 8e24eea728
			
		
	
	
	8e24eea728
	
	
	
		
			
			__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
		
			
				
	
	
		
			290 lines
		
	
	
	
		
			8.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			290 lines
		
	
	
	
		
			8.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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_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|  * superseded by nicer dbg_xxx() macros...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_ */
 |