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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-10-17 13:31:39 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-12-03 13:14:33 +0200
commit17c2f9f85c896b48a5d74a9155d99ec5b241a0e6 (patch)
tree9d3e38e673d1d3af650072388a671ec767d3941a /fs/ubifs/debug.h
parent5dd7cbc083f3a91fa7454125fe992826701b67bc (diff)
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UBIFS: separate debugging fields out
Introduce a new data structure which contains all debugging stuff inside. This is cleaner than having debugging stuff directly in 'c'. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs/ubifs/debug.h')
-rw-r--r--fs/ubifs/debug.h51
1 files changed, 43 insertions, 8 deletions
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index 33d6b95..d6ea136 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -25,7 +25,43 @@
#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 ihead_lnum
+ * @new_ihead_offs: used by debugging to check ihead_offs
+ */
+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;
+};
#define ubifs_assert(expr) do { \
if (unlikely(!(expr))) { \
@@ -211,6 +247,9 @@ extern unsigned int ubifs_msg_flags;
extern unsigned int ubifs_chk_flags;
extern unsigned int ubifs_tst_flags;
+int ubifs_debugging_init(struct ubifs_info *c);
+void ubifs_debugging_exit(struct ubifs_info *c);
+
/* Dump functions */
const char *dbg_ntype(int type);
@@ -274,9 +313,6 @@ 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
@@ -320,8 +356,6 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
#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)) \
@@ -360,6 +394,9 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
#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) ({})
@@ -396,8 +433,6 @@ 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 */