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authorMichael I. Bushnell <mib@gnu.org>1994-09-09 16:48:27 +0000
committerMichael I. Bushnell <mib@gnu.org>1994-09-09 16:48:27 +0000
commit82df8cb9650ed57083a748857ed244a4bb534d40 (patch)
treeedca34da6e1d425fa619bec6ef887862ef74b446 /ufs-utils/mkfs.c
parent33f5bcf57515a8481fab63f052e7459f30454188 (diff)
Formerly mkfs.c.~4~
Diffstat (limited to 'ufs-utils/mkfs.c')
-rw-r--r--ufs-utils/mkfs.c139
1 files changed, 132 insertions, 7 deletions
diff --git a/ufs-utils/mkfs.c b/ufs-utils/mkfs.c
index 821d67ae..f069e600 100644
--- a/ufs-utils/mkfs.c
+++ b/ufs-utils/mkfs.c
@@ -33,7 +33,7 @@
#ifndef lint
/*static char sccsid[] = "from: @(#)mkfs.c 8.3 (Berkeley) 2/3/94";*/
-static char *rcsid = "$Id: mkfs.c,v 1.3 1994/09/08 20:03:28 mib Exp $";
+static char *rcsid = "$Id: mkfs.c,v 1.4 1994/09/09 16:48:27 mib Exp $";
#endif /* not lint */
#include <unistd.h>
@@ -45,8 +45,10 @@ static char *rcsid = "$Id: mkfs.c,v 1.3 1994/09/08 20:03:28 mib Exp $";
#include "../ufs/dir.h"
#include "../ufs/fs.h"
/* #include <sys/disklabel.h> */
+#include <sys/stat.h>
+#include <fcntl.h>
-/* Begin additions for GNU Hurd */
+/* Begin misc additions for GNU Hurd */
/* For GNU Hurd: the ufs DIRSIZ macro is different than the BSD
4.4 version that mkfs expects. So we provide here the BSD version. */
@@ -68,6 +70,10 @@ static char *rcsid = "$Id: mkfs.c,v 1.3 1994/09/08 20:03:28 mib Exp $";
/* Provide mode from struct dinode * */
#define DI_MODE(dp) (((dp)->di_modeh << 16) | (dp)->di_model)
+#define DEV_BSIZE 512
+
+#define btodb(bytes) ((bytes) / DEV_BSIZE)
+
/* End additions for GNU Hurd */
#ifndef STANDALONE
@@ -95,6 +101,7 @@ static char *rcsid = "$Id: mkfs.c,v 1.3 1994/09/08 20:03:28 mib Exp $";
/*
* variables set up by front end.
*/
+#define extern
extern int mfs; /* run as the memory based filesystem */
extern int Nflag; /* run mkfs without writing file system */
extern int Oflag; /* format as an 4.3BSD file system */
@@ -125,6 +132,7 @@ extern int sbsize; /* superblock size */
extern u_long memleft; /* virtual memory available */
extern caddr_t membase; /* start address of memory based filesystem */
extern caddr_t malloc(), calloc();
+#undef extern
union {
struct fs fs;
@@ -144,6 +152,119 @@ struct dinode zino[MAXBSIZE / sizeof(struct dinode)];
int fsi, fso;
daddr_t alloc();
+main (int argc, char **argv)
+{
+ void usage ()
+ {
+ fprintf (stderr,
+ "Usage: %s [-N] special nsect ntrak npseck tskew ileave\n",
+ argv[0]);
+ exit (1);
+ }
+ /* Usage is
+ mkfs [-N] special nsect ntrak npsect tskew ileave
+
+ All other parameters are computed from defaults and the device itself. */
+ char **args;
+ int fdo, fdi;
+ char *device;
+ struct stat st;
+
+ if (argc == 8)
+ {
+ if (argv[1][0] != '-' || argv[1][1] != 'N' || argv[1][2] != '\0')
+ usage ();
+ Nflag = 1;
+ args = &argv[2];
+ }
+ else if (argc != 7)
+ usage ();
+ else
+ args = &argv[1];
+
+ /* Default computation taken from 4.4 BSD newfs.c */
+
+ device = args[0];
+ fdi = open (device, O_RDONLY);
+ if (fdi == -1)
+ {
+ perror (device);
+ exit (1);
+ }
+ fdo = open (device, O_WRONLY);
+ if (fdo == -1)
+ {
+ perror (device);
+ exit (1);
+ }
+ if (fstat (fdi, &st) == -1)
+ {
+ perror ("stat");
+ exit (1);
+ }
+
+ mfs = 0;
+ Oflag = 0;
+ fssize = st.st_size / DEV_BSIZE;
+
+ ntracks = atoi (args[2]);
+ if (ntracks == 0)
+ {
+ fprintf (stderr, "Bogus ntracks: %d\n", ntracks);
+ exit (1);
+ }
+
+ nsectors = atoi (args[1]);
+ if (nsectors == 0)
+ {
+ fprintf (stderr, "Bogus nsectors: %d\n", nsectors);
+ exit (1);
+ }
+
+ nphyssectors = atoi (args[3]);
+ if (nphyssectors == 0)
+ {
+ fprintf (stderr, "Bogus npsect: %d\n", nphyssectors);
+ exit (1);
+ }
+
+ secpercyl = nsectors * ntracks;
+
+ sectorsize = DEV_BSIZE;
+
+ rpm = 3600;
+
+ interleave = atoi (args[5]);
+
+ trackskew = atoi (args[4]);
+
+ /* These aren't used by the GNU ufs, so who cares? */
+ headswitch = 0;
+ trackseek = 0;
+
+ fsize = 1024;
+ bsize = 8192;
+
+ cpg = 16;
+ cpgflg = 0;
+ minfree = MINFREE;
+ opt = DEFAULTOPT ;
+ density = 4 * fsize;
+ maxcontig = MAX (1, MIN (MAXPHYS, MAXBSIZE) / bsize - 1);
+ rotdelay = 4;
+#define MAXBLKPG(bsize) ((bsize) / sizeof(daddr_t))
+ maxbpg = MAXBLKPG (bsize);
+ nrpos = 8;
+ bbsize = BBSIZE;
+ sbsize = SBSIZE;
+
+ mkfs (0, device, fdi, fdo);
+
+ exit (0);
+}
+
+
+
mkfs(pp, fsys, fi, fo)
struct partition *pp;
char *fsys;
@@ -638,6 +759,7 @@ next:
for (cylno = 0; cylno < sblock.fs_ncg; cylno++)
wtfs(fsbtodb(&sblock, cgsblock(&sblock, cylno)),
sbsize, (char *)&sblock);
+#if 0 /* Not in Hurd (yet) */
/*
* Update information about this partion in pack
* label, to that it may be updated on disk.
@@ -646,6 +768,7 @@ next:
pp->p_fsize = sblock.fs_fsize;
pp->p_frag = sblock.fs_frag;
pp->p_cpg = sblock.fs_cpg;
+#endif
/*
* Notify parent process of success.
* Dissociate from session and tty.
@@ -880,10 +1003,11 @@ fsinit(utime)
bcopy(&lost_found_dir[2], &buf[i],
DIRSIZ(0, &lost_found_dir[2]));
}
- node.di_mode = IFDIR | UMASK;
+ node.di_model = ifdir | UMASK;
+ node.di_modeh = 0;
node.di_nlink = 2;
node.di_size = sblock.fs_bsize;
- node.di_db[0] = alloc(node.di_size, node.di_mode);
+ node.di_db[0] = alloc(node.di_size, DI_MODE (&node));
node.di_blocks = btodb(fragroundup(&sblock, node.di_size));
wtfs(fsbtodb(&sblock, node.di_db[0]), node.di_size, buf);
iput(&node, LOSTFOUNDINO);
@@ -892,15 +1016,16 @@ fsinit(utime)
* create the root directory
*/
if (mfs)
- node.di_mode = IFDIR | 01777;
+ node.di_model = IFDIR | 01777;
else
- node.di_mode = IFDIR | UMASK;
+ node.di_model = IFDIR | UMASK;
+ node.di_modeh = 0;
node.di_nlink = PREDEFDIR;
if (Oflag)
node.di_size = makedir((struct direct *)oroot_dir, PREDEFDIR);
else
node.di_size = makedir(root_dir, PREDEFDIR);
- node.di_db[0] = alloc(sblock.fs_fsize, node.di_mode);
+ node.di_db[0] = alloc(sblock.fs_fsize, DI_MODE (&node));
node.di_blocks = btodb(fragroundup(&sblock, node.di_size));
wtfs(fsbtodb(&sblock, node.di_db[0]), sblock.fs_fsize, buf);
iput(&node, ROOTINO);