From: Artem Bityutskiy <dedekind1@gmail.com>
To: Andreas Dilger <adilger@dilger.ca>
Cc: David Sterba <dsterba@suse.cz>,
"markus.heininger@online.de" <markus.heininger@online.de>,
hujianyang <hujianyang@huawei.com>,
linux-mtd@lists.infradead.org,
Linux Filesystem Development List <linux-fsdevel@vger.kernel.org>
Subject: Re: UBIFS: Is it possible to get the compressed size of a file?
Date: Tue, 03 Feb 2015 11:07:14 +0200 [thread overview]
Message-ID: <1422954434.8637.372.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <7B8DF06B-EBC8-4C85-AEEA-C2C6A52B8789@dilger.ca>
On Mon, 2015-02-02 at 22:45 -0700, Andreas Dilger wrote:
> I think FIEMAP would be a good userspace API to get this kind of
> low-level allocation information about the compressed size of data.
> For most files it would probably only need a single fiemap_extent
> to return the allocation data.
Thanks Andreas,
indeed FIEMAP sounds like a good answer to the problem.
Artem.
next prev parent reply other threads:[~2015-02-03 9:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <trinity-a1228aa8-8eaa-4950-9c14-5d6b6db5f3d7-1418371801058@3capp-1and1-bs02>
[not found] ` <54912109.50505@huawei.com>
[not found] ` <trinity-03861656-4f4e-47fd-bcc5-aa493202c0bd-1418900934280@3capp-1and1-bs05>
2015-02-02 9:33 ` UBIFS: Is it possible to get the compressed size of a file? Artem Bityutskiy
2015-02-03 5:45 ` Andreas Dilger
2015-02-03 9:07 ` Artem Bityutskiy [this message]
2015-02-28 7:31 ` hujianyang
2015-03-26 14:19 ` David Sterba
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