/*
* add the given device to the list of devices to be checked
*/
int
preen_addev(char *devnm)
{
struct rawdev *rdp;
int fd;
struct dk_cinfo dki;
extern char *strdup();
if ((fd = open64(devnm, O_RDONLY)) == -1) {
perror(devnm);
return (-1);
}
if (ioctl(fd, DKIOCINFO, &dki) == -1) {
perror("DKIOCINFO");
fprintf(stderr, "device: `%s'\n", devnm);
(void) close(fd);
return (-1);
}
(void) close(fd);
if ((rdp = (struct rawdev *)malloc(sizeof (struct rawdev))) == NULL) {
(void) fprintf(stderr, "out of memory in preenlib\n");
return (-1);
}
if ((rdp->devname = strdup(devnm)) == NULL) {
(void) fprintf(stderr, "out of memory in preenlib\n");
return (-1);
}
rdp->alldevs = NULL;
rdp->nxtrd = NULL;
if (preen_subdev(devnm, &dki, (void *)rdp)) {
preen_addunit(rdp, dki.dki_dname, NULL, NULL, dki.dki_unit);
}
rdp->nxtrd = unchecked;
unchecked = rdp;
return (0);
}
/*
* This routine is called from preenlib the first time. It is then
* recursively called through preen_subdev.
*
* The argument passed in (uname) starts with the special device from
* /etc/vfstab. Recursive calls pass in the underlying physical device
* names.
*/
void
preen_build_devs(
char *uname, /* name of metadevice */
struct dk_cinfo *dkiop, /* associated controller info */
void *dp /* magic info */
)
{
char *setname = NULL;
char *tname = NULL;
mdsetname_t *sp;
mdname_t *namep; /* metadevice name */
mdnamelist_t *nlp = NULL; /* list of real devices */
mdnamelist_t *p;
devid_nmlist_t *nm_list = NULL;
md_error_t status = mdnullerror;
md_error_t *ep = &status;
int ep_valid = 0; /* does ep contain a real error */
struct stat statb;
static int md_major = -1;
side_t sideno;
/*
* The rest of the code in this library can't work within a
* non-global zone so we just return the top level metadevice back
* to be fscked.
*/
if (getzoneid() != GLOBAL_ZONEID) {
preen_addunit(dp, dkiop->dki_dname, NULL, NULL,
dkiop->dki_unit);
return;
}
if (stat(uname, &statb) != 0)
return;
if (md_major == -1 &&
get_major_from_n2m(MD_MODULE, &md_major) != 0)
return;
/*
* If the path passed in is not a metadevice, then add that
* device to the list (preen_addunit) since it has to be a
* physical device.
*/
if (major(statb.st_rdev) != md_major) {
preen_addunit(dp, dkiop->dki_dname, NULL, NULL,
dkiop->dki_unit);
return;
}
/*
* Bind to the cluster library
*/
if (sdssc_bind_library() == SDSSC_ERROR)
return;
if (md_init_daemon("fsck", ep) != 0) {
ep_valid = 1;
goto out;
}
/*
* parse the path name to get the diskset name.
*/
parse_device(NULL, uname, &tname, &setname);
Free(tname);
if ((sp = metasetname(setname, ep)) == NULL) {
ep_valid = 1;
goto out;
}
/* check for ownership */
if (meta_check_ownership(sp, ep) != 0) {
/*
* Don't own the set but we are here implies
* that this is a clustered proxy device. Simply add
* the unit.
*/
preen_addunit(dp, dkiop->dki_dname, NULL, NULL,
dkiop->dki_unit);
ep_valid = 1;
goto out;
}
/*
* get list of underlying physical devices.
*/
if ((namep = metaname(&sp, uname, UNKNOWN, ep)) == NULL) {
ep_valid = 1;
goto out;
}
if (namep->dev == NODEV64) {
goto out;
}
if (meta_getdevs(sp, namep, &nlp, ep) != 0) {
ep_valid = 1;
goto out;
}
if ((sideno = getmyside(sp, ep)) == MD_SIDEWILD) {
ep_valid = 1;
goto out;
}
/* gather and add the underlying devs */
for (p = nlp; (p != NULL); p = p->next) {
mdname_t *devnp = p->namep;
int fd;
struct dk_cinfo cinfo;
ddi_devid_t md_did;
char *devname;
char *minor_name = NULL;
char mname[MAXPATHLEN];
/*
* we don't want to use the rname anymore because
* that may have changed. Use the device id information
* to find the correct ctd name and open based on that.
* If there isn't a devid or we have a did device, then
* use the rname. In clustering, it's corrected for us.
* If no devid it's at least worth a try.
*/
if (((md_did = meta_getdidbykey(sp->setno, sideno,
devnp->key, ep)) == NULL) || ((minor_name =
meta_getdidminorbykey(sp->setno, sideno,
devnp->key, ep)) == NULL)) {
devname = devnp->rname;
if (md_did)
Free(md_did);
} else {
if (strstr(minor_name, ",raw") == NULL) {
(void) snprintf(mname, MAXPATHLEN, "%s,raw",
minor_name);
} else {
(void) snprintf(mname, MAXPATHLEN, "%s",
minor_name);
}
/*
* We need to make sure we call this with a specific
* mname (raw mname) so that we get the exact slice
* with the given device id. Otherwise we could try
* to open a slice that doesn't really exist.
*/
if (meta_deviceid_to_nmlist("/dev", md_did,
mname, &nm_list) != 0) {
(void) mdsyserror(ep, errno, devnp->rname);
ep_valid = 1;
Free(md_did);
Free(minor_name);
goto out;
}
devname = Strdup(nm_list->devname);
Free(md_did);
Free(minor_name);
devid_free_nmlist(nm_list);
}
/* get device name and (real) cinfo */
if ((fd = open(devname, O_RDONLY, 0)) < 0) {
(void) mdsyserror(ep, errno, devname);
ep_valid = 1;
/*
* We need to scan all sub devices even if some fail
* since exit here would end up in not finishing fsck
* on all devices and prevent us from going into
* multiuser mode.
*/
continue;
}
if (ioctl(fd, DKIOCINFO, &cinfo) != 0) {
(void) mdsyserror(ep, errno, devname);
(void) close(fd);
ep_valid = 1;
/* Continue here too. See comment from before */
continue;
}
(void) close(fd); /* sd/ssd bug */
/*
* preen_subdev fails when the device name has been
* resolved to the physical layer. Hence it is added
* to preen_addunit.
*/
if (preen_subdev(devname, &cinfo, dp) != 0) {
preen_addunit(dp, cinfo.dki_dname, NULL, NULL,
cinfo.dki_unit);
}
}
/* cleanup, if we fail, just add this composite device to the list */
out:
if (setname != NULL)
Free(setname);
if (ep_valid != 0) {
mde_perror(&status, "");
mdclrerror(&status);
}
metafreenamelist(nlp);
}
