Module Parameters for Debugging
===============================
-When UBIFS has been compiled with debugging enabled, there are 3 module
+When UBIFS has been compiled with debugging enabled, there are 2 module
parameters that are available to control aspects of testing and debugging.
-The parameters are unsigned integers where each bit controls an option.
-The parameters are:
-
-debug_msgs Selects which debug messages to display, as follows:
-
- Message Type Flag value
-
- General messages 1
- Journal messages 2
- Mount messages 4
- Commit messages 8
- LEB search messages 16
- Budgeting messages 32
- Garbage collection messages 64
- Tree Node Cache (TNC) messages 128
- LEB properties (lprops) messages 256
- Input/output messages 512
- Log messages 1024
- Scan messages 2048
- Recovery messages 4096
debug_chks Selects extra checks that UBIFS can do while running:
Failure mode for recovery testing 4
-For example, set debug_msgs to 5 to display General messages and Mount
-messages.
+For example, set debug_chks to 3 to enable general and TNC checks.
References