Date: Tue, 3 Jul 2007 14:39:06 -0400 From: John Baldwin <jhb@freebsd.org> To: src-committers@freebsd.org Cc: cvs-src@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/nfsclient nfs_bio.c Message-ID: <200707031439.07146.jhb@freebsd.org> In-Reply-To: <200707031830.l63IUusN001483@repoman.freebsd.org> References: <200707031830.l63IUusN001483@repoman.freebsd.org>
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On Tuesday 03 July 2007 02:30:56 pm John Baldwin wrote:
> jhb 2007-07-03 18:30:55 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/nfsclient nfs_bio.c
> Log:
> Fix up NFS client write error handling. Errors are split into
> recoverable and unrecoverable. For the former, we redirty the
> buffer and hang onto it for future retries. For the latter (eg.
> ESTALE), we discard the buffer and return the error back to the
> user on the next syscall. This fixes a number of vfs panics and
> fixes having a large number of dirty buffers (that cannot be
> written out and reclaimed) from hanging around. Thanks to ups@
> for discussions on this issue.
>
> Reported by: kris, Kai, others
> Approved by: re (kensmith)
Oops, forgot:
Submitted by: mohans
MFC after: 1 week
--
John Baldwin
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