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(parent: e3d4d56) | patch
quota: Allow negative usage of space and inodes
authorJan Kara <jack@suse.cz>
Wed, 1 Oct 2008 16:21:39 +0000 (18:21 +0200)
committerMark Fasheh <mfasheh@suse.com>
Mon, 5 Jan 2009 16:40:21 +0000 (08:40 -0800)
commitdb49d2df489f727096438706a5428115e84a3f0d
tree4ba9837a5371bb4a84dc27614eaeb4e4772e3eb8tree | snapshot (tar.gz zip)
parente3d4d56b9715e40ded2a84d0d4fa7f3b6c58983ccommit | diff
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>
fs/dquot.c diff | blob | blame | history
include/linux/quota.h diff | blob | blame | history