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From:   Christian Schoenebeck <linux_oss@crudebyte.com>
To:     asmadeus@codewreck.org, David Howells <dhowells@redhat.com>
Cc:     dhowells@redhat.com, David Kahurani <k.kahurani@gmail.com>,
        davem@davemloft.net, ericvh@gmail.com, kuba@kernel.org,
        linux-kernel@vger.kernel.org, lucho@ionkov.net,
        netdev@vger.kernel.org, v9fs-developer@lists.sourceforge.net,
        Greg Kurz <groug@kaod.org>
Subject: Re: 9p EBADF with cache enabled (Was: 9p fs-cache tests/benchmark (was: 9p
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Date:   Thu, 21 Apr 2022 13:36:14 +0200
Message-ID: <1817268.LulUJvKFVv@silver>
In-Reply-To: <1050016.1650537372@warthog.procyon.org.uk>
References: <YlySEa6QGmIHlrdG@codewreck.org> <YlyFEuTY7tASl8aY@codewreck.org>
 <1050016.1650537372@warthog.procyon.org.uk>
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On Donnerstag, 21. April 2022 12:36:12 CEST David Howells wrote:
> asmadeus@codewreck.org wrote:
> > 	int fd = open(argv[1], O_WRONLY|O_APPEND);
> > 	if (fd < 0)
> > 	
> > 		return 1;
> > 	
> > 	if (write(fd, "test\n", 5) < 0)
> 
> I think I need to implement the ability to store writes in non-uptodate
> pages without needing to read from the server as NFS does.  This may fix
> the performance drop also.
> 
> David

I hope this does not sound harsh, wouldn't it make sense to revert 
eb497943fa215897f2f60fd28aa6fe52da27ca6c for now until those issues are sorted 
out? My concern is that it might take a long time to address them, and these 
are not minor issues.

Best regards,
Christian Schoenebeck