[PATCH] fault injection: stacktrace filtering

[linux-2.6-block.git] / Documentation / fault-injection / fault-injection.txt

diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt
index cf075c20eda0fe5fa75af8d2dd2612a5971638b2..6d6e5ac5ea9272449f6a62c25c35c97d7d54dd5f 100644 (file)
--- a/Documentation/fault-injection/fault-injection.txt
+++ b/Documentation/fault-injection/fault-injection.txt
@@ -73,13 +73,17 @@ configuration of fault-injection capabilities.
        Any positive value limits failures to only processes indicated by
        /proc/<pid>/make-it-fail==1.
 
-- /debug/*/address-start:
-- /debug/*/address-end:
+- /debug/*/require-start:
+- /debug/*/require-end:
+- /debug/*/reject-start:
+- /debug/*/reject-end:
 
        specifies the range of virtual addresses tested during
        stacktrace walking.  Failure is injected only if some caller
-       in the walked stacktrace lies within this range.
-       Default is [0,ULONG_MAX) (whole of virtual address space).
+       in the walked stacktrace lies within the required range, and
+       none lies within the rejected range.
+       Default required range is [0,ULONG_MAX) (whole of virtual address space).
+       Default rejected range is [0,0).
 
 - /debug/*/stacktrace-depth: