Re: Mounting rw is slower than ro?

H. Peter Anvin (hpa@transmeta.com)
6 Jun 1999 22:04:33 GMT


Followup to: <375A8442.364BEF88@student.anu.edu.au>
By author: Martijn van Oosterhout <s3100411@student.anu.edu.au>
In newsgroup: linux.dev.kernel
>
> I've been wondering about this for a while now.
>
> Why is it that mounting a 5Gig partition read-only
> is instanteous, but mounting read-write take
> forever (well, a while anyway)
>
> Please CC any replies... The HTTP Archive is a
> bit unreliable :)
>

Simple: you have to be a lot more conservative when you're about to
*modify* something, as opposed to just *examine* it. The latter can't
do any harm to your data, even if the filesystem is corrupted
beforehand. The former, however, could make some corruption a lot
worse.

-hpa

-- 
"The user's computer downloads the ActiveX code and simulates a 'Blue
Screen' crash, a generally benign event most users are familiar with
and that would not necessarily arouse suspicions."
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