Date: Sat, 26 May 2001 22:29:44 -0700 From: "George W. Dinolt" <gdinolt@pacbell.net> To: freebsd-stable@freebsd.org Cc: jkh@freebsd.org Subject: Kernel Build Failure in kern/subr_disk.c Message-ID: <3B1090C8.B4FF2156@pacbell.net>
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sys/kern/subr_disk.c was updated May 26. The update seems to have
caused a problem. I get the following when trying to
compile this file as part of a buildkernel:
cc -c -O -pipe -march=k6 -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual -fformat-extensions -ansi -nostdinc -I- -I. -I/usr/src/sys
-I/usr/src/sys/../include -D_KERNEL -include opt_global.h -elf
-mpreferred-stack-boundary=2 /usr/src/sys/kern/subr_disk.c
/usr/src/sys/kern/subr_disk.c: In function `disk_create':
/usr/src/sys/kern/subr_disk.c:75: structure has no member named `d_list'
/usr/src/sys/kern/subr_disk.c:75: structure has no member named `d_list'
/usr/src/sys/kern/subr_disk.c:75: structure has no member named `d_list'
/usr/src/sys/kern/subr_disk.c:75: structure has no member named `d_list'
/usr/src/sys/kern/subr_disk.c: In function `disk_destroy':
/usr/src/sys/kern/subr_disk.c:116: structure has no member named
`d_list'
/usr/src/sys/kern/subr_disk.c:116: structure has no member named
`d_list'
/usr/src/sys/kern/subr_disk.c:116: structure has no member named
`d_list'
/usr/src/sys/kern/subr_disk.c:116: structure has no member named
`d_list'
/usr/src/sys/kern/subr_disk.c:116: structure has no member named
`d_list'
/usr/src/sys/kern/subr_disk.c: In function `disk_enumerate':
/usr/src/sys/kern/subr_disk.c:129: structure has no member named
`d_list'
/usr/src/sys/kern/subr_disk.c:130: warning: control reaches end of
non-void function
After some investigation, it appears that subr_disk.c now uses a LIST.
The code for initializing and maintaining a "disklist" is now in this
routine, but there is no LIST_ENTRY in the disk structure in
sys/include/disk.h. Patching the file as follows (taken from -current)
seems to fix the
compilation problem and generates a kernel that at least works for me. I
am not sure what effects this change will have on userland.
--- disk.h.orig Sat May 26 21:38:19 2001
+++ disk.h Sat May 26 21:39:48 2001
@@ -28,6 +28,7 @@
dev_t d_dev;
struct diskslices *d_slice;
struct disklabel d_label;
+ LIST_ENTRY(disk) d_list;
};
#define DISKFLAG_LOCK 0x1
This change may cause other problems, but someone much more
knowledgeable than I should look at this.
--
G. Dinolt
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