[xfs-masters] [2.6.22.y] [XFS] Make xfsbufd threads freezable

["Olivér Pintér" <oliver.pntr@xxxxxxxxx>]

git commit: 978c7b2ff49597ab76ff7529a933bd366941ac25

<--------------->
        xfs_buf_t       *bp;

        current->flags |= PF_MEMALLOC;

        do {
                if (unlikely(freezing(current))) {
<---------------> in 2.6.22.14 @ fs/xfs/linux-2.6/xfs_buf.c - 1736,5-12
-- 
Thanks,
Oliver