diff options
Diffstat (limited to 'sys/dev/vinum/vinumrevive.c')
| -rw-r--r-- | sys/dev/vinum/vinumrevive.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/sys/dev/vinum/vinumrevive.c b/sys/dev/vinum/vinumrevive.c deleted file mode 100644 index 2d93524..0000000 --- a/sys/dev/vinum/vinumrevive.c +++ /dev/null @@ -1,129 +0,0 @@ -/*- - * Copyright (c) 1997, 1998 - * Nan Yang Computer Services Limited. All rights reserved. - * - * This software is distributed under the so-called ``Berkeley - * License'': - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Nan Yang Computer - * Services Limited. - * 4. Neither the name of the Company nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * This software is provided ``as is'', and any express or implied - * warranties, including, but not limited to, the implied warranties of - * merchantability and fitness for a particular purpose are disclaimed. - * In no event shall the company or contributors be liable for any - * direct, indirect, incidental, special, exemplary, or consequential - * damages (including, but not limited to, procurement of substitute - * goods or services; loss of use, data, or profits; or business - * interruption) however caused and on any theory of liability, whether - * in contract, strict liability, or tort (including negligence or - * otherwise) arising in any way out of the use of this software, even if - * advised of the possibility of such damage. - * - * $Id: revive.c,v 1.3 1998/10/30 00:56:38 grog Exp grog $ - */ - -#define REALLYKERNEL -#include "vinumhdr.h" -#include "request.h" - -/* revive a block of a plex. Return an error - * indication. EAGAIN means successful copy, but - * that more blocks remain to be copied. - * XXX We should specify a block size here. At the moment, - * just take a default value. FIXME */ -int -revive_block(int plexno) -{ - struct plex *plex = &PLEX[plexno]; - struct buf *bp; - int error = EAGAIN; - int size; /* size of revive block, bytes */ - int s; /* priority level */ - - if (plex->revive_blocksize == 0) { - if (plex->stripesize != 0) /* we're striped, don't revive more than */ - plex->revive_blocksize = min(DEFAULT_REVIVE_BLOCKSIZE, /* one block at a time */ - plex->stripesize << DEV_BSHIFT); - else - plex->revive_blocksize = DEFAULT_REVIVE_BLOCKSIZE; - } - size = min(plex->revive_blocksize, (plex->length - plex->revived) << DEV_BSHIFT); - - s = splbio(); - /* Get a buffer */ - bp = geteblk(size); - if (bp == NULL) { - splx(s); - return ENOMEM; - } - if (bp->b_qindex != 0) /* on a queue, */ - bremfree(bp); /* remove it */ - splx(s); - - /* Amount to transfer: block size, unless it - * would overlap the end */ - bp->b_bufsize = size; - bp->b_bcount = bp->b_bufsize; - bp->b_resid = 0x0; - bp->b_blkno = plex->revived; /* we've got this far */ - - /* XXX what about reviving anonymous plexes? */ - - /* First, read the data from the volume. We don't - * care which plex, that's bre's job */ - bp->b_dev = VINUMBDEV(plex->volno, 0, 0, VINUM_VOLUME_TYPE); /* create the device number */ - bp->b_flags = B_BUSY | B_READ; - vinumstart(bp, 1); - biowait(bp); - if (bp->b_flags & B_ERROR) - error = bp->b_error; - else - /* Now write to the plex */ - { - s = splbio(); - if (bp->b_qindex != 0) /* on a queue, */ - bremfree(bp); /* remove it */ - splx(s); - bp->b_dev = VINUMBDEV(plex->volno, plex->volplexno, 0, VINUM_PLEX_TYPE); /* create the device number */ - - bp->b_flags = B_BUSY; /* make this a write */ - bp->b_resid = 0x0; - vinumstart(bp, 1); - biowait(bp); - if (bp->b_flags & B_ERROR) - error = bp->b_error; - else { - plex->revived += bp->b_bcount >> DEV_BSHIFT; /* moved this much further down */ - if (plex->revived >= plex->length) { /* finished */ - plex->revived = 0; - plex->state = plex_up; /* do we need to do more? */ - if (plex->volno >= 0) /* we have a volume, */ - set_volume_state(plex->volno, volume_up, 0); - printf("vinum: plex %s is %s\n", plex->name, plex_state(plex->state)); - save_config(); /* and save the updated configuration */ - error = 0; /* we're done */ - } - } - while (plex->waitlist) { /* we have waiting requests */ - launch_requests(plex->waitlist, 1); /* do them now */ - plex->waitlist = plex->waitlist->next; /* and move on to the next */ - } - } - if (bp->b_qindex == 0) /* not on a queue, */ - brelse(bp); /* is this kosher? */ - return error; -} |
