Commit 21848d08 authored by Stefan Hajnoczi's avatar Stefan Hajnoczi Committed by Jiri Kosina

doc: ext3: update documentation with barrier=1 default

Commit 00eacd66 ("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.
Signed-off-by: default avatarStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: default avatarRob Landley <rob@landley.net>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 76dab97c
...@@ -59,9 +59,9 @@ commit=nrsec (*) Ext3 can be told to sync all its data and metadata ...@@ -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 Setting it to very large values will improve
performance. performance.
barrier=<0(*)|1> This enables/disables the use of write barriers in barrier=<0|1(*)> This enables/disables the use of write barriers in
barrier the jbd code. barrier=0 disables, barrier=1 enables. barrier (*) the jbd code. barrier=0 disables, barrier=1 enables.
nobarrier (*) This also requires an IO stack which can support nobarrier This also requires an IO stack which can support
barriers, and if jbd gets an error on a barrier barriers, and if jbd gets an error on a barrier
write, it will disable again with a warning. write, it will disable again with a warning.
Write barriers enforce proper on-disk ordering Write barriers enforce proper on-disk ordering
......
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