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Since DEVFS is mandatory, remove all instances to make_dev*. Keep the

Browse source 
"makedev" command for backwards compatibility, but just print out an
informational message (this was the current behaviour, anyway) and remove
it from the documentation.

Approved by:     grog (mentor)
This commit is contained in:
Lukas Ertl 2004-02-16 09:23:59 +00:00
parent 19b3bba3e5
commit 7ccbdc0d22
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=125864
4 changed files with 3 additions and 228 deletions
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18
sbin/vinum/commands.c
View file

@ -137,8 +137,6 @@ vinum_create(int argc, char *argv[], char *arg0[])
error = ioctl(superdev, VINUM_SAVECONFIG, &ioctltype); /* save the config to disk */
if (error != 0)
perror("Can't save Vinum config");
if (no_devfs)
make_devices();
listconfig();
checkupdates(); /* make sure we're updating */
}
@ -162,8 +160,6 @@ vinum_read(int argc, char *argv[], char *arg0[])
ioctl(superdev, VINUM_READCONFIG, &buffer);
if (reply->error != 0) /* error in config */
fprintf(stdout, "** %s: %s\n", reply->msg, strerror(reply->error));
else if (no_devfs)
make_devices();
checkupdates(); /* make sure we're updating */
}
@ -233,8 +229,6 @@ vinum_rm(int argc, char *argv[], char *arg0[])
}
checkupdates(); /* make sure we're updating */
/* Arguably we should be cleverer about this. */
if (no_devfs)
make_devices();
}
}
@ -260,8 +254,6 @@ vinum_resetconfig(int argc, char *argv[], char *arg0[])
else
perror("Can't find vinum config");
} else {
if (no_devfs)
make_devices(); /* recreate the /dev/vinum hierarchy */
printf("\b Vinum configuration obliterated\n");
start_daemon(); /* then restart the daemon */
}
@ -1502,8 +1494,6 @@ vinum_concat(int argc, char *argv[], char *argv0[])
if (error != 0)
perror("Can't save Vinum config");
find_object(objectname, &type); /* find the index of the volume */
if (no_devfs)
make_vol_dev(vol.volno, 1); /* and create the devices */
if (vflag) {
vflag--; /* XXX don't give too much detail */
find_object(objectname, &type); /* point to the volume */
@ -1648,8 +1638,6 @@ vinum_stripe(int argc, char *argv[], char *argv0[])
if (error != 0)
perror("Can't save Vinum config");
find_object(objectname, &type); /* find the index of the volume */
if (no_devfs)
make_vol_dev(vol.volno, 1); /* and create the devices */
if (vflag) {
vflag--; /* XXX don't give too much detail */
find_object(objectname, &type); /* point to the volume */
@ -1793,8 +1781,6 @@ vinum_raid4(int argc, char *argv[], char *argv0[])
if (error != 0)
perror("Can't save Vinum config");
find_object(objectname, &type); /* find the index of the volume */
if (no_devfs)
make_vol_dev(vol.volno, 1); /* and create the devices */
if (vflag) {
vflag--; /* XXX don't give too much detail */
find_object(objectname, &type); /* point to the volume */
@ -1938,8 +1924,6 @@ vinum_raid5(int argc, char *argv[], char *argv0[])
if (error != 0)
perror("Can't save Vinum config");
find_object(objectname, &type); /* find the index of the volume */
if (no_devfs)
make_vol_dev(vol.volno, 1); /* and create the devices */
if (vflag) {
vflag--; /* XXX don't give too much detail */
find_object(objectname, &type); /* point to the volume */
@ -2115,8 +2099,6 @@ vinum_mirror(int argc, char *argv[], char *argv0[])
if (error != 0)
perror("Can't save Vinum config");
find_object(objectname, &type); /* find the index of the volume */
if (no_devfs)
make_vol_dev(vol.volno, 1); /* and create the devices */
if (vflag) {
vflag--; /* XXX don't give too much detail */
sflag = 0; /* no stats, please */

196
sbin/vinum/v.c
View file

@ -80,7 +80,6 @@ struct _drive drive;
jmp_buf command_fail; /* return on a failed command */
int superdev; /* vinum super device */
int no_devfs = 1; /* set if we have no devfs active */
gid_t gid_operator; /* group operator for chown */
#define GROUP_OPERATOR "operator"
#define UID_ROOT 0 /* no need to lookup... */
@ -133,16 +132,10 @@ main(int argc, char *argv[], char *envp[])
fprintf(History, "*** " VINUMMOD " started ***\n");
fflush(History); /* before we start the daemon */
}
if (sysctlbyname("vfs.devfs.generation", NULL, NULL, NULL, 0) == 0)
no_devfs = 0;
superdev = open(VINUM_SUPERDEV_NAME, O_RDWR); /* open vinum superdevice */
if (superdev < 0) { /* no go */
if ((errno == ENOENT) && no_devfs) /* we don't have our node, */
make_devices(); /* create them first */
if (superdev < 0) {
perror("Can't open " VINUM_SUPERDEV_NAME);
return 1;
}
perror("Can't open " VINUM_SUPERDEV_NAME);
return 1;
}
/*
* Check that we match the kernel version. There are a number of
@ -503,194 +496,11 @@ find_drive_by_devname(char *name)
return NULL; /* no drive of that name */
}
/* Create the device nodes for vinum objects */
void
make_devices(void)
{
int volno;
int plexno;
int sdno;
int driveno;
if (access(_PATH_DEV, W_OK) < 0) { /* can't access /dev to write? */
if (errno == EROFS) /* because it's read-only, */
fprintf(stderr, VINUMMOD ": " _PATH_DEV
" is mounted read-only, not rebuilding " VINUM_DIR "\n");
else
perror(VINUMMOD ": Can't write to " _PATH_DEV);
return;
}
if (History) {
timestamp();
fprintf(History, "*** Created devices ***\n");
}
if (superdev >= 0) /* super device open */
close(superdev);
system("rm -rf " VINUM_DIR); /* remove the old directories */
system("mkdir -p " VINUM_DIR "/drive " /* and make them again */
VINUM_DIR "/plex "
VINUM_DIR "/sd "
VINUM_DIR "/vol");
if (mknod(VINUM_SUPERDEV_NAME,
S_IRUSR | S_IWUSR | S_IFCHR, /* user only */
makedev(VINUM_CDEV_MAJOR, VINUM_SUPERDEV_VOL)) < 0)
fprintf(stderr, "Can't create %s: %s\n", VINUM_SUPERDEV_NAME, strerror(errno));
superdev = open(VINUM_SUPERDEV_NAME, O_RDWR); /* open the super device */
if (superdev < 0) {
perror(VINUM_SUPERDEV_NAME);
return;
}
if (mknod(VINUM_DAEMON_DEV_NAME, /* daemon super device */
S_IRUSR | S_IWUSR | S_IFCHR, /* user only */
makedev(VINUM_CDEV_MAJOR, VINUM_DAEMON_VOL)) < 0)
fprintf(stderr, "Can't create %s: %s\n", VINUM_DAEMON_DEV_NAME, strerror(errno));
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
for (volno = 0; volno < vinum_conf.volumes_allocated; volno++)
make_vol_dev(volno, 0);
for (plexno = 0; plexno < vinum_conf.plexes_allocated; plexno++)
make_plex_dev(plexno, 0);
for (sdno = 0; sdno < vinum_conf.subdisks_allocated; sdno++)
make_sd_dev(sdno);
/* Drives. Do this later (both logical and physical names) XXX */
for (driveno = 0; driveno < vinum_conf.drives_allocated; driveno++) {
char filename[PATH_MAX]; /* for forming file names */
get_drive_info(&drive, driveno);
if (drive.state > drive_referenced) {
sprintf(filename, "ln -s %s " VINUM_DIR "/drive/%s", drive.devicename, drive.label.name);
system(filename);
}
}
}
/* make the devices for a volume */
void
make_vol_dev(int volno, int recurse)
{
dev_t voldev;
char filename[PATH_MAX]; /* for forming file names */
int plexno;
get_volume_info(&vol, volno);
if (vol.state != volume_unallocated) { /* we could have holes in our lists */
voldev = VINUMDEV(volno, VINUM_VOLUME_TYPE); /* create a device number */
/* Create /dev/vinum/<myvol> */
sprintf(filename, VINUM_DIR "/%s", vol.name);
if (mknod(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR, voldev) < 0)
fprintf(stderr, "Can't create %s: %s\n", filename, strerror(errno));
else
chown(filename, UID_ROOT, gid_operator);
/* Create /dev/vinum/vol/<myvol> */
sprintf(filename, VINUM_DIR "/vol/%s", vol.name);
if (mknod(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR, voldev) < 0)
fprintf(stderr, "Can't create %s: %s\n", filename, strerror(errno));
else
chown(filename, UID_ROOT, gid_operator);
if (vol.plexes > 0) {
/* Create /dev/vinum/vol/<myvol>.plex/ */
sprintf(filename, VINUM_DIR "/vol/%s.plex", vol.name);
if (mkdir(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IXOTH) < 0)
fprintf(stderr, "Can't create %s: %s\n", filename, strerror(errno));
else
chown(filename, UID_ROOT, gid_operator);
}
if (recurse)
for (plexno = 0; plexno < vol.plexes; plexno++)
make_plex_dev(plex.plexno, recurse);
}
}
/*
* Create device entries for the plexes in
* /dev/vinum/<vol>.plex/ and /dev/vinum/plex.
*/
void
make_plex_dev(int plexno, int recurse)
{
dev_t plexdev; /* device */
char filename[PATH_MAX]; /* for forming file names */
int sdno;
get_plex_info(&plex, plexno);
if (plex.state != plex_unallocated) {
plexdev = VINUM_PLEX(plexno);
/* /dev/vinum/plex/<plex> */
sprintf(filename, VINUM_DIR "/plex/%s", plex.name);
if (mknod(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR, plexdev) < 0)
fprintf(stderr, "Can't create %s: %s\n", filename, strerror(errno));
else
chown(filename, UID_ROOT, gid_operator);
if (plex.volno >= 0) {
get_volume_info(&vol, plex.volno);
plexdev = VINUMDEV(plex.volno, VINUM_PLEX_TYPE);
/* Create device /dev/vinum/vol/<vol>.plex/<plex> */
sprintf(filename, VINUM_DIR "/vol/%s.plex/%s", vol.name, plex.name);
if (mknod(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR, plexdev) < 0)
fprintf(stderr, "Can't create %s: %s\n", filename, strerror(errno));
else
chown(filename, UID_ROOT, gid_operator);
/* Create directory /dev/vinum/vol/<vol>.plex/<plex>.sd */
sprintf(filename, VINUM_DIR "/vol/%s.plex/%s.sd", vol.name, plex.name);
if (mkdir(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IXOTH) < 0)
fprintf(stderr, "Can't create %s: %s\n", filename, strerror(errno));
else
chown(filename, UID_ROOT, gid_operator);
}
if (recurse) {
for (sdno = 0; sdno < plex.subdisks; sdno++) {
get_plex_sd_info(&sd, plex.plexno, sdno);
make_sd_dev(sd.sdno);
}
}
}
}
/* Create the contents of /dev/vinum/sd and /dev/vinum/rsd */
void
make_sd_dev(int sdno)
{
dev_t sddev; /* device */
char filename[PATH_MAX]; /* for forming file names */
get_sd_info(&sd, sdno);
if (sd.state != sd_unallocated) {
sddev = VINUM_SD(sdno);
/* /dev/vinum/sd/<sd> */
sprintf(filename, VINUM_DIR "/sd/%s", sd.name);
if (mknod(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR, sddev) < 0)
fprintf(stderr, "Can't create %s: %s\n", filename, strerror(errno));
else
chown(filename, UID_ROOT, gid_operator);
}
}
/* command line interface for the 'makedev' command */
void
vinum_makedev(int argc, char *argv[], char *arg0[])
{
if (no_devfs)
make_devices();
else
fprintf(stderr, "makedev is not needed for a DEVFS-based system\n");
fprintf(stderr, "makedev is not needed for a DEVFS-based system\n");
}
/*

5
sbin/vinum/vext.h
View file

@ -165,10 +165,6 @@ void vinum_rebuildparity(int argc, char *argv[], char *argv0[]);
void parityops(int argc, char *argv[], enum parityop op);
void start_daemon(void);
void vinum_debug(int argc, char *argv[], char *arg0[]);
void make_devices(void);
void make_vol_dev(int, int);
void make_plex_dev(int, int);
void make_sd_dev(int);
void list_defective_objects(void);
void vinum_dumpconfig(int argc, char *argv[], char *argv0[]);
void dumpconfig(char *part);
@ -213,7 +209,6 @@ extern struct _drive drive;
extern jmp_buf command_fail; /* return on a failed command */
extern int superdev; /* vinum super device */
extern int no_devfs; /* set if we don't have DEVFS */
extern int line; /* stdin line number for error messages */
extern int file_line; /* and line in input file (yes, this is tacky) */

12
sbin/vinum/vinum.8
View file

@ -152,9 +152,6 @@ List information about plexes.
.Op Ar volume
.Xc
List information about volumes.
.It Ic makedev
Remake the device nodes in
.Pa /dev/vinum .
.It Xo
.Ic mirror
.Op Fl f
@ -880,15 +877,6 @@ to output device statistics, the
.Fl V
causes considerable additional information to be output.
.Pp
.It Ic makedev
The
.Ic makedev
command removes the directory
.Pa /dev/vinum
and recreates it with device nodes
which reflect the current configuration. This command is not intended for
general use, and is provided for emergency use only.
.Pp
.It Xo
.Ic mirror
.Op Fl f