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From: David Howells <dhowells@redhat.com>
To: NeilBrown <neilb@suse.de>
Cc: dhowells@redhat.com, linux-btrfs@vger.kernel.org,
	linux-cachefs@redhat.com, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH/RFC] fscache/cachefiles versus btrfs
Date: Thu, 09 Apr 2015 10:23:08 +0100	[thread overview]
Message-ID: <29536.1428571388@warthog.procyon.org.uk> (raw)
In-Reply-To: <20150409174916.5a2efef5@notabene.brown>

NeilBrown <neilb@suse.de> wrote:

>  Is there a better way?  Could a better way be created?  Maybe
>  SEEK_DATA_RELIABLE ??

fiemap() maybe?

> Also, if you do try to use fscache on btrfs with 3.19, then nothing gets
> cached (as expected) and with a heavy load you can lose a race and get an
> asserting fail in fscache_enqueue_operation

Do you have the patches here applied?

	http://git.kernel.org/cgit/linux/kernel/git/dhowells/linux-fs.git/log/?h=fscache-fixes

David

  reply	other threads:[~2015-04-09  9:23 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-09  7:49 [PATCH/RFC] fscache/cachefiles versus btrfs NeilBrown
2015-04-09  9:23 ` David Howells [this message]
2015-04-09 23:52   ` Dave Chinner
2015-04-10  0:42     ` NeilBrown
2015-04-10  1:08       ` Dave Chinner
2015-04-10 13:28     ` David Howells
2015-04-13 17:30       ` Christoph Hellwig
2015-04-10  1:24   ` NeilBrown
2015-04-20  4:49     ` NeilBrown
2015-04-20  9:27       ` David Howells

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