On Fri, 23 Jul 1999 18:10:02 +0200, Francis GALIEGUE
<desdemona@mail.cpod.fr> said:
> All is in the question. After looking at the sync(2) manpage:
> DESCRIPTION
> sync first commits inodes to buffers, and then buffers to
> disk.
> it just looks that the sync option does the first step but not the second
> (because filesystem panics when I remove a rw,sync mounted floppy).
"mount -o sync" has absolutely nothing to do with the sync(2) system
call. mount -o sync just means that ext2fs directory operations will be
performed synchronously to disk: it doesn't make that guarantee about
data files.
> At first I wanted to port supermount to 2.2, but lacked time (and
> moreover the VFS layer is gonna change - again - in 2.4.x), whereas my
> program works now - except for this.
The stackable filesystem templates:
http://www.cs.columbia.edu/~ezk/research/wip.html)
would be an excellent place to start if you want a supermount for 2.2.
--Stephen
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