From 552ff3179d1e93a3e982357544c059f3e9a5516e Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Thu, 23 Oct 2008 11:49:28 +0300 Subject: UBIFS: add debugfs support We need to have a possibility to see various UBIFS variables and ask UBIFS to dump various information. Debugfs is what we need. Signed-off-by: Artem Bityutskiy --- fs/ubifs/debug.h | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) (limited to 'fs/ubifs/debug.h') diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h index d6ea1362d56..a6b70f8aac9 100644 --- a/fs/ubifs/debug.h +++ b/fs/ubifs/debug.h @@ -43,6 +43,13 @@ * @new_nhead_offs: used by LPT tree size checker * @new_ihead_lnum: used by debugging to check ihead_lnum * @new_ihead_offs: used by debugging to check ihead_offs + * + * debugfs_dir_name: name of debugfs directory containing this file-system's + * files + * debugfs_dir: direntry object of the file-system debugfs directory + * dump_lprops: "dump lprops" debugfs knob + * dump_budg: "dump budgeting information" debugfs knob + * dump_tnc: "dump TNC" debugfs knob */ struct ubifs_debug_info { void *buf; @@ -61,6 +68,12 @@ struct ubifs_debug_info { int new_nhead_offs; int new_ihead_lnum; int new_ihead_offs; + + char debugfs_dir_name[100]; + struct dentry *debugfs_dir; + struct dentry *dump_lprops; + struct dentry *dump_budg; + struct dentry *dump_tnc; }; #define ubifs_assert(expr) do { \ @@ -251,7 +264,6 @@ 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, @@ -274,7 +286,6 @@ void dbg_dump_tnc(struct ubifs_info *c); void dbg_dump_index(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, @@ -354,6 +365,12 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum, return dbg_leb_change(desc, lnum, buf, len, UBI_UNKNOWN); } +/* 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); + #else /* !CONFIG_UBIFS_FS_DEBUG */ /* Use "if (0)" to make compiler check arguments even if debugging is off */ @@ -434,6 +451,10 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum, #define dbg_force_in_the_gaps() 0 #define dbg_failure_mode 0 -#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__ */ -- cgit v1.2.3