From: Alex Elsayed <eternaleye@gmail.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: question regarding caching
Date: Tue, 31 Dec 2013 09:02:09 -0800 [thread overview]
Message-ID: <l9uta5$hou$1@ger.gmane.org> (raw)
In-Reply-To: 6fp9pa-9un.ln1@hurikhan77.spdns.de
Kai Krakow wrote:
> Aastha Mehta <aasthakm@gmail.com> schrieb:
>
>> Rather than a local disk, I have a remote device to which my IO
>> requests are sent and from which the data is fetched. I need certain
>> data to be fetched from the remote device after a remount. But somehow
>> I do not see any request appearing at the device. I even tried to do
>> drop_caches after remounting the file system, but that does not seem
>> to help.
>
> Maybe you or your distribution deployed cachefilesd and uses it for the
> remote fs?
The FS-Cache infrastructure only applies to filesystems which opt in to
using it (NFS, recent work on Ceph, etc), so mounting btrfs over a remote
block device wouldn't use it at all.
next prev parent reply other threads:[~2013-12-31 17:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-31 2:24 question regarding caching Aastha Mehta
2013-12-31 3:15 ` Kai Krakow
2013-12-31 17:02 ` Alex Elsayed [this message]
2013-12-31 18:27 ` Austin S Hemmelgarn
2014-01-03 8:39 ` Sander
2014-01-03 12:12 ` Austin S Hemmelgarn
2014-01-07 14:50 ` Aastha Mehta
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