/* lfibput.c - lfibput */

#include 

/*------------------------------------------------------------------------
 *  lfibput  -  Write an index block to disk given its ID (assumes
 *                      mutex is held)
 *------------------------------------------------------------------------
 */
status  lfibput(
          did32         diskdev,        /* ID of disk device            */
          ibid32        inum,           /* ID of index block to write   */
          struct lfiblk *ibuff          /* Buffer holding the index blk */
        )
{
        dbid32  diskblock;              /* ID of disk sector (block)    */
        char    *from, *to;             /* Pointers used in copying     */
        int32   i;                      /* Loop index used during copy  */
        char    dbuff[LF_BLKSIZ];       /* Temp. buffer to hold d-block */

        /* Compute disk block number and offset of index block */

        diskblock = ib2sect(inum);
        to = dbuff + ib2disp(inum);
        from = (char *)ibuff;

        /* Read disk block */

        if (read(diskdev, dbuff, diskblock) == SYSERR) {
                return SYSERR;
        }

        /* Copy index block into place */

        for (i=0 ; i