block: add fault injection mechanism for faking request timeouts

[linux-2.6-omap-h63xx.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index c556896abe57e9680295899cb1f681122d260f4e..7d7a31d0ddebabd916412e6132fefb1221f4361a 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -683,10 +683,21 @@ config FAIL_PAGE_ALLOC
 
 config FAIL_MAKE_REQUEST
        bool "Fault-injection capability for disk IO"
-       depends on FAULT_INJECTION
+       depends on FAULT_INJECTION && BLOCK
        help
          Provide fault-injection capability for disk IO.
 
+config FAIL_IO_TIMEOUT
+       bool "Faul-injection capability for faking disk interrupts"
+       depends on FAULT_INJECTION && BLOCK
+       help
+         Provide fault-injection capability on end IO handling. This
+         will make the block layer "forget" an interrupt as configured,
+         thus exercising the error handling.
+
+         Only works with drivers that use the generic timeout handling,
+         for others it wont do anything.
+
 config FAULT_INJECTION_DEBUG_FS
        bool "Debugfs entries for fault-injection capabilities"
        depends on FAULT_INJECTION && SYSFS && DEBUG_FS