tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: Fstrans rewrite without rwlock



J. Hannken-Illjes <hannken%eis.cs.tu-bs.de@localhost> writes:

> Attached is a complete rewrite based on passive serialization and
> condvars.  The fast paths (fstrans_start/fstrans_done on a file system
> not suspended or suspending and fscow_run) now run without locks or
> other atomic operations.  Suspension and cow handler insertion and
> removal is done with mutex / condvars.

How many ports have you run the regression test on with the change?
(Presumably there are no new failures.)

Attachment: pgp2mBzoAEQC4.pgp
Description: PGP signature



Home | Main Index | Thread Index | Old Index