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SubjectRe: [PATCH] SMP race in ext2 - metadata corruption.
> > discussion in itself), and there really are no valid uses for opening a
> > block device that is already mounted. More importantly, I don't think
> > anybody actually does.
> Actually I did. I might do it again :) The point was to get the kernel to
> cache certain blocks in the RAM.

Ditto for some CD based stuff. You burn the important binaries to the front
of the CD, then at boot dd 64Mb to /dev/null to prime the libraries and
avoid a lot of seeking during boot up from the CD-ROM.

However I could do that from an initrd before mounting


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