mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
393 lines
15 KiB
C
393 lines
15 KiB
C
|
/*
|
|||
|
* This file is part of UBIFS.
|
|||
|
*
|
|||
|
* Copyright (C) 2006-2008 Nokia Corporation.
|
|||
|
*
|
|||
|
* This program is free software; you can redistribute it and/or modify it
|
|||
|
* under the terms of the GNU General Public License version 2 as published by
|
|||
|
* the Free Software Foundation.
|
|||
|
*
|
|||
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|||
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|||
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|||
|
* more details.
|
|||
|
*
|
|||
|
* You should have received a copy of the GNU General Public License along with
|
|||
|
* this program; if not, write to the Free Software Foundation, Inc., 51
|
|||
|
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|||
|
*
|
|||
|
* Authors: Artem Bityutskiy (Битюцкий Артём)
|
|||
|
* Adrian Hunter
|
|||
|
*/
|
|||
|
|
|||
|
#ifndef __UBIFS_DEBUG_H__
|
|||
|
#define __UBIFS_DEBUG_H__
|
|||
|
|
|||
|
#ifdef CONFIG_UBIFS_FS_DEBUG
|
|||
|
|
|||
|
/**
|
|||
|
* ubifs_debug_info - per-FS debugging information.
|
|||
|
* @buf: a buffer of LEB size, used for various purposes
|
|||
|
* @old_zroot: old index root - used by 'dbg_check_old_index()'
|
|||
|
* @old_zroot_level: old index root level - used by 'dbg_check_old_index()'
|
|||
|
* @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
|
|||
|
* @failure_mode: failure mode for recovery testing
|
|||
|
* @fail_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls
|
|||
|
* @fail_timeout: time in jiffies when delay of failure mode expires
|
|||
|
* @fail_cnt: current number of calls to failure mode I/O functions
|
|||
|
* @fail_cnt_max: number of calls by which to delay failure mode
|
|||
|
* @chk_lpt_sz: used by LPT tree size checker
|
|||
|
* @chk_lpt_sz2: used by LPT tree size checker
|
|||
|
* @chk_lpt_wastage: used by LPT tree size checker
|
|||
|
* @chk_lpt_lebs: used by LPT tree size checker
|
|||
|
* @new_nhead_offs: used by LPT tree size checker
|
|||
|
* @new_ihead_lnum: used by debugging to check @c->ihead_lnum
|
|||
|
* @new_ihead_offs: used by debugging to check @c->ihead_offs
|
|||
|
*
|
|||
|
* @saved_lst: saved lprops statistics (used by 'dbg_save_space_info()')
|
|||
|
* @saved_free: saved free space (used by 'dbg_save_space_info()')
|
|||
|
*
|
|||
|
* dfs_dir_name: name of debugfs directory containing this file-system's files
|
|||
|
* dfs_dir: direntry object of the file-system debugfs directory
|
|||
|
* dfs_dump_lprops: "dump lprops" debugfs knob
|
|||
|
* dfs_dump_budg: "dump budgeting information" debugfs knob
|
|||
|
* dfs_dump_tnc: "dump TNC" debugfs knob
|
|||
|
*/
|
|||
|
struct ubifs_debug_info {
|
|||
|
void *buf;
|
|||
|
struct ubifs_zbranch old_zroot;
|
|||
|
int old_zroot_level;
|
|||
|
unsigned long long old_zroot_sqnum;
|
|||
|
int failure_mode;
|
|||
|
int fail_delay;
|
|||
|
unsigned long fail_timeout;
|
|||
|
unsigned int fail_cnt;
|
|||
|
unsigned int fail_cnt_max;
|
|||
|
long long chk_lpt_sz;
|
|||
|
long long chk_lpt_sz2;
|
|||
|
long long chk_lpt_wastage;
|
|||
|
int chk_lpt_lebs;
|
|||
|
int new_nhead_offs;
|
|||
|
int new_ihead_lnum;
|
|||
|
int new_ihead_offs;
|
|||
|
|
|||
|
struct ubifs_lp_stats saved_lst;
|
|||
|
long long saved_free;
|
|||
|
|
|||
|
char dfs_dir_name[100];
|
|||
|
struct dentry *dfs_dir;
|
|||
|
struct dentry *dfs_dump_lprops;
|
|||
|
struct dentry *dfs_dump_budg;
|
|||
|
struct dentry *dfs_dump_tnc;
|
|||
|
};
|
|||
|
|
|||
|
#define UBIFS_DBG(op) op
|
|||
|
|
|||
|
#define ubifs_assert(expr) do { \
|
|||
|
if (unlikely(!(expr))) { \
|
|||
|
printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
|
|||
|
__func__, __LINE__, 0); \
|
|||
|
dbg_dump_stack(); \
|
|||
|
} \
|
|||
|
} while (0)
|
|||
|
|
|||
|
#define ubifs_assert_cmt_locked(c) do { \
|
|||
|
if (unlikely(down_write_trylock(&(c)->commit_sem))) { \
|
|||
|
up_write(&(c)->commit_sem); \
|
|||
|
printk(KERN_CRIT "commit lock is not locked!\n"); \
|
|||
|
ubifs_assert(0); \
|
|||
|
} \
|
|||
|
} while (0)
|
|||
|
|
|||
|
#define dbg_dump_stack() do { \
|
|||
|
if (!dbg_failure_mode) \
|
|||
|
dump_stack(); \
|
|||
|
} while (0)
|
|||
|
|
|||
|
/* Generic debugging messages */
|
|||
|
#define dbg_msg(fmt, ...) do { \
|
|||
|
spin_lock(&dbg_lock); \
|
|||
|
printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", 0, \
|
|||
|
__func__, ##__VA_ARGS__); \
|
|||
|
spin_unlock(&dbg_lock); \
|
|||
|
} while (0)
|
|||
|
|
|||
|
#define dbg_do_msg(typ, fmt, ...) do { \
|
|||
|
if (ubifs_msg_flags & typ) \
|
|||
|
dbg_msg(fmt, ##__VA_ARGS__); \
|
|||
|
} while (0)
|
|||
|
|
|||
|
#define dbg_err(fmt, ...) do { \
|
|||
|
spin_lock(&dbg_lock); \
|
|||
|
ubifs_err(fmt, ##__VA_ARGS__); \
|
|||
|
spin_unlock(&dbg_lock); \
|
|||
|
} while (0)
|
|||
|
|
|||
|
const char *dbg_key_str0(const struct ubifs_info *c,
|
|||
|
const union ubifs_key *key);
|
|||
|
const char *dbg_key_str1(const struct ubifs_info *c,
|
|||
|
const union ubifs_key *key);
|
|||
|
|
|||
|
/*
|
|||
|
* DBGKEY macros require @dbg_lock to be held, which it is in the dbg message
|
|||
|
* macros.
|
|||
|
*/
|
|||
|
#define DBGKEY(key) dbg_key_str0(c, (key))
|
|||
|
#define DBGKEY1(key) dbg_key_str1(c, (key))
|
|||
|
|
|||
|
/* General messages */
|
|||
|
#define dbg_gen(fmt, ...) dbg_do_msg(UBIFS_MSG_GEN, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional journal messages */
|
|||
|
#define dbg_jnl(fmt, ...) dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional TNC messages */
|
|||
|
#define dbg_tnc(fmt, ...) dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional lprops messages */
|
|||
|
#define dbg_lp(fmt, ...) dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional LEB find messages */
|
|||
|
#define dbg_find(fmt, ...) dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional mount messages */
|
|||
|
#define dbg_mnt(fmt, ...) dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional I/O messages */
|
|||
|
#define dbg_io(fmt, ...) dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional commit messages */
|
|||
|
#define dbg_cmt(fmt, ...) dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional budgeting messages */
|
|||
|
#define dbg_budg(fmt, ...) dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional log messages */
|
|||
|
#define dbg_log(fmt, ...) dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional gc messages */
|
|||
|
#define dbg_gc(fmt, ...) dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional scan messages */
|
|||
|
#define dbg_scan(fmt, ...) dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/* Additional recovery messages */
|
|||
|
#define dbg_rcvry(fmt, ...) dbg_do_msg(UBIFS_MSG_RCVRY, fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
/*
|
|||
|
* Debugging message type flags (must match msg_type_names in debug.c).
|
|||
|
*
|
|||
|
* UBIFS_MSG_GEN: general messages
|
|||
|
* UBIFS_MSG_JNL: journal messages
|
|||
|
* UBIFS_MSG_MNT: mount messages
|
|||
|
* UBIFS_MSG_CMT: commit messages
|
|||
|
* UBIFS_MSG_FIND: LEB find messages
|
|||
|
* UBIFS_MSG_BUDG: budgeting messages
|
|||
|
* UBIFS_MSG_GC: garbage collection messages
|
|||
|
* UBIFS_MSG_TNC: TNC messages
|
|||
|
* UBIFS_MSG_LP: lprops messages
|
|||
|
* UBIFS_MSG_IO: I/O messages
|
|||
|
* UBIFS_MSG_LOG: log messages
|
|||
|
* UBIFS_MSG_SCAN: scan messages
|
|||
|
* UBIFS_MSG_RCVRY: recovery messages
|
|||
|
*/
|
|||
|
enum {
|
|||
|
UBIFS_MSG_GEN = 0x1,
|
|||
|
UBIFS_MSG_JNL = 0x2,
|
|||
|
UBIFS_MSG_MNT = 0x4,
|
|||
|
UBIFS_MSG_CMT = 0x8,
|
|||
|
UBIFS_MSG_FIND = 0x10,
|
|||
|
UBIFS_MSG_BUDG = 0x20,
|
|||
|
UBIFS_MSG_GC = 0x40,
|
|||
|
UBIFS_MSG_TNC = 0x80,
|
|||
|
UBIFS_MSG_LP = 0x100,
|
|||
|
UBIFS_MSG_IO = 0x200,
|
|||
|
UBIFS_MSG_LOG = 0x400,
|
|||
|
UBIFS_MSG_SCAN = 0x800,
|
|||
|
UBIFS_MSG_RCVRY = 0x1000,
|
|||
|
};
|
|||
|
|
|||
|
/* Debugging message type flags for each default debug message level */
|
|||
|
#define UBIFS_MSG_LVL_0 0
|
|||
|
#define UBIFS_MSG_LVL_1 0x1
|
|||
|
#define UBIFS_MSG_LVL_2 0x7f
|
|||
|
#define UBIFS_MSG_LVL_3 0xffff
|
|||
|
|
|||
|
/*
|
|||
|
* Debugging check flags (must match chk_names in debug.c).
|
|||
|
*
|
|||
|
* UBIFS_CHK_GEN: general checks
|
|||
|
* UBIFS_CHK_TNC: check TNC
|
|||
|
* UBIFS_CHK_IDX_SZ: check index size
|
|||
|
* UBIFS_CHK_ORPH: check orphans
|
|||
|
* UBIFS_CHK_OLD_IDX: check the old index
|
|||
|
* UBIFS_CHK_LPROPS: check lprops
|
|||
|
* UBIFS_CHK_FS: check the file-system
|
|||
|
*/
|
|||
|
enum {
|
|||
|
UBIFS_CHK_GEN = 0x1,
|
|||
|
UBIFS_CHK_TNC = 0x2,
|
|||
|
UBIFS_CHK_IDX_SZ = 0x4,
|
|||
|
UBIFS_CHK_ORPH = 0x8,
|
|||
|
UBIFS_CHK_OLD_IDX = 0x10,
|
|||
|
UBIFS_CHK_LPROPS = 0x20,
|
|||
|
UBIFS_CHK_FS = 0x40,
|
|||
|
};
|
|||
|
|
|||
|
/*
|
|||
|
* Special testing flags (must match tst_names in debug.c).
|
|||
|
*
|
|||
|
* UBIFS_TST_FORCE_IN_THE_GAPS: force the use of in-the-gaps method
|
|||
|
* UBIFS_TST_RCVRY: failure mode for recovery testing
|
|||
|
*/
|
|||
|
enum {
|
|||
|
UBIFS_TST_FORCE_IN_THE_GAPS = 0x2,
|
|||
|
UBIFS_TST_RCVRY = 0x4,
|
|||
|
};
|
|||
|
|
|||
|
#if CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 1
|
|||
|
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_1
|
|||
|
#elif CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 2
|
|||
|
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_2
|
|||
|
#elif CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 3
|
|||
|
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_3
|
|||
|
#else
|
|||
|
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_0
|
|||
|
#endif
|
|||
|
|
|||
|
#ifdef CONFIG_UBIFS_FS_DEBUG_CHKS
|
|||
|
#define UBIFS_CHK_FLAGS_DEFAULT 0xffffffff
|
|||
|
#else
|
|||
|
#define UBIFS_CHK_FLAGS_DEFAULT 0
|
|||
|
#endif
|
|||
|
|
|||
|
#define dbg_ntype(type) ""
|
|||
|
#define dbg_cstate(cmt_state) ""
|
|||
|
#define dbg_get_key_dump(c, key) ({})
|
|||
|
#define dbg_dump_inode(c, inode) ({})
|
|||
|
#define dbg_dump_node(c, node) ({})
|
|||
|
#define dbg_dump_budget_req(req) ({})
|
|||
|
#define dbg_dump_lstats(lst) ({})
|
|||
|
#define dbg_dump_budg(c) ({})
|
|||
|
#define dbg_dump_lprop(c, lp) ({})
|
|||
|
#define dbg_dump_lprops(c) ({})
|
|||
|
#define dbg_dump_lpt_info(c) ({})
|
|||
|
#define dbg_dump_leb(c, lnum) ({})
|
|||
|
#define dbg_dump_znode(c, znode) ({})
|
|||
|
#define dbg_dump_heap(c, heap, cat) ({})
|
|||
|
#define dbg_dump_pnode(c, pnode, parent, iip) ({})
|
|||
|
#define dbg_dump_tnc(c) ({})
|
|||
|
#define dbg_dump_index(c) ({})
|
|||
|
|
|||
|
#define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0
|
|||
|
#define dbg_old_index_check_init(c, zroot) 0
|
|||
|
#define dbg_check_old_index(c, zroot) 0
|
|||
|
#define dbg_check_cats(c) 0
|
|||
|
#define dbg_check_ltab(c) 0
|
|||
|
#define dbg_chk_lpt_free_spc(c) 0
|
|||
|
#define dbg_chk_lpt_sz(c, action, len) 0
|
|||
|
#define dbg_check_synced_i_size(inode) 0
|
|||
|
#define dbg_check_dir_size(c, dir) 0
|
|||
|
#define dbg_check_tnc(c, x) 0
|
|||
|
#define dbg_check_idx_size(c, idx_size) 0
|
|||
|
#define dbg_check_filesystem(c) 0
|
|||
|
#define dbg_check_heap(c, heap, cat, add_pos) ({})
|
|||
|
#define dbg_check_lprops(c) 0
|
|||
|
#define dbg_check_lpt_nodes(c, cnode, row, col) 0
|
|||
|
#define dbg_force_in_the_gaps_enabled 0
|
|||
|
#define dbg_force_in_the_gaps() 0
|
|||
|
#define dbg_failure_mode 0
|
|||
|
#define dbg_failure_mode_registration(c) ({})
|
|||
|
#define dbg_failure_mode_deregistration(c) ({})
|
|||
|
|
|||
|
int ubifs_debugging_init(struct ubifs_info *c);
|
|||
|
void ubifs_debugging_exit(struct ubifs_info *c);
|
|||
|
|
|||
|
#else /* !CONFIG_UBIFS_FS_DEBUG */
|
|||
|
|
|||
|
#define UBIFS_DBG(op)
|
|||
|
|
|||
|
/* Use "if (0)" to make compiler check arguments even if debugging is off */
|
|||
|
#define ubifs_assert(expr) do { \
|
|||
|
if (0 && (expr)) \
|
|||
|
printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
|
|||
|
__func__, __LINE__, 0); \
|
|||
|
} while (0)
|
|||
|
|
|||
|
#define dbg_err(fmt, ...) do { \
|
|||
|
if (0) \
|
|||
|
ubifs_err(fmt, ##__VA_ARGS__); \
|
|||
|
} while (0)
|
|||
|
|
|||
|
#define dbg_msg(fmt, ...) do { \
|
|||
|
if (0) \
|
|||
|
printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", \
|
|||
|
0, __func__, ##__VA_ARGS__); \
|
|||
|
} while (0)
|
|||
|
|
|||
|
#define dbg_dump_stack()
|
|||
|
#define ubifs_assert_cmt_locked(c)
|
|||
|
|
|||
|
#define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_jnl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_tnc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_lp(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_find(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_mnt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_cmt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_budg(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_log(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_gc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_scan(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
#define dbg_rcvry(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|||
|
|
|||
|
#define DBGKEY(key) ((char *)(key))
|
|||
|
#define DBGKEY1(key) ((char *)(key))
|
|||
|
|
|||
|
#define ubifs_debugging_init(c) 0
|
|||
|
#define ubifs_debugging_exit(c) ({})
|
|||
|
|
|||
|
#define dbg_ntype(type) ""
|
|||
|
#define dbg_cstate(cmt_state) ""
|
|||
|
#define dbg_get_key_dump(c, key) ({})
|
|||
|
#define dbg_dump_inode(c, inode) ({})
|
|||
|
#define dbg_dump_node(c, node) ({})
|
|||
|
#define dbg_dump_budget_req(req) ({})
|
|||
|
#define dbg_dump_lstats(lst) ({})
|
|||
|
#define dbg_dump_budg(c) ({})
|
|||
|
#define dbg_dump_lprop(c, lp) ({})
|
|||
|
#define dbg_dump_lprops(c) ({})
|
|||
|
#define dbg_dump_lpt_info(c) ({})
|
|||
|
#define dbg_dump_leb(c, lnum) ({})
|
|||
|
#define dbg_dump_znode(c, znode) ({})
|
|||
|
#define dbg_dump_heap(c, heap, cat) ({})
|
|||
|
#define dbg_dump_pnode(c, pnode, parent, iip) ({})
|
|||
|
#define dbg_dump_tnc(c) ({})
|
|||
|
#define dbg_dump_index(c) ({})
|
|||
|
|
|||
|
#define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0
|
|||
|
#define dbg_old_index_check_init(c, zroot) 0
|
|||
|
#define dbg_check_old_index(c, zroot) 0
|
|||
|
#define dbg_check_cats(c) 0
|
|||
|
#define dbg_check_ltab(c) 0
|
|||
|
#define dbg_chk_lpt_free_spc(c) 0
|
|||
|
#define dbg_chk_lpt_sz(c, action, len) 0
|
|||
|
#define dbg_check_synced_i_size(inode) 0
|
|||
|
#define dbg_check_dir_size(c, dir) 0
|
|||
|
#define dbg_check_tnc(c, x) 0
|
|||
|
#define dbg_check_idx_size(c, idx_size) 0
|
|||
|
#define dbg_check_filesystem(c) 0
|
|||
|
#define dbg_check_heap(c, heap, cat, add_pos) ({})
|
|||
|
#define dbg_check_lprops(c) 0
|
|||
|
#define dbg_check_lpt_nodes(c, cnode, row, col) 0
|
|||
|
#define dbg_force_in_the_gaps_enabled 0
|
|||
|
#define dbg_force_in_the_gaps() 0
|
|||
|
#define dbg_failure_mode 0
|
|||
|
#define dbg_failure_mode_registration(c) ({})
|
|||
|
#define dbg_failure_mode_deregistration(c) ({})
|
|||
|
|
|||
|
#endif /* !CONFIG_UBIFS_FS_DEBUG */
|
|||
|
|
|||
|
#endif /* !__UBIFS_DEBUG_H__ */
|