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Correct some indentation 

Implicitly-desired-by: bde

update_plex_state:  Handle empty RAID-5 plexes correctly
This commit is contained in:
Greg Lehey 1999-02-11 06:44:46 +00:00
parent e8b3affb8e
commit 9e0aa8e9b8
1 changed files with 46 additions and 35 deletions
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81
sys/dev/vinum/vinumstate.c
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@ -33,7 +33,7 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: vinumstate.c,v 2.10 1999/01/17 06:19:23 grog Exp grog $
* $Id: vinumstate.c,v 1.7.2.3 1999/02/11 05:53:52 grog Exp $
*/
#define REALLYKERNEL
@ -60,7 +60,9 @@ set_drive_state(int driveno, enum drivestate newstate, enum setstateflags flags)
return 0; /* don't do it */
drive->state = newstate; /* set the state */
if (drive->label.name[0] != '\0') /* we have a name, */
printf("vinum: drive %s is %s\n", drive->label.name, drive_state(drive->state));
printf("vinum: drive %s is %s\n",
drive->label.name,
drive_state(drive->state));
if ((drive->state == drive_up)
&& (drive->vp == NULL)) /* should be open, but we're not */
init_drive(drive, 1); /* which changes the state again */
@ -131,7 +133,10 @@ set_sd_state(int sdno, enum sdstate newstate, enum setstateflags flags)
* Do we even want this any more?
*/
sd->state = sd_reborn; /* here it is again */
printf("vinum: subdisk %s is %s, not %s\n", sd->name, sd_state(sd->state), sd_state(newstate));
printf("vinum: subdisk %s is %s, not %s\n",
sd->name,
sd_state(sd->state),
sd_state(newstate));
status = -1;
break;
@ -174,7 +179,8 @@ set_sd_state(int sdno, enum sdstate newstate, enum setstateflags flags)
vol = &VOL[plex->volno];
else
vol = NULL;
if (((vol == NULL) /* no volume */ ||(vol->plexes == 1)) /* or only one plex in volume */
if (((vol == NULL) /* no volume */
||(vol->plexes == 1)) /* or only one plex in volume */
&&((plex->organization != plex_raid5) /* or it's a RAID-5 plex */
||(plex->sddowncount > 1))) /* with more than one subdisk down, */
return 0; /* can't do it */
@ -392,39 +398,44 @@ update_plex_state(int plexno)
*/
plex->state = plex_up; /* go for it */
else if (statemap == sd_emptystate) { /* nothing done yet */
if (((vps & (volplex_otherup | volplex_onlyus)) == 0) /* nothing is up */ &&(plex->state == plex_init) /* we're brand spanking new */
&&(plex->volno >= 0) /* and we have a volume */
&&(VOL[plex->volno].flags & VF_CONFIG_SETUPSTATE)) { /* and we consider that up */
/*
* Conceptually, an empty plex does not contain valid data,
* but normally we'll see this state when we have just
* created a plex, and it's either consistent from earlier,
* or we don't care about the previous contents (we're going
* to create a file system or use it for swap).
*
* We need to do this in one swell foop: on the next call
* we will no longer be just empty.
*
* This code assumes that all the other plexes are also
* capable of coming up (i.e. all the sds are up), but
* that's OK: we'll come back to this function for the remaining
* plexes in the volume.
*/
struct volume *vol = &VOL[plex->volno];
int plexno;
if ((plex->organization == plex_concat) /* only change this for concat and struped */
||(plex->organization == plex_striped)) {
if (((vps & (volplex_otherup | volplex_onlyus)) == 0) /* nothing is up */
&&(plex->state == plex_init) /* we're brand spanking new */
&&(plex->volno >= 0) /* and we have a volume */
&&(VOL[plex->volno].flags & VF_CONFIG_SETUPSTATE)) { /* and we consider that up */
/*
* Conceptually, an empty plex does not contain valid data,
* but normally we'll see this state when we have just
* created a plex, and it's either consistent from earlier,
* or we don't care about the previous contents (we're going
* to create a file system or use it for swap).
*
* We need to do this in one swell foop: on the next call
* we will no longer be just empty.
*
* This code assumes that all the other plexes are also
* capable of coming up (i.e. all the sds are up), but
* that's OK: we'll come back to this function for the remaining
* plexes in the volume.
*/
struct volume *vol = &VOL[plex->volno];
int plexno;
for (plexno = 0; plexno < vol->plexes; plexno++)
PLEX[vol->plex[plexno]].state = plex_up;
} else if ((vps & volplex_otherup) == 0) { /* no other plexes up */
int sdno;
for (plexno = 0; plexno < vol->plexes; plexno++)
PLEX[vol->plex[plexno]].state = plex_up;
} else if ((vps & volplex_otherup) == 0) { /* no other plexes up */
int sdno;
plex->state = plex_up; /* we can call that up */
for (sdno = 0; sdno < plex->subdisks; sdno++) { /* change the subdisks to up state */
SD[plex->sdnos[sdno]].state = sd_up;
printf("vinum: %s is up\n", SD[plex->sdnos[sdno]].name); /* tell them about it */
}
} else
plex->state = plex_faulty; /* no, it's down */
plex->state = plex_up; /* we can call that up */
for (sdno = 0; sdno < plex->subdisks; sdno++) { /* change the subdisks to up state */
SD[plex->sdnos[sdno]].state = sd_up;
printf("vinum: %s is up\n", SD[plex->sdnos[sdno]].name); /* tell them about it */
}
} else
plex->state = plex_faulty; /* no, it's down */
} else /* invalid or RAID-5 organization */
plex->state = plex_faulty; /* it's down */
} else if ((statemap & (sd_upstate | sd_rebornstate)) == statemap) /* all up or reborn */
plex->state = plex_flaky;
else if (statemap & (sd_upstate | sd_rebornstate)) /* some up or reborn */