ext3: update documentation with barrier=1 default
Commit 00eacd6 ("ext3: make ext3 mount default to barrier=1") changed
the default barrier mount option for ext3. The documentation needs to
be updated, so this patch does that.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt
index b100adc..293855e 100644
--- a/Documentation/filesystems/ext3.txt
+++ b/Documentation/filesystems/ext3.txt
@@ -59,9 +59,9 @@
Setting it to very large values will improve
performance.
-barrier=<0(*)|1> This enables/disables the use of write barriers in
-barrier the jbd code. barrier=0 disables, barrier=1 enables.
-nobarrier (*) This also requires an IO stack which can support
+barrier=<0|1(*)> This enables/disables the use of write barriers in
+barrier (*) the jbd code. barrier=0 disables, barrier=1 enables.
+nobarrier This also requires an IO stack which can support
barriers, and if jbd gets an error on a barrier
write, it will disable again with a warning.
Write barriers enforce proper on-disk ordering