reiserfs: Protect reiserfs_quota_on() with write lock
authorJan Kara <jack@suse.cz>
Tue, 13 Nov 2012 15:34:17 +0000 (16:34 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 26 Nov 2012 20:14:21 +0000 (12:14 -0800)
commiteca9da850bab6a60f07d3069ef69254dc79e10dd
tree396752e6fae6466c510c508c76c46c73d1623515
parent5e6883c0a2d2c59a296864a8db361fca635ffbb2
reiserfs: Protect reiserfs_quota_on() with write lock

commit b9e06ef2e8706fe669b51f4364e3aeed58639eb2 upstream.

In reiserfs_quota_on() we do quite some work - for example unpacking
tail of a quota file. Thus we have to hold write lock until a moment
we call back into the quota code.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/reiserfs/super.c