In the last episode (Dec 06), Kirk McKusick said:
> The main reason for not using soft updates on the root filesystem was
> because of the delay between removing files and having the space show
> up. The result was that world installs on the root filesystem often
> failed if the root was nearly full (as is so often the case). That
> problem has now been fixed in 5.0 with a callback to soft updates if
> a filesystem full error is about to be generated. When called back,
> soft updates expedites the freeing of space so that the new
> allocation can succeed. So, the primary reason for not using soft
> updates on the root is now fixed. If however, mainline editors are
> not doing fsync's, then there is still a good reason not to use soft
> updates on the root filesystem.
/usr/bin/install does not fsync. One of my three foot-shootings
involved installing a new /sbin/init and hitting the power switch.
--
Dan Nelson
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