Messages in this thread | | | Date | Sat, 22 May 2004 01:33:13 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] ext3 barrier bits |
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Arjan van de Ven <arjanv@redhat.com> wrote: > > > > - Does the kernel tell you if your disk doesn't supoprt barriers? ie: > > how does the user know if it's working or not? > > ... and how do you know your disk isn't lying and ignoring the barriers? >
If some benchmark slows down when barriers are enabled then that's a pretty good indicator. I don't know what benchmark that might be though.
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