Remove old ioctl use and support, once and for all.

4 files changed, 20 insertions, 150 deletions

diff --git a/sbin/fsck_ffs/setup.c b/sbin/fsck_ffs/setup.c
index 85e9548..494e503 100644
--- a/sbin/fsck_ffs/setup.c
+++ b/sbin/fsck_ffs/setup.c
@@ -59,8 +59,6 @@ struct bufarea asblk;
 #define POWEROF2(num)	(((num) & ((num) - 1)) == 0)
 
 static void badsb(int listerr, const char *s);
-static int calcsb(char *dev, int devfd, struct fs *fs);
-static struct disklabel *getdisklabel(char *s, int fd);
 
 /*
  * Read in a superblock finding an alternate if necessary.
@@ -178,7 +176,7 @@ setup(char *dev)
 	 */
 	if (readsb(1) == 0) {
 		skipclean = 0;
-		if (bflag || preen || calcsb(dev, fsreadfd, &proto) == 0)
+		if (bflag || preen)
 			return(0);
 		if (reply("LOOK FOR ALTERNATE SUPERBLOCKS") == 0)
 			return (0);
@@ -437,7 +435,6 @@ badsb(int listerr, const char *s)
 void
 sblock_init(void)
 {
-	struct disklabel *lp;
 
 	fswritefd = -1;
 	fsmodified = 0;
@@ -448,89 +445,5 @@ sblock_init(void)
 	asblk.b_un.b_buf = Malloc(SBLOCKSIZE);
 	if (sblk.b_un.b_buf == NULL || asblk.b_un.b_buf == NULL)
 		errx(EEXIT, "cannot allocate space for superblock");
-	if ((lp = getdisklabel(NULL, fsreadfd)))
-		real_dev_bsize = dev_bsize = secsize = lp->d_secsize;
-	else
-		dev_bsize = secsize = DEV_BSIZE;
-}
-
-/*
- * Calculate a prototype superblock based on information in the disk label.
- * When done the cgsblock macro can be calculated and the fs_ncg field
- * can be used. Do NOT attempt to use other macros without verifying that
- * their needed information is available!
- */
-static int
-calcsb(char *dev, int devfd, struct fs *fs)
-{
-	struct disklabel *lp;
-	struct partition *pp;
-	char *cp;
-	int i, nspf;
-
-	cp = strchr(dev, '\0') - 1;
-	if (cp == (char *)-1 || ((*cp < 'a' || *cp > 'h') && !isdigit(*cp))) {
-		pfatal("%s: CANNOT FIGURE OUT FILE SYSTEM PARTITION\n", dev);
-		return (0);
-	}
-	lp = getdisklabel(dev, devfd);
-	if (isdigit(*cp))
-		pp = &lp->d_partitions[0];
-	else
-		pp = &lp->d_partitions[*cp - 'a'];
-	if (pp->p_fstype != FS_BSDFFS) {
-		pfatal("%s: NOT LABELED AS A BSD FILE SYSTEM (%s)\n",
-			dev, pp->p_fstype < FSMAXTYPES ?
-			fstypenames[pp->p_fstype] : "unknown");
-		return (0);
-	}
-	if (pp->p_fsize == 0 || pp->p_frag == 0 ||
-	    pp->p_cpg == 0 || pp->p_size == 0) {
-		pfatal("%s: %s: type %s fsize %d, frag %d, cpg %d, size %d\n",
-		    dev, "INCOMPLETE LABEL", fstypenames[pp->p_fstype],
-		    pp->p_fsize, pp->p_frag, pp->p_cpg, pp->p_size);
-		return (0);
-	}
-	memset(fs, 0, sizeof(struct fs));
-	fs->fs_fsize = pp->p_fsize;
-	fs->fs_frag = pp->p_frag;
-	fs->fs_size = pp->p_size;
-	fs->fs_sblkno = roundup(
-		howmany(lp->d_bbsize + lp->d_sbsize, fs->fs_fsize),
-		fs->fs_frag);
-	nspf = fs->fs_fsize / lp->d_secsize;
-	for (fs->fs_fsbtodb = 0, i = nspf; i > 1; i >>= 1)
-		fs->fs_fsbtodb++;
-	dev_bsize = lp->d_secsize;
-	if (fs->fs_magic == FS_UFS2_MAGIC) {
-		fs->fs_fpg = pp->p_cpg;
-		fs->fs_ncg = howmany(fs->fs_size, fs->fs_fpg);
-	} else /* if (fs->fs_magic == FS_UFS1_MAGIC) */ {
-		fs->fs_old_cpg = pp->p_cpg;
-		fs->fs_old_cgmask = 0xffffffff;
-		for (i = lp->d_ntracks; i > 1; i >>= 1)
-			fs->fs_old_cgmask <<= 1;
-		if (!POWEROF2(lp->d_ntracks))
-			fs->fs_old_cgmask <<= 1;
-		fs->fs_old_cgoffset = roundup(howmany(lp->d_nsectors, nspf),
-		    fs->fs_frag);
-		fs->fs_fpg = (fs->fs_old_cpg * lp->d_secpercyl) / nspf;
-		fs->fs_ncg = howmany(fs->fs_size / lp->d_secpercyl,
-		    fs->fs_old_cpg);
-	}
-	return (1);
-}
-
-static struct disklabel *
-getdisklabel(char *s, int fd)
-{
-	static struct disklabel lab;
-
-	if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) {
-		if (s == NULL)
-			return ((struct disklabel *)NULL);
-		pwarn("ioctl (GCINFO): %s\n", strerror(errno));
-		errx(EEXIT, "%s: can't read disk label", s);
-	}
-	return (&lab);
+	dev_bsize = secsize = DEV_BSIZE;
 }
diff --git a/sbin/fsirand/fsirand.c b/sbin/fsirand/fsirand.c
index c373c5b..0fea239 100644
--- a/sbin/fsirand/fsirand.c
+++ b/sbin/fsirand/fsirand.c
@@ -36,7 +36,6 @@ static const char rcsid[] =
 #endif /* not lint */
 
 #include <sys/param.h>
-#include <sys/disklabel.h>
 #include <sys/resource.h>
 
 #include <ufs/ufs/dinode.h>
@@ -120,22 +119,12 @@ fsirand(char *device)
 	char sbuf[SBLOCKSIZE], sbuftmp[SBLOCKSIZE];
 	int i, devfd, n, cg;
 	u_int32_t bsize = DEV_BSIZE;
-	struct disklabel label;
 
 	if ((devfd = open(device, printonly ? O_RDONLY : O_RDWR)) < 0) {
 		warn("can't open %s", device);
 		return (1);
 	}
 
-	/* Get block size (usually 512) from disklabel if possible */
-	if (!ignorelabel) {
-		if (ioctl(devfd, DIOCGDINFO, &label) < 0)
-			warn("can't read disklabel, using sector size of %d",
-			    bsize);
-		else
-			bsize = label.d_secsize;
-	}
-
 	dp1 = NULL;
 	dp2 = NULL;
 
diff --git a/sbin/newfs/newfs.c b/sbin/newfs/newfs.c
index 59b7e61..658bd42 100644
--- a/sbin/newfs/newfs.c
+++ b/sbin/newfs/newfs.c
@@ -117,11 +117,9 @@ static u_char   bootarea[BBSIZE];
 static int	is_file;		/* work on a file, not a device */
 static char	*dkname;
 static char	*disktype;
-static int	unlabeled;
 
 static void getfssize(intmax_t *, const char *p, intmax_t, intmax_t);
 static struct disklabel *getdisklabel(char *s);
-static void rewritelabel(char *s, struct disklabel *lp);
 static void usage(void);
 static int expand_number_int(const char *buf, int *num);
 
@@ -402,12 +400,6 @@ main(int argc, char *argv[])
 			pp->p_size *= secperblk;
 	}
 	mkfs(pp, special);
-	if (!unlabeled) {
-		if (realsectorsize != DEV_BSIZE)
-			pp->p_size /= realsectorsize / DEV_BSIZE;
-		if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition)))
-			rewritelabel(special, lp);
-	}
 	ufs_disk_close(&disk);
 	if (!jflag)
 		exit(0);
@@ -451,9 +443,6 @@ getdisklabel(char *s)
 		return &lab;
 	}
 
-	if (ioctl(disk.d_fd, DIOCGDINFO, (char *)&lab) != -1)
-		return (&lab);
-	unlabeled++;
 	if (disktype) {
 		lp = getdiskbyname(disktype);
 		if (lp != NULL)
@@ -462,25 +451,6 @@ getdisklabel(char *s)
 	return (NULL);
 }
 
-void
-rewritelabel(char *s, struct disklabel *lp)
-{
-	if (unlabeled)
-		return;
-	lp->d_checksum = 0;
-	lp->d_checksum = dkcksum(lp);
-	if (is_file) {
-		bsd_disklabel_le_enc(bootarea + 0 /* labeloffset */ +
-			1 /* labelsoffset */ * sectorsize, lp);
-		lseek(disk.d_fd, 0, SEEK_SET);
-		if (write(disk.d_fd, bootarea, BBSIZE) != BBSIZE)
-			errx(1, "cannot write label");
-		return;
-	}
-	if (ioctl(disk.d_fd, DIOCWDINFO, (char *)lp) == -1)
-		warn("ioctl (WDINFO): %s: can't rewrite disk label", s);
-}
-
 static void
 usage()
 {
diff --git a/sbin/newfs_msdos/newfs_msdos.c b/sbin/newfs_msdos/newfs_msdos.c
index f315d98..4685782 100644
--- a/sbin/newfs_msdos/newfs_msdos.c
+++ b/sbin/newfs_msdos/newfs_msdos.c
@@ -829,28 +829,26 @@ getdiskinfo(int fd, const char *fname, const char *dtype, __unused int oflag,
     if (lp == NULL) {
 	if (bpb->bpbBytesPerSec)
 	    dlp.d_secsize = bpb->bpbBytesPerSec;
-	if (ioctl(fd, DIOCGDINFO, &dlp) == -1) {
-	    if (bpb->bpbBytesPerSec == 0 && ioctl(fd, DIOCGSECTORSIZE,
-						  &dlp.d_secsize) == -1)
-		err(1, "cannot get sector size");
+	if (bpb->bpbBytesPerSec == 0 && ioctl(fd, DIOCGSECTORSIZE,
+					      &dlp.d_secsize) == -1)
+	    err(1, "cannot get sector size");
 
-	    dlp.d_secperunit = ms / dlp.d_secsize;
+	dlp.d_secperunit = ms / dlp.d_secsize;
 
-	    if (bpb->bpbSecPerTrack == 0 && ioctl(fd, DIOCGFWSECTORS,
-						  &dlp.d_nsectors) == -1) {
-		warn("cannot get number of sectors per track");
-		dlp.d_nsectors = 63;
-	    }
-	    if (bpb->bpbHeads == 0 &&
-	        ioctl(fd, DIOCGFWHEADS, &dlp.d_ntracks) == -1) {
-		warn("cannot get number of heads");
-		if (dlp.d_secperunit <= 63*1*1024)
-		    dlp.d_ntracks = 1;
-		else if (dlp.d_secperunit <= 63*16*1024)
-		    dlp.d_ntracks = 16;
-		else
-		    dlp.d_ntracks = 255;
-	    }
+	if (bpb->bpbSecPerTrack == 0 && ioctl(fd, DIOCGFWSECTORS,
+					      &dlp.d_nsectors) == -1) {
+	    warn("cannot get number of sectors per track");
+	    dlp.d_nsectors = 63;
+	}
+	if (bpb->bpbHeads == 0 &&
+	    ioctl(fd, DIOCGFWHEADS, &dlp.d_ntracks) == -1) {
+	    warn("cannot get number of heads");
+	    if (dlp.d_secperunit <= 63*1*1024)
+		dlp.d_ntracks = 1;
+	    else if (dlp.d_secperunit <= 63*16*1024)
+		dlp.d_ntracks = 16;
+	    else
+		dlp.d_ntracks = 255;
 	}
 
 	hs = (ms / dlp.d_secsize) - dlp.d_secperunit;