HAMMER_VOL_BUF_SIZE
off_end = off + HAMMER_VOL_BUF_SIZE(volume->ondisk);
undo_limit = HAMMER_VOL_BUF_SIZE(ondisk) / 1000;
vol_buf_size = HAMMER_VOL_BUF_SIZE(ondisk);
HAMMER_VOL_BUF_SIZE(ondisk));
vol_buf_size = HAMMER_VOL_BUF_SIZE(ondisk);
vol_buf_size = HAMMER_VOL_BUF_SIZE(ondisk);
if (HAMMER_VOL_BUF_SIZE(ondisk) < 0) { /* int64_t */
vol_buf_size = HAMMER_VOL_BUF_SIZE(ondisk);