HAVE_PERCPU_SB    105 fs/xfs/linux-2.6/xfs_linux.h #define HAVE_PERCPU_SB	/* per cpu superblock counters are a 2.6 feature */
HAVE_PERCPU_SB    107 fs/xfs/linux-2.6/xfs_linux.h #undef  HAVE_PERCPU_SB	/* per cpu superblock counters are a 2.6 feature */