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Check for maximum number of subdisks in a plex

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Get object counts right when removing
This commit is contained in:
Greg Lehey 1998-11-02 04:08:30 +00:00
parent f3d6ee090e
commit 6e1f0e2f5e
2 changed files with 22 additions and 2 deletions
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12
lkm/vinum/config.c
View File

@ -44,7 +44,7 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: config.c,v 1.19 1998/10/05 02:48:15 grog Exp grog $
* $Id: config.c,v 1.20 1998/10/26 02:05:34 grog Exp grog $
*/
#define STATIC /* nothing while we're testing XXX */
@ -312,6 +312,12 @@ give_sd_to_plex(int plexno, int sdno)
} else /* first subdisk */
sd->plexoffset = 0; /* start at the beginning */
}
if (plex->subdisks == MAXSD) /* we already have our maximum */
throw_rude_remark(ENOSPC, /* crap out */
"Can't add %s to %s: plex full\n",
sd->name,
plex->name);
plex->subdisks++; /* another entry */
if (plex->subdisks >= plex->subdisks_allocated) /* need more space */
EXPAND(plex->sdnos, int, plex->subdisks_allocated, INITIAL_SUBDISKS_IN_PLEX);
@ -590,6 +596,7 @@ free_drive(struct drive *drive)
if (drive->vp != NULL) /* device open */
vn_close(drive->vp, FREAD | FWRITE, FSCRED, drive->p);
bzero(drive, sizeof(struct drive)); /* this also sets drive_unallocated */
vinum_conf.drives_used--; /* one less drive */
}
/* Find the named subdisk in vinum_conf.sd.
@ -707,6 +714,7 @@ free_sd(int sdno)
}
bzero(sd, sizeof(struct sd)); /* and clear it out */
sd->state = sd_unallocated;
vinum_conf.subdisks_used--; /* one less sd */
}
/* Find an empty plex in the plex table */
@ -789,6 +797,7 @@ free_plex(int plexno)
Free(plex->unmapped_region);
bzero(plex, sizeof(struct plex)); /* and clear it out */
plex->state = plex_unallocated;
vinum_conf.plexes_used--; /* one less plex */
}
/* Find an empty volume in the volume table */
@ -861,6 +870,7 @@ free_volume(int volno)
vol = &VOL[volno];
bzero(vol, sizeof(struct volume)); /* and clear it out */
vol->state = volume_unallocated;
vinum_conf.volumes_used--; /* one less volume */
}
/* Handle a drive definition. We store the information in the global variable

12
sys/dev/vinum/vinumconfig.c
View File

@ -44,7 +44,7 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: config.c,v 1.19 1998/10/05 02:48:15 grog Exp grog $
* $Id: config.c,v 1.20 1998/10/26 02:05:34 grog Exp grog $
*/
#define STATIC /* nothing while we're testing XXX */
@ -312,6 +312,12 @@ give_sd_to_plex(int plexno, int sdno)
} else /* first subdisk */
sd->plexoffset = 0; /* start at the beginning */
}
if (plex->subdisks == MAXSD) /* we already have our maximum */
throw_rude_remark(ENOSPC, /* crap out */
"Can't add %s to %s: plex full\n",
sd->name,
plex->name);
plex->subdisks++; /* another entry */
if (plex->subdisks >= plex->subdisks_allocated) /* need more space */
EXPAND(plex->sdnos, int, plex->subdisks_allocated, INITIAL_SUBDISKS_IN_PLEX);
@ -590,6 +596,7 @@ free_drive(struct drive *drive)
if (drive->vp != NULL) /* device open */
vn_close(drive->vp, FREAD | FWRITE, FSCRED, drive->p);
bzero(drive, sizeof(struct drive)); /* this also sets drive_unallocated */
vinum_conf.drives_used--; /* one less drive */
}
/* Find the named subdisk in vinum_conf.sd.
@ -707,6 +714,7 @@ free_sd(int sdno)
}
bzero(sd, sizeof(struct sd)); /* and clear it out */
sd->state = sd_unallocated;
vinum_conf.subdisks_used--; /* one less sd */
}
/* Find an empty plex in the plex table */
@ -789,6 +797,7 @@ free_plex(int plexno)
Free(plex->unmapped_region);
bzero(plex, sizeof(struct plex)); /* and clear it out */
plex->state = plex_unallocated;
vinum_conf.plexes_used--; /* one less plex */
}
/* Find an empty volume in the volume table */
@ -861,6 +870,7 @@ free_volume(int volno)
vol = &VOL[volno];
bzero(vol, sizeof(struct volume)); /* and clear it out */
vol->state = volume_unallocated;
vinum_conf.volumes_used--; /* one less volume */
}
/* Handle a drive definition. We store the information in the global variable