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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2011-06-01 17:43:43 +0300
committerArtem Bityutskiy <dedekind1@gmail.com>2011-07-04 10:54:32 +0300
commite7717060ddd509e6c305ad7bf5a090a95e91c8cf (patch)
tree03869be56858dfc5226a94129d528714838e4dc0 /fs/ubifs/debug.h
parent28488fc28aa39815b78c2cbeaaf25f33fef92ce8 (diff)
downloadop-kernel-dev-e7717060ddd509e6c305ad7bf5a090a95e91c8cf.zip
op-kernel-dev-e7717060ddd509e6c305ad7bf5a090a95e91c8cf.tar.gz
UBIFS: add global debugfs knobs
Now we have per-FS (superblock) debugfs knobs, but they have one drawback - you have to first mount the FS and only after this you can switch self-checks on/off. But often we want to have the checks enabled during the mount. Introduce global debugging knobs for this purpose. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs/ubifs/debug.h')
-rw-r--r--fs/ubifs/debug.h35
1 files changed, 28 insertions, 7 deletions
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index 8c3bdd3..43ec5d1 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -126,6 +126,25 @@ struct ubifs_debug_info {
struct dentry *dfs_tst_rcvry;
};
+/**
+ * ubifs_global_debug_info - global (not per-FS) UBIFS debugging information.
+ *
+ * @chk_gen: if general extra checks are enabled
+ * @chk_index: if index xtra checks are enabled
+ * @chk_orph: if orphans extra checks are enabled
+ * @chk_lprops: if lprops extra checks are enabled
+ * @chk_fs: if UBIFS contents extra checks are enabled
+ * @tst_rcvry: if UBIFS recovery testing mode enabled
+ */
+struct ubifs_global_debug_info {
+ unsigned int chk_gen:1;
+ unsigned int chk_index:1;
+ unsigned int chk_orph:1;
+ unsigned int chk_lprops:1;
+ unsigned int chk_fs:1;
+ unsigned int tst_rcvry:1;
+};
+
#define ubifs_assert(expr) do { \
if (unlikely(!(expr))) { \
printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
@@ -162,6 +181,8 @@ 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))
+extern spinlock_t dbg_lock;
+
#define ubifs_dbg_msg(type, fmt, ...) do { \
spin_lock(&dbg_lock); \
pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__); \
@@ -197,31 +218,31 @@ const char *dbg_key_str1(const struct ubifs_info *c,
/* Additional recovery messages */
#define dbg_rcvry(fmt, ...) ubifs_dbg_msg("rcvry", fmt, ##__VA_ARGS__)
-extern spinlock_t dbg_lock;
+extern struct ubifs_global_debug_info ubifs_dbg;
static inline int dbg_is_chk_gen(const struct ubifs_info *c)
{
- return c->dbg->chk_gen;
+ return !!(ubifs_dbg.chk_gen || c->dbg->chk_gen);
}
static inline int dbg_is_chk_index(const struct ubifs_info *c)
{
- return c->dbg->chk_index;
+ return !!(ubifs_dbg.chk_index || c->dbg->chk_index);
}
static inline int dbg_is_chk_orph(const struct ubifs_info *c)
{
- return c->dbg->chk_orph;
+ return !!(ubifs_dbg.chk_orph || c->dbg->chk_orph);
}
static inline int dbg_is_chk_lprops(const struct ubifs_info *c)
{
- return c->dbg->chk_lprops;
+ return !!(ubifs_dbg.chk_lprops || c->dbg->chk_lprops);
}
static inline int dbg_is_chk_fs(const struct ubifs_info *c)
{
- return c->dbg->chk_fs;
+ return !!(ubifs_dbg.chk_fs || c->dbg->chk_fs);
}
static inline int dbg_is_tst_rcvry(const struct ubifs_info *c)
{
- return c->dbg->tst_rcvry;
+ return !!(ubifs_dbg.tst_rcvry || c->dbg->tst_rcvry);
}
int ubifs_debugging_init(struct ubifs_info *c);
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