Freeing vnodes.

[Poul-Henning Kamp]

In message <20050316084106.GC28328 at cirb503493.alcatel.com.au>, Peter Jeremy wri
tes:
>On Tue, 2005-Mar-15 11:11:32 -0800, Matthew Dillon wrote:
>>    syncer:	  I've always wanted to rewrite the syncer to be per-mount
>>		  or per-physical-device so it could sync out to multiple
>>		  physical devices simultaniously. 
>
>My current bitch with syncer is that it can run for up to around 8msec
>(on an AMD XP-1800).  This screws up interrupt latency.

And throw thousands of I/O requests on the queue at once, which screws
up I/O performance.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.