %s: " fmt, \ task_pid_nr(current), __func__, ##__VA_ARGS__)
#define JFFS2_WARNING(fmt, ...) \ pr_warn("warning: (%d) %s: " fmt, \ task_pid_nr(current), __func__, ##__VA_ARGS__)
#define JFFS2_NOTICE(fmt, ...) \ pr_notice("notice: (%d) %s: " fmt, \ task_pid_nr(current), __func__, ##__VA_ARGS__)
#define JFFS2_DEBUG(fmt, ...) \ printk(KERN_DEBUG "[JFFS2 DBG] (%d) %s: " fmt, \ task_pid_nr(current), __func__, ##__VA_ARGS__)
/* * 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, ...) no_printk(fmt, ##__VA_ARGS__)#endif#ifdef JFFS2_DBG_READINODE2_MESSAGES#define dbg_readinode2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)#else#define dbg_readinode2(fmt, ...) no_printk(fmt, ##__VA_ARGS__)#endif
/* Fragtree build debugging messages */#ifdef JFFS2_DBG_FRAGTREE_MESSAGES#define dbg_fragtree(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)#else#define dbg_fragtree(fmt, ...) no_printk(fmt, ##__VA_ARGS__)#endif#ifdef JFFS2_DBG_FRAGTREE2_MESSAGES#define dbg_fragtree2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)#else#define dbg_fragtree2(fmt, ...) no_printk(fmt, ##__VA_ARGS__)#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, ...) no_printk(fmt, ##__VA_ARGS__)#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, ...) no_printk(fmt, ##__VA_ARGS__)#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, ...) no_printk(fmt, ##__VA_ARGS__)#endif
/* Summary debugging messages */#ifdef JFFS2_DBG_SUMMARY_MESSAGES#define dbg_summary(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)#else#define dbg_summary(fmt, ...) no_printk(fmt, ##__VA_ARGS__)#endif
/* File system build messages */#ifdef JFFS2_DBG_FSBUILD_MESSAGES#define dbg_fsbuild(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)#else#define dbg_fsbuild(fmt, ...) no_printk(fmt, ##__VA_ARGS__)#endif
/* Watch the object allocations */#ifdef JFFS2_DBG_MEMALLOC_MESSAGES#define dbg_memalloc(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)#else#define dbg_memalloc(fmt, ...) no_printk(fmt, ##__VA_ARGS__)#endif
/* Watch the XATTR subsystem */#ifdef JFFS2_DBG_XATTR_MESSAGES#define dbg_xattr(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)#else#define dbg_xattr(fmt, ...) no_printk(fmt, ##__VA_ARGS__)#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_ */