From: Jan Kara <jack@suse.cz>
Date: Wed, 1 Oct 2008 16:21:39 +0000 (+0200)
Subject: quota: Allow negative usage of space and inodes
X-Git-Tag: v2.6.29-rc1~505^2~79
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db49d2df489f727096438706a5428115e84a3f0d;p=pandora-kernel.git

quota: Allow negative usage of space and inodes

For clustered filesystems, it can happen that space / inode usage goes
negative temporarily (because some node is allocating another node
is freeing and they are not completely in sync). So let quota code
allow this and change qsize_t so a signed type so that we don't
underflow the variables.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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