David Woodhouse wrote:
> On Sun, 2009-06-14 at 10:21 +0200, Marco wrote:
>> Mmm...MEM_MAJOR and RAMDISK_MAJOR have the same value and pramfs works
>> in memory. We could simply use /dev/null (there was an error in the
>> submitted kconfig description, my intention was to use /dev/mem). In
>> that case I can use UNNAMED_MAJOR. PRAMFS root option is not enabled
>> if it's already enabled the NFS one. What do you think?
>
> Why use a major number at all? See how we handle mtd and ubi devices in
> prepare_namespace() -- can't you do something similar?
>
Do you suggest me something similar? Why not. I though that mtd and ubi
were only special cases.
if (saved_root_name[0]) {
root_device_name = saved_root_name;
if (!strncmp(root_device_name, "mtd", 3) ||
!strncmp(root_device_name, "ubi", 3) ||
--------> !strncmp(root_device_name, "pram", 4)) {
mount_block_root(root_device_name, root_mountflags);
goto out;
}
ROOT_DEV = name_to_dev_t(root_device_name);
if (strncmp(root_device_name, "/dev/", 5) == 0)
root_device_name += 5;
}
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