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Bail if rf_numParityRegions is not > 0. Cleanup a comment.

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oster 2000-01-08 05:13:26 +00:00
parent e9c36a5c33
commit 23864e9422
1 changed files with 20 additions and 12 deletions
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32
sys/dev/raidframe/rf_paritylogging.c
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@ -1,4 +1,4 @@
/* $NetBSD: rf_paritylogging.c,v 1.4 2000/01/05 02:57:29 oster Exp $ */
/* $NetBSD: rf_paritylogging.c,v 1.5 2000/01/08 05:13:26 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
@ -81,6 +81,9 @@ rf_ConfigureParityLogging(
RF_ParityLog_t *l = NULL, *next;
caddr_t lHeapPtr;
if (rf_numParityRegions <= 0)
return(EINVAL);
/*
* We create multiple entries on the shutdown list here, since
* this configuration routine is fairly complicated in and of
@ -127,18 +130,23 @@ rf_ConfigureParityLogging(
/* configure parity log parameters
*
* parameter comment/constraints ----------------
* ------------------- numParityRegions all regions (except
* possibly last) of equal size totalInCoreLogCapacity amount of
* memory in bytes available for in-core logs (default 1 MB) #
* numSectorsPerLog capacity of an in-core log in sectors (1
* disk track) numParityLogs total number of in-core logs,
* should be at least numParityRegions regionLogCapacity size of
* a region log (except possibly last one) in sectors totalLogCapacity
* total amount of log space in sectors
* parameter comment/constraints
* -------------------------------------------
* numParityRegions* all regions (except possibly last)
* of equal size
* totalInCoreLogCapacity* amount of memory in bytes available
* for in-core logs (default 1 MB)
* numSectorsPerLog# capacity of an in-core log in sectors
* (1 * disk track)
* numParityLogs total number of in-core logs,
* should be at least numParityRegions
* regionLogCapacity size of a region log (except possibly
* last one) in sectors
* totalLogCapacity total amount of log space in sectors
*
* denotes a user settable parameter. # logs are fixed to be the size of
* a disk track, value #defined in rf_paritylog.h
* where '*' denotes a user settable parameter.
* Note that logs are fixed to be the size of a disk track,
* value #defined in rf_paritylog.h
*
*/