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Diffstat (limited to 'fs/ubifs/debug.h')
-rw-r--r--fs/ubifs/debug.h178
1 files changed, 64 insertions, 114 deletions
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index e6493cac193d..a811ac4a26bb 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -31,6 +31,8 @@ typedef int (*dbg_znode_callback)(struct ubifs_info *c,
#ifdef CONFIG_UBIFS_FS_DEBUG
+#include <linux/random.h>
+
/**
* ubifs_debug_info - per-FS debugging information.
* @old_zroot: old index root - used by 'dbg_check_old_index()'
@@ -50,13 +52,15 @@ typedef int (*dbg_znode_callback)(struct ubifs_info *c,
* @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()')
+ * @saved_bi: saved budgeting information
+ * @saved_free: saved amount of free space
+ * @saved_idx_gc_cnt: saved value of @c->idx_gc_cnt
*
- * 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
+ * @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 {
struct ubifs_zbranch old_zroot;
@@ -76,7 +80,9 @@ struct ubifs_debug_info {
int new_ihead_offs;
struct ubifs_lp_stats saved_lst;
+ struct ubifs_budg_info saved_bi;
long long saved_free;
+ int saved_idx_gc_cnt;
char dfs_dir_name[100];
struct dentry *dfs_dir;
@@ -101,23 +107,7 @@ struct ubifs_debug_info {
} \
} 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", current->pid, \
- __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_dump_stack() dump_stack()
#define dbg_err(fmt, ...) do { \
spin_lock(&dbg_lock); \
@@ -137,77 +127,40 @@ const char *dbg_key_str1(const struct ubifs_info *c,
#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__)
+#define ubifs_dbg_msg(type, fmt, ...) do { \
+ spin_lock(&dbg_lock); \
+ pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__); \
+ spin_unlock(&dbg_lock); \
+} while (0)
+/* Just a debugging messages not related to any specific UBIFS subsystem */
+#define dbg_msg(fmt, ...) ubifs_dbg_msg("msg", fmt, ##__VA_ARGS__)
+/* General messages */
+#define dbg_gen(fmt, ...) ubifs_dbg_msg("gen", fmt, ##__VA_ARGS__)
/* Additional journal messages */
-#define dbg_jnl(fmt, ...) dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__)
-
+#define dbg_jnl(fmt, ...) ubifs_dbg_msg("jnl", fmt, ##__VA_ARGS__)
/* Additional TNC messages */
-#define dbg_tnc(fmt, ...) dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__)
-
+#define dbg_tnc(fmt, ...) ubifs_dbg_msg("tnc", fmt, ##__VA_ARGS__)
/* Additional lprops messages */
-#define dbg_lp(fmt, ...) dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__)
-
+#define dbg_lp(fmt, ...) ubifs_dbg_msg("lp", fmt, ##__VA_ARGS__)
/* Additional LEB find messages */
-#define dbg_find(fmt, ...) dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__)
-
+#define dbg_find(fmt, ...) ubifs_dbg_msg("find", fmt, ##__VA_ARGS__)
/* Additional mount messages */
-#define dbg_mnt(fmt, ...) dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__)
-
+#define dbg_mnt(fmt, ...) ubifs_dbg_msg("mnt", fmt, ##__VA_ARGS__)
/* Additional I/O messages */
-#define dbg_io(fmt, ...) dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__)
-
+#define dbg_io(fmt, ...) ubifs_dbg_msg("io", fmt, ##__VA_ARGS__)
/* Additional commit messages */
-#define dbg_cmt(fmt, ...) dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__)
-
+#define dbg_cmt(fmt, ...) ubifs_dbg_msg("cmt", fmt, ##__VA_ARGS__)
/* Additional budgeting messages */
-#define dbg_budg(fmt, ...) dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__)
-
+#define dbg_budg(fmt, ...) ubifs_dbg_msg("budg", fmt, ##__VA_ARGS__)
/* Additional log messages */
-#define dbg_log(fmt, ...) dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__)
-
+#define dbg_log(fmt, ...) ubifs_dbg_msg("log", fmt, ##__VA_ARGS__)
/* Additional gc messages */
-#define dbg_gc(fmt, ...) dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__)
-
+#define dbg_gc(fmt, ...) ubifs_dbg_msg("gc", fmt, ##__VA_ARGS__)
/* Additional scan messages */
-#define dbg_scan(fmt, ...) dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__)
-
+#define dbg_scan(fmt, ...) ubifs_dbg_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.
- *
- * 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,
-};
+#define dbg_rcvry(fmt, ...) ubifs_dbg_msg("rcvry", fmt, ##__VA_ARGS__)
/*
* Debugging check flags.
@@ -233,11 +186,9 @@ enum {
/*
* Special testing flags.
*
- * 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,
};
@@ -262,7 +213,7 @@ 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);
+void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi);
void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp);
void dbg_dump_lprops(struct ubifs_info *c);
void dbg_dump_lpt_info(struct ubifs_info *c);
@@ -304,18 +255,16 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head);
int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head);
/* Force the use of in-the-gaps method for testing */
-
-#define dbg_force_in_the_gaps_enabled \
- (ubifs_tst_flags & UBIFS_TST_FORCE_IN_THE_GAPS)
-
+static inline int dbg_force_in_the_gaps_enabled(void)
+{
+ return ubifs_chk_flags & UBIFS_CHK_GEN;
+}
int dbg_force_in_the_gaps(void);
/* Failure mode for recovery testing */
-
#define dbg_failure_mode (ubifs_tst_flags & UBIFS_TST_RCVRY)
#ifndef UBIFS_DBG_PRESERVE_UBI
-
#define ubi_leb_read dbg_leb_read
#define ubi_leb_write dbg_leb_write
#define ubi_leb_change dbg_leb_change
@@ -323,7 +272,6 @@ int dbg_force_in_the_gaps(void);
#define ubi_leb_unmap dbg_leb_unmap
#define ubi_is_mapped dbg_is_mapped
#define ubi_leb_map dbg_leb_map
-
#endif
int dbg_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
@@ -370,33 +318,33 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c);
__func__, __LINE__, current->pid); \
} while (0)
-#define dbg_err(fmt, ...) do { \
- if (0) \
- ubifs_err(fmt, ##__VA_ARGS__); \
+#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", \
- current->pid, __func__, ##__VA_ARGS__); \
+#define ubifs_dbg_msg(fmt, ...) do { \
+ if (0) \
+ pr_debug(fmt "\n", ##__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 dbg_msg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_gen(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_jnl(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_tnc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_lp(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_find(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_mnt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_io(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_cmt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_budg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_log(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_gc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_scan(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_rcvry(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
#define DBGKEY(key) ((char *)(key))
#define DBGKEY1(key) ((char *)(key))
@@ -420,7 +368,9 @@ static inline void
dbg_dump_budget_req(const struct ubifs_budget_req *req) { return; }
static inline void
dbg_dump_lstats(const struct ubifs_lp_stats *lst) { return; }
-static inline void dbg_dump_budg(struct ubifs_info *c) { return; }
+static inline void
+dbg_dump_budg(struct ubifs_info *c,
+ const struct ubifs_budg_info *bi) { return; }
static inline void dbg_dump_lprop(const struct ubifs_info *c,
const struct ubifs_lprops *lp) { return; }
static inline void dbg_dump_lprops(struct ubifs_info *c) { return; }
@@ -482,8 +432,8 @@ dbg_check_nondata_nodes_order(struct ubifs_info *c,
struct list_head *head) { return 0; }
static inline int dbg_force_in_the_gaps(void) { return 0; }
-#define dbg_force_in_the_gaps_enabled 0
-#define dbg_failure_mode 0
+#define dbg_force_in_the_gaps_enabled() 0
+#define dbg_failure_mode 0
static inline int dbg_debugfs_init(void) { return 0; }
static inline void dbg_debugfs_exit(void) { return; }