[PATCH] Introduce mechanism for registering active regions of memory

[linux-2.6] / Documentation / md.txt

diff --git a/Documentation/md.txt b/Documentation/md.txt
index f3d418ba625e7784c7386157790bddeb05188adb..0668f9dc9d29635393e5876b15b1a3bce9abaa13 100644 (file)
--- a/Documentation/md.txt
+++ b/Documentation/md.txt
@@ -309,6 +309,9 @@ Each directory contains:
              faulty   - device has been kicked from active use due to
                          a detected fault
              in_sync  - device is a fully in-sync member of the array
+             writemostly - device will only be subject to read
+                        requests if there are no other options.
+                        This applies only to raid1 arrays.
              spare    - device is working, but not a full member.
                         This includes spares that are in the process
                         of being recoverred to
@@ -316,6 +319,8 @@ Each directory contains:
        This can be written to.
        Writing "faulty"  simulates a failure on the device.
        Writing "remove" removes the device from the array.
+       Writing "writemostly" sets the writemostly flag.
+       Writing "-writemostly" clears the writemostly flag.
 
       errors
        An approximate count of read errors that have been detected on