From: NeilBrown <neilb@suse.de>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: Small O_SYNC writes are no longer NFS_DATA_SYNC
Date: Fri, 18 Mar 2011 13:12:14 +1100 [thread overview]
Message-ID: <20110318131214.0e2c840a@notabene.brown> (raw)
In-Reply-To: <1300412966.9671.9.camel@lade.trondhjem.org>
On Thu, 17 Mar 2011 21:49:26 -0400 Trond Myklebust
<Trond.Myklebust@netapp.com> wrote:
> However we could adopt the Solaris convention of always starting
> writebacks with a FILE_SYNC, and then falling back to UNSTABLE for the
> second rpc call and all subsequent calls...
>
That approach certainly has merit.
However, as we know from the wbc info whether the write is small and sync -
which is the only case where I think a STABLE write is needed - I cannot see
why you don't want to just use that information to guide the choice of
'stable' or not ???
NeilBrown
next prev parent reply other threads:[~2011-03-18 2:12 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-16 6:15 Small O_SYNC writes are no longer NFS_DATA_SYNC NeilBrown
2011-02-16 13:11 ` Jeff Layton
2011-02-16 20:26 ` NeilBrown
2011-02-16 20:50 ` Jeff Layton
2011-02-16 21:00 ` NeilBrown
2011-03-17 23:53 ` Trond Myklebust
2011-03-18 1:04 ` NeilBrown
2011-03-18 1:49 ` Trond Myklebust
2011-03-18 2:12 ` NeilBrown [this message]
2011-03-18 2:25 ` Trond Myklebust
2011-03-18 3:52 ` NeilBrown
2011-03-21 21:02 ` Trond Myklebust
2011-03-21 22:17 ` NeilBrown
2011-03-21 22:54 ` Trond Myklebust
2011-03-21 23:47 ` NeilBrown
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