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authorPoul-Henning Kamp <phk@FreeBSD.org>2002-09-20 17:51:00 +0000
committerPoul-Henning Kamp <phk@FreeBSD.org>2002-09-20 17:51:00 +0000
commit6fb3d70418f6085121f617a1662d4d98cbf660d2 (patch)
treedbeca777ba2b4bd9cb736990b6598d6cd54fcfc6 /sys/alpha
parent2e45c1b191f0c363c6805cac8316596fe0c333e0 (diff)
Notes
Diffstat (limited to 'sys/alpha')
-rw-r--r--sys/alpha/alpha/machdep.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/sys/alpha/alpha/machdep.c b/sys/alpha/alpha/machdep.c
index 276fd3c44ade6..db64fd3cf1deb 100644
--- a/sys/alpha/alpha/machdep.c
+++ b/sys/alpha/alpha/machdep.c
@@ -1917,66 +1917,6 @@ Debugger(const char *msg)
}
#endif /* no DDB */
-#include <sys/disklabel.h>
-
-/*
- * Determine the size of the transfer, and make sure it is
- * within the boundaries of the partition. Adjust transfer
- * if needed, and signal errors or early completion.
- */
-int
-bounds_check_with_label(struct bio *bp, struct disklabel *lp, int wlabel)
-{
- struct partition *p = lp->d_partitions + dkpart(bp->bio_dev);
- int labelsect = lp->d_partitions[0].p_offset;
- int maxsz = p->p_size,
- sz = (bp->bio_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT;
-
- /* overwriting disk label ? */
- /* XXX should also protect bootstrap in first 8K */
- if (bp->bio_blkno + p->p_offset <= LABELSECTOR + labelsect &&
-#if LABELSECTOR != 0
- bp->bio_blkno + p->p_offset + sz > LABELSECTOR + labelsect &&
-#endif
- (bp->bio_cmd == BIO_WRITE) && wlabel == 0) {
- bp->bio_error = EROFS;
- goto bad;
- }
-
-#if defined(DOSBBSECTOR) && defined(notyet)
- /* overwriting master boot record? */
- if (bp->bio_blkno + p->p_offset <= DOSBBSECTOR &&
- (bp->bio_cmd == BIO_WRITE) && wlabel == 0) {
- bp->bio_error = EROFS;
- goto bad;
- }
-#endif
-
- /* beyond partition? */
- if (bp->bio_blkno < 0 || bp->bio_blkno + sz > maxsz) {
- /* if exactly at end of disk, return an EOF */
- if (bp->bio_blkno == maxsz) {
- bp->bio_resid = bp->bio_bcount;
- return(0);
- }
- /* or truncate if part of it fits */
- sz = maxsz - bp->bio_blkno;
- if (sz <= 0) {
- bp->bio_error = EINVAL;
- goto bad;
- }
- bp->bio_bcount = sz << DEV_BSHIFT;
- }
-
- bp->bio_pblkno = bp->bio_blkno + p->p_offset;
- return(1);
-
-bad:
- bp->bio_flags |= BIO_ERROR;
- return(-1);
-
-}
-
static int
sysctl_machdep_adjkerntz(SYSCTL_HANDLER_ARGS)
{