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From: Andrew Morton <akpm@linux-foundation.org>
To: Suresh Jayaraman <sjayaraman@suse.com>
Cc: David Howells <dhowells@redhat.com>,
	Justin Lecher <jlec@gentoo.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-cachefs@redhat.com
Subject: Re: [PATCH] [RESEND] fs: cachefiles: Add support for large files in filesystem caching
Date: Tue, 19 Jun 2012 00:52:14 -0700	[thread overview]
Message-ID: <20120619005214.989e90a8.akpm@linux-foundation.org> (raw)
In-Reply-To: <4FE00DBF.7080405@suse.com>

On Tue, 19 Jun 2012 10:57:27 +0530 Suresh Jayaraman <sjayaraman@suse.com> wrote:

> > How extensively was this change tested?  Please describe the testing
> > which was performed?
> > 
> 
> The original patch was tested by mounting a NFS share with fscache
> option enabled, do a md5sum on a nfs file larger than 2GB and ensure
> that the file is getting cached by fscache (watch cache size growing)
> on x86_64. 

Well it will need a lot more coverage testing than that.  truncate? 
expanding truncate?  write, lseek, pwrite, pread(), mmap(MAP_SHARED),
behavior at the new max file size (what is that?), etc.


  reply	other threads:[~2012-06-19  7:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-11  5:38 [PATCH] [RESEND] fs: cachefiles: Add support for large files in filesystem caching Suresh Jayaraman
2012-06-18 23:04 ` Andrew Morton
2012-06-19  5:27   ` Suresh Jayaraman
2012-06-19  7:52     ` Andrew Morton [this message]
2012-06-19  7:58       ` justin
2012-06-20 13:35       ` Suresh Jayaraman
2012-06-20 19:45         ` Justin

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