Messages in this thread | | | Subject | Re: [PATCH] ext3 barrier bits | From | Chris Mason <> | Date | Sat, 22 May 2004 15:31:33 -0400 |
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On Sat, 2004-05-22 at 04:11, Andrew Morton wrote: > May as well cc lkml on this. It's to do with the disk write barrier > implementation.
> - Does reiserfs support `mount -o remount,barrier=flush'? and "=none"? > Yes...there are no messages to clue the user in, but it does happen.
> - How do I test the "oh, barriers aren't working" fallback code in ext3? > Jens suggested mounting with barriers on for scsi, that's what I've been doing. I also did some crash tests on scsi to make sure the io really is happening when barriers fail.
-chris
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