cvs commit: src/sys/geom/mirror g_mirror.c g_mirror.h
scottl at freebsd.org
Fri Nov 5 13:12:49 GMT 2004
Pawel Jakub Dawidek wrote:
> pjd 2004-11-05 09:05:15 UTC
> FreeBSD src repository
> Modified files:
> sys/geom/mirror g_mirror.c g_mirror.h
> - Fix for good (I hope) force-stopping mirrors and some filure cases
> (e.g. the last good component dies when synchronization is in progress).
> Don't use ->nstart/->nend consumer's fields, as this could be racy,
> because those fields are used in g_down/g_up, use ->index consumer's
> field instead for tracking number of not finished requests.
> Reported by: marcel
> - After 5 seconds of idle time (this should be configurable) mark all
> dirty providers as clean, so when mirror is not used in 5 seconds
> and there will be power failure, no synchronization on boot is needed.
> Idea from: sorry, I can't find who suggested this
Do you check that all outstanding writes are actually completed in this
timeout period, or just that you haven't recieved any new writes in this
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