On Friday February 27, neilb@cse.unsw.edu.au wrote:
>
> Right. I missed a bit in the patch.
> (I assume you are still wanting to boot off /dev/sda until you copy
> the data into /dev/md/d0p* - then you will use root=/dev/md_d0p1)
Sorry, that patch was wrong.
This one, ontop of the original patch, works for me (I finally got
around to testing it).
NeilBrown
----------- Diffstat output ------------
./drivers/md/md.c | 2 +-
./init/do_mounts_md.c | 9 ++++++++-
2 files changed, 9 insertions(+), 2 deletions(-)
diff ./drivers/md/md.c~current~ ./drivers/md/md.c
--- ./drivers/md/md.c~current~ 2004-02-26 10:17:05.000000000 +1100
+++ ./drivers/md/md.c 2004-02-27 12:06:31.000000000 +1100
@@ -1450,7 +1450,7 @@ abort:
return 1;
}
-static int mdp_major = 0;
+int mdp_major = 0;
static struct kobject *md_probe(dev_t dev, int *part, void *data)
{
diff ./init/do_mounts_md.c~current~ ./init/do_mounts_md.c
--- ./init/do_mounts_md.c~current~ 2004-02-26 10:15:07.000000000 +1100
+++ ./init/do_mounts_md.c 2004-02-27 12:09:29.000000000 +1100
@@ -24,6 +24,7 @@ static struct {
static int md_setup_ents __initdata;
+extern int mdp_major;
/*
* Parse the command-line parameters given our kernel, but do not
* actually try to invoke the MD device now; that is handled by
@@ -115,6 +116,8 @@ static int __init md_setup(char *str)
return 1;
}
+#define MdpMinorShift 6
+
static void __init md_setup_drive(void)
{
int minor, i, ent, partitioned;
@@ -134,7 +137,11 @@ static void __init md_setup_drive(void)
sprintf(name, "/dev/md%s%d", partitioned?"_d":"", minor);
sprintf(devfs_name, "/dev/md/%s%d", partitioned?"d":"", minor);
- create_dev(name, MKDEV(MD_MAJOR, minor), devfs_name);
+ if (partitioned)
+ dev = MKDEV(mdp_major, minor << MdpMinorShift);
+ else
+ dev = MKDEV(MD_MAJOR, minor);
+ create_dev(name, dev, devfs_name);
for (i = 0; i < MD_SB_DISKS && devname != 0; i++) {
char *p;
char comp_name[64];
-
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