Re: cvs commit: src/sys/fs/tmpfs tmpfs.h tmpfs_subr.c

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From
LI Xin <delphij@delphij.net>
Date
3 Aug 2007 07:50:06
Subject
Re: cvs commit: src/sys/fs/tmpfs tmpfs.h tmpfs_subr.c
Message-ID
46B2DE05.7060100@delphij.net


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Dmitry Morozovsky wrote:
> Dear Xin,
>
> On Fri, 3 Aug 2007, LI Xin wrote:
>
> LX> > Log:
> LX> > MFp4 - Refine locking to eliminate some potential race/panics:
> LX> >
> LX> > - Copy before testing a pointer. This closes a race window.
> LX> > - Use msleep with the node interlock instead of tsleep.
> LX> > - Do proper locking around access to tn_vpstate.
> LX> > - Assert vnode VOP lock for dir_{atta,de}tach to capture
> LX> > inconsistent locking.
> LX> >
> LX> > Suggested by: kib
> LX> > Submitted by: delphij
> LX> > Reviewed by: Howard Su
> LX> > Approved by: re (tmpfs blanket)
> LX>
> LX> Should have mentioned that this is done in response of pho@'s stress
> LX> test. Thanks goes to him for all these hard work!
>
> Should it fix panics I reported to you during last couple of days?

I just noticed your e-mail. This sounds like a different problem. I'm
working on another problem that kib@ has mentioned to me.

Cheers,
--
Xin LI <delphij@delphij.net> http://www.delphij.net/
FreeBSD - The Power to Serve!



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