int
rf_ConfigureDiskQueues(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr,
RF_Config_t *cfgPtr)
{
RF_DiskQueue_t *diskQueues, *spareQueues;
const RF_DiskQueueSW_t *p;
RF_RowCol_t r,c;
int rc, i;
raidPtr->maxQueueDepth = cfgPtr->maxOutstandingDiskReqs;
for (p = NULL, i = 0; i < NUM_DISK_QUEUE_TYPES; i++) {
if (!strcmp(diskqueuesw[i].queueType, cfgPtr->diskQueueType)) {
p = &diskqueuesw[i];
break;
}
}
if (p == NULL) {
RF_ERRORMSG2("Unknown queue type \"%s\". Using %s\n", cfgPtr->diskQueueType, diskqueuesw[0].queueType);
p = &diskqueuesw[0];
}
raidPtr->qType = p;
RF_MallocAndAdd(diskQueues,
(raidPtr->numCol + RF_MAXSPARE) *
sizeof(RF_DiskQueue_t), (RF_DiskQueue_t *),
raidPtr->cleanupList);
if (diskQueues == NULL)
return (ENOMEM);
raidPtr->Queues = diskQueues;
for (c = 0; c < raidPtr->numCol; c++) {
rc = rf_ConfigureDiskQueue(raidPtr, &diskQueues[c],
c, p,
raidPtr->sectorsPerDisk,
raidPtr->Disks[c].dev,
cfgPtr->maxOutstandingDiskReqs,
listp, raidPtr->cleanupList);
if (rc)
return (rc);
}
spareQueues = &raidPtr->Queues[raidPtr->numCol];
for (r = 0; r < raidPtr->numSpare; r++) {
rc = rf_ConfigureDiskQueue(raidPtr, &spareQueues[r],
raidPtr->numCol + r, p,
raidPtr->sectorsPerDisk,
raidPtr->Disks[raidPtr->numCol + r].dev,
cfgPtr->maxOutstandingDiskReqs, listp,
raidPtr->cleanupList);
if (rc)
return (rc);
}
return (0);
}
int
rf_add_hot_spare(RF_Raid_t *raidPtr, RF_SingleComponent_t *sparePtr)
{
RF_RaidDisk_t *disks;
RF_DiskQueue_t *spareQueues;
int ret;
unsigned int bs;
int spare_number;
#if 0
printf("Just in rf_add_hot_spare: %d.\n", raidPtr->numSpare);
printf("Num col: %d.\n", raidPtr->numCol);
#endif
if (raidPtr->numSpare >= RF_MAXSPARE) {
RF_ERRORMSG1("Too many spares: %d.\n", raidPtr->numSpare);
return(EINVAL);
}
RF_LOCK_MUTEX(raidPtr->mutex);
/* The beginning of the spares... */
disks = &raidPtr->Disks[0][raidPtr->numCol];
spare_number = raidPtr->numSpare;
ret = rf_ConfigureDisk(raidPtr, sparePtr->component_name,
&disks[spare_number], 0, raidPtr->numCol + spare_number);
if (ret)
goto fail;
if (disks[spare_number].status != rf_ds_optimal) {
RF_ERRORMSG1("Warning: spare disk %s failed TUR.\n",
sparePtr->component_name);
ret = EINVAL;
goto fail;
} else {
disks[spare_number].status = rf_ds_spare;
DPRINTF6("Spare Disk %d: dev %s numBlocks %ld blockSize %d"
" (%ld MB).\n", spare_number, disks[spare_number].devname,
(long int) disks[spare_number].numBlocks,
disks[spare_number].blockSize,
(long int) disks[spare_number].numBlocks *
disks[spare_number].blockSize / 1024 / 1024);
}
/* Check sizes and block sizes on the spare disk. */
bs = 1 << raidPtr->logBytesPerSector;
if (disks[spare_number].blockSize != bs) {
RF_ERRORMSG3("Block size of %d on spare disk %s is not"
" the same as on other disks (%d).\n",
disks[spare_number].blockSize,
disks[spare_number].devname, bs);
ret = EINVAL;
goto fail;
}
if (disks[spare_number].numBlocks < raidPtr->sectorsPerDisk) {
RF_ERRORMSG3("Spare disk %s (%llu blocks) is too small to serve"
" as a spare (need %llu blocks).\n",
disks[spare_number].devname, disks[spare_number].numBlocks,
raidPtr->sectorsPerDisk);
ret = EINVAL;
goto fail;
} else {
if (disks[spare_number].numBlocks >
raidPtr->sectorsPerDisk) {
RF_ERRORMSG2("Warning: truncating spare disk %s to %llu"
" blocks.\n", disks[spare_number].devname,
raidPtr->sectorsPerDisk);
disks[spare_number].numBlocks = raidPtr->sectorsPerDisk;
}
}
spareQueues = &raidPtr->Queues[0][raidPtr->numCol];
ret = rf_ConfigureDiskQueue(raidPtr, &spareQueues[spare_number],
0, raidPtr->numCol + spare_number, raidPtr->qType,
raidPtr->sectorsPerDisk, raidPtr->Disks[0][raidPtr->numCol +
spare_number].dev, raidPtr->maxOutstanding,
&raidPtr->shutdownList, raidPtr->cleanupList);
raidPtr->numSpare++;
RF_UNLOCK_MUTEX(raidPtr->mutex);
return (0);
fail:
RF_UNLOCK_MUTEX(raidPtr->mutex);
return(ret);
}
