Return to dsseek.c CVS log

Up to [XINU] / xinu / sys / LSI

Annotation of xinu/sys/LSI/dsseek.c, revision 1.1.1.1

1.1       root        1: /* dsseek.c - dsseek */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <proc.h>
                      6: #include <disk.h>
                      7: 
                      8: /*------------------------------------------------------------------------
                      9:  *  dsseek  --  schedule a request to move the disk arm
                     10:  *------------------------------------------------------------------------
                     11:  */
                     12: dsseek(devptr, block)
                     13:        struct  devsw   *devptr;
                     14:        DBADDR  block;
                     15: {
                     16:        struct  dreq    *drptr;
                     17:        char    ps;
                     18: 
                     19:        disable(ps);
                     20:        drptr = (struct dreq *) getbuf(dskrbp);
                     21:        drptr->drdba = block;
                     22:        drptr->drpid = currpid;
                     23:        drptr->drbuff = NULL;
                     24:        drptr->drop = DSEEK;
                     25: 
                     26:        /* enqueued with normal policy like other read/write requests */
                     27: 
                     28:        dskenq(drptr, devptr->dvioblk);
                     29:        restore(ps);
                     30:        return(OK);
                     31: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.