From: Stefan Hajnoczi Date: Wed, 28 Mar 2012 08:32:32 +0000 (+0100) Subject: ext3: update documentation with barrier=1 default X-Git-Tag: Ubuntu-snapdragon-4.4.0-1029.32~13206^2~16 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=ee65244b210e00060c2d4d8eff4ad9b18400f588;p=mirror_ubuntu-zesty-kernel.git 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 Signed-off-by: Stefan Hajnoczi Signed-off-by: Jan Kara --- diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt index b100adc38adb..293855e95000 100644 --- a/Documentation/filesystems/ext3.txt +++ b/Documentation/filesystems/ext3.txt @@ -59,9 +59,9 @@ commit=nrsec (*) Ext3 can be told to sync all its data and metadata 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