Define zero-page offset 0x1e4 as a scratch field, and use it

[linux-2.6-omap-h63xx.git] / Documentation / filesystems / ext3.txt

diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt
index afb1335c05d6fb5db31402dcd33c9a1ff21fb275..4aecc9bdb273a3df8656a2db59899cf52e47de21 100644 (file)
--- a/Documentation/filesystems/ext3.txt
+++ b/Documentation/filesystems/ext3.txt
@@ -113,6 +113,14 @@ noquota
 grpquota
 usrquota
 
+bh             (*)     ext3 associates buffer heads to data pages to
+nobh                   (a) cache disk block mapping information
+                       (b) link pages into transaction to provide
+                           ordering guarantees.
+                       "bh" option forces use of buffer heads.
+                       "nobh" option tries to avoid associating buffer
+                       heads (supported only for "writeback" mode).
+
 
 Specification
 =============