diff options
Diffstat (limited to 'fs/ubifs/debug.h')
| -rw-r--r-- | fs/ubifs/debug.h | 127 |
1 files changed, 98 insertions, 29 deletions
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h index 33d6b95071e..c1cd73b2e06 100644 --- a/fs/ubifs/debug.h +++ b/fs/ubifs/debug.h @@ -25,7 +25,61 @@ #ifdef CONFIG_UBIFS_FS_DEBUG -#define UBIFS_DBG(op) op +/** + * 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_assert(expr) do { \ if (unlikely(!(expr))) { \ @@ -211,14 +265,18 @@ extern unsigned int ubifs_msg_flags; extern unsigned int ubifs_chk_flags; extern unsigned int ubifs_tst_flags; -/* Dump functions */ +int ubifs_debugging_init(struct ubifs_info *c); +void ubifs_debugging_exit(struct ubifs_info *c); +/* Dump functions */ const char *dbg_ntype(int type); const char *dbg_cstate(int cmt_state); const char *dbg_get_key_dump(const struct ubifs_info *c, const union ubifs_key *key); void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode); void dbg_dump_node(const struct ubifs_info *c, const void *node); +void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum, + int offs); void dbg_dump_budget_req(const struct ubifs_budget_req *req); void dbg_dump_lstats(const struct ubifs_lp_stats *lst); void dbg_dump_budg(struct ubifs_info *c); @@ -233,9 +291,9 @@ void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode, struct ubifs_nnode *parent, int iip); void dbg_dump_tnc(struct ubifs_info *c); void dbg_dump_index(struct ubifs_info *c); +void dbg_dump_lpt_lebs(const struct ubifs_info *c); /* Checking helper functions */ - typedef int (*dbg_leaf_callback)(struct ubifs_info *c, struct ubifs_zbranch *zbr, void *priv); typedef int (*dbg_znode_callback)(struct ubifs_info *c, @@ -244,7 +302,8 @@ int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb, dbg_znode_callback znode_cb, void *priv); /* Checking functions */ - +void dbg_save_space_info(struct ubifs_info *c); +int dbg_check_space_info(struct ubifs_info *c); int dbg_check_lprops(struct ubifs_info *c); int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot); int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot); @@ -274,9 +333,6 @@ int dbg_force_in_the_gaps(void); #define dbg_failure_mode (ubifs_tst_flags & UBIFS_TST_RCVRY) -void dbg_failure_mode_registration(struct ubifs_info *c); -void dbg_failure_mode_deregistration(struct ubifs_info *c); - #ifndef UBIFS_DBG_PRESERVE_UBI #define ubi_leb_read dbg_leb_read @@ -318,9 +374,13 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum, return dbg_leb_change(desc, lnum, buf, len, UBI_UNKNOWN); } -#else /* !CONFIG_UBIFS_FS_DEBUG */ +/* Debugfs-related stuff */ +int dbg_debugfs_init(void); +void dbg_debugfs_exit(void); +int dbg_debugfs_init_fs(struct ubifs_info *c); +void dbg_debugfs_exit_fs(struct ubifs_info *c); -#define UBIFS_DBG(op) +#else /* !CONFIG_UBIFS_FS_DEBUG */ /* Use "if (0)" to make compiler check arguments even if debugging is off */ #define ubifs_assert(expr) do { \ @@ -360,26 +420,33 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum, #define DBGKEY(key) ((char *)(key)) #define DBGKEY1(key) ((char *)(key)) -#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 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_lpt_node(c, node, lnum, offs) ({}) +#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_dump_lpt_lebs(c) ({}) #define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0 #define dbg_old_index_check_init(c, zroot) 0 +#define dbg_save_space_info(c) ({}) +#define dbg_check_space_info(c) 0 #define dbg_check_old_index(c, zroot) 0 #define dbg_check_cats(c) 0 #define dbg_check_ltab(c) 0 @@ -396,9 +463,11 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum, #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 */ +#define dbg_debugfs_init() 0 +#define dbg_debugfs_exit() +#define dbg_debugfs_init_fs(c) 0 +#define dbg_debugfs_exit_fs(c) 0 +#endif /* !CONFIG_UBIFS_FS_DEBUG */ #endif /* !__UBIFS_DEBUG_H__ */ |