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SubjectRe: 100% sync block device on 2.2 ?
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> i wrote a block driver for a custom battery-backup'ed sram-isa card
> which is io mapped. (kernel is 2.2.16, switch to 2.4.x impossible)
> i have a minix fs on it.
> everything works fine, except that i need my sram-disk _absolutely_
> in sync. i mounted -o sync, but the kernel does'nt seem to sync
> immediately.
> so after any reboot my data is corrupt, which is a problem.

You cannot achieve what you are trying to do without a journalling or
logging file system. JFFS and ext3 are available as 2.4 patches
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