HFSPLUS_SB_WRITEBACKUP 131 fs/hfsplus/super.c set_bit(HFSPLUS_SB_WRITEBACKUP, &sbi->flags); HFSPLUS_SB_WRITEBACKUP 217 fs/hfsplus/super.c if (test_and_clear_bit(HFSPLUS_SB_WRITEBACKUP, &sbi->flags)) {