Date: Wed, 25 Mar 1998 22:51:24 +0900 (JST) From: matutaka@osa.att.ne.jp To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: bin/6129: Fsck's disk recognization algorithm is out of date. Message-ID: <199803251351.WAA00750@osa.att.ne.jp>
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>Number: 6129
>Category: bin
>Synopsis: Fsck's disk recognization algorithm is out of date.
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Mar 25 06:00:01 PST 1998
>Last-Modified:
>Originator: Yuichi MATSUTAKA
>Organization:
>Release: FreeBSD 2.2.5-RELEASE i386
>Environment:
FreeBSD 2.2.5-RELEASE #0: Tue Oct 21 14:33:00 GMT 1997
jkh@time.cdrom.com:/usr/src/sys/compile/GENERIC
>Description:
When multiple FreeBSD slices exist on one disk drive, fsck recognizes
each slice as separate disk drives. As a result, fsck -p checks each
slice concurrently. In addition, this causes kernel panic reported as
PR4265.
>How-To-Repeat:
Make multiple FreeBSD slices on one disk drive and describe these
slices in /etc/fstab.
>Fix:
Following patch makes fsck's disk recognization algorithm properly.
*** sbin/fsck/preen.c.orig Mon Oct 28 03:28:39 1996
--- sbin/fsck/preen.c Sat Mar 14 19:01:07 1998
***************
*** 206,217 ****
register char *p;
size_t len = 0;
! for (p = name + strlen(name) - 1; p >= name; --p)
! if (isdigit(*p)) {
! len = p - name + 1;
! break;
! }
! if (p < name)
len = strlen(name);
for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
--- 206,216 ----
register char *p;
size_t len = 0;
! if ((p = rindex(name, '/')) != 0) {
! while (*p && !isdigit(*p))
! p++;
! len = p - name;
! } else
len = strlen(name);
for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
>Audit-Trail:
>Unformatted:
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