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-rw-r--r--fs/ubifs/debug.h22
1 files changed, 12 insertions, 10 deletions
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index 486a8e024fb..e03d5179769 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -79,6 +79,10 @@ typedef int (*dbg_znode_callback)(struct ubifs_info *c,
* @dfs_chk_lprops: debugfs knob to enable UBIFS LEP properties extra checks
* @dfs_chk_fs: debugfs knob to enable UBIFS contents extra checks
* @dfs_tst_rcvry: debugfs knob to enable UBIFS recovery testing
+ * @dfs_ro_error: debugfs knob to switch UBIFS to R/O mode (different to
+ * re-mounting to R/O mode because it does not flush any buffers
+ * and UBIFS just starts returning -EROFS on all write
+ * operations)
*/
struct ubifs_debug_info {
struct ubifs_zbranch old_zroot;
@@ -122,6 +126,7 @@ struct ubifs_debug_info {
struct dentry *dfs_chk_lprops;
struct dentry *dfs_chk_fs;
struct dentry *dfs_tst_rcvry;
+ struct dentry *dfs_ro_error;
};
/**
@@ -145,7 +150,7 @@ struct ubifs_global_debug_info {
#define ubifs_assert(expr) do { \
if (unlikely(!(expr))) { \
- printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
+ pr_crit("UBIFS assert failed in %s at %u (pid %d)\n", \
__func__, __LINE__, current->pid); \
dump_stack(); \
} \
@@ -154,26 +159,23 @@ struct ubifs_global_debug_info {
#define ubifs_assert_cmt_locked(c) do { \
if (unlikely(down_write_trylock(&(c)->commit_sem))) { \
up_write(&(c)->commit_sem); \
- printk(KERN_CRIT "commit lock is not locked!\n"); \
+ pr_crit("commit lock is not locked!\n"); \
ubifs_assert(0); \
} \
} while (0)
#define ubifs_dbg_msg(type, fmt, ...) \
- pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__)
+ pr_debug("UBIFS DBG " type " (pid %d): " fmt "\n", current->pid, \
+ ##__VA_ARGS__)
-#define DBG_KEY_BUF_LEN 32
+#define DBG_KEY_BUF_LEN 48
#define ubifs_dbg_msg_key(type, key, fmt, ...) do { \
char __tmp_key_buf[DBG_KEY_BUF_LEN]; \
- pr_debug("UBIFS DBG " type ": " fmt "%s\n", ##__VA_ARGS__, \
+ pr_debug("UBIFS DBG " type " (pid %d): " fmt "%s\n", current->pid, \
+ ##__VA_ARGS__, \
dbg_snprintf_key(c, key, __tmp_key_buf, DBG_KEY_BUF_LEN)); \
} while (0)
-/* Just a debugging messages not related to any specific UBIFS subsystem */
-#define dbg_msg(fmt, ...) \
- printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", current->pid, \
- __func__, ##__VA_ARGS__)
-
/* General messages */
#define dbg_gen(fmt, ...) ubifs_dbg_msg("gen", fmt, ##__VA_ARGS__)
/* Additional journal messages */