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Subject[: ROOT NFS fixes now for -pre9]

Just a reminder, because I got no reply whatsoever ...

------------------------------------------------------------
I'm sure you're a busy man, but please have a look at
the attached patch, which addresses the root=/dev/wossname
issue, when ROOT_NFS is configured. IMHO this is a NFS only
issue, and fixes an erroneous behaviour.

if it seems okay to you, please let Marcelo know,
so he could add this patch to the next -pre kernel

MTIA,
Herbert

PS: I hope this will make it into 2.4.22-pre9 ...


diff -NurbP --minimal linux-2.4.22-pre7/fs/nfs/nfsroot.c linux-2.4.22-pre7-fix/fs/nfs/nfsroot.c
--- linux-2.4.22-pre7/fs/nfs/nfsroot.c 2003-06-13 16:51:37.000000000 +0200
+++ linux-2.4.22-pre7-fix/fs/nfs/nfsroot.c 2003-07-21 22:15:12.000000000 +0200
@@ -305,7 +305,7 @@
*/
int __init nfs_root_setup(char *line)
{
- ROOT_DEV = MKDEV(UNNAMED_MAJOR, 255);
+ ROOT_DEV = MKDEV(NFS_MAJOR, NFS_MINOR);
if (line[0] == '/' || line[0] == ',' || (line[0] >= '0' && line[0] <= '9')) {
strncpy(nfs_root_name, line, sizeof(nfs_root_name));
nfs_root_name[sizeof(nfs_root_name)-1] = '\0';
diff -NurbP --minimal linux-2.4.22-pre7/include/linux/nfs.h linux-2.4.22-pre7-fix/include/linux/nfs.h
--- linux-2.4.22-pre7/include/linux/nfs.h 2000-04-01 18:04:27.000000000 +0200
+++ linux-2.4.22-pre7-fix/include/linux/nfs.h 2003-07-21 22:13:12.000000000 +0200
@@ -30,6 +30,9 @@
#define NFS_MNT_PROGRAM 100005
#define NFS_MNT_PORT 627

+#define NFS_MAJOR UNNAMED_MAJOR
+#define NFS_MINOR 0xff
+
/*
* NFS stats. The good thing with these values is that NFSv3 errors are
* a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
diff -NurbP --minimal linux-2.4.22-pre7/init/do_mounts.c linux-2.4.22-pre7-fix/init/do_mounts.c
--- linux-2.4.22-pre7/init/do_mounts.c 2003-07-19 14:14:31.000000000 +0200
+++ linux-2.4.22-pre7-fix/init/do_mounts.c 2003-07-21 22:13:12.000000000 +0200
@@ -88,7 +88,7 @@
const char *name;
const int num;
} root_dev_names[] __initdata = {
- { "nfs", 0x00ff },
+ { "nfs", MKDEV(NFS_MAJOR, NFS_MINOR) },
{ "hda", 0x0300 },
{ "hdb", 0x0340 },
{ "loop", 0x0700 },
@@ -759,7 +759,8 @@
static void __init mount_root(void)
{
#ifdef CONFIG_ROOT_NFS
- if (MAJOR(ROOT_DEV) == UNNAMED_MAJOR) {
+ if (MAJOR(ROOT_DEV) == NFS_MAJOR
+ && MINOR(ROOT_DEV) == NFS_MINOR) {
if (mount_nfs_root()) {
sys_chdir("/root");
ROOT_DEV = current->fs->pwdmnt->mnt_sb->s_dev;
diff -NurbP --minimal linux-2.4.22-pre7/net/ipv4/ipconfig.c linux-2.4.22-pre7-fix/net/ipv4/ipconfig.c
--- linux-2.4.22-pre7/net/ipv4/ipconfig.c 2003-07-19 14:14:31.000000000 +0200
+++ linux-2.4.22-pre7-fix/net/ipv4/ipconfig.c 2003-07-21 22:15:50.000000000 +0200
@@ -1234,7 +1234,7 @@
* -- Chip
*/
#ifdef CONFIG_ROOT_NFS
- if (ROOT_DEV == MKDEV(UNNAMED_MAJOR, 255)) {
+ if (ROOT_DEV == MKDEV(NFS_MAJOR, NFS_MINOR)) {
printk(KERN_ERR
"IP-Config: Retrying forever (NFS root)...\n");
goto try_try_again;


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