log_write          85 defs.h         void            log_write(struct buf*);
log_write          46 fs.c             log_write(bp);
log_write          66 fs.c                   log_write(bp);
log_write          91 fs.c             log_write(bp);
log_write         189 fs.c                 log_write(bp);   // mark it allocated on the disk
log_write         213 fs.c             log_write(bp);
log_write         377 fs.c                 log_write(bp);
log_write         483 fs.c               log_write(bp);