From: Daniel Drake <dsd@laptop.org>
Date: Tue, 10 Apr 2012 21:22:35 +0000 (+0100)
Subject: JFFS2: Add parameter to reserve disk space for root
X-Git-Tag: v3.5-rc1~8^2~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8da8ba2ea6ad52ea8558384f38586b0c1a516e9d;p=pandora-kernel.git

JFFS2: Add parameter to reserve disk space for root

Add a new rp_size= parameter which creates a "reserved pool" of disk
space which can only be used by root. Other users are not permitted
to write to disk when the available space is less than the pool size.

Based on original code by Artem Bityutskiy in
https://dev.laptop.org/ticket/5317

[dwmw2: use capable(CAP_SYS_RESOURCE) not uid/gid check, fix debug prints]
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---

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