/* * JFFS2 -- Journalling Flash File System, Version 2. * * Copyright © 2001-2007 Red Hat, Inc. * * 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_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default */ #define JFFS2_DBG_SANITY_CHECKS /* * Dx() are mainly used for debugging messages, they must go away and be * superseded by nicer dbg_xxx() macros...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, current->pid, \ __FUNCTION__ , ##__VA_ARGS__); \ } while(0) #define JFFS2_WARNING(fmt, ...) \ do { \ printk(JFFS2_WARN_MSG_PREFIX \ " (%d) %s: " fmt, current->pid, \ __FUNCTION__ , ##__VA_ARGS__); \ } while(0) #define JFFS2_NOTICE(fmt, ...) \ do { \ printk(JFFS2_NOTICE_MSG_PREFIX \ " (%d) %s: " fmt, current->pid, \ __FUNCTION__ , ##__VA_ARGS__); \ } while(0) #define JFFS2_DEBUG(fmt, ...) \ do { \ 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 dbg_readinode(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) #else #define dbg_readinode(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_ */