> The problem is that even if DevFS is enabled, but not mounted,
> /proc/partitions is in DevFS format, and libfdisk doesn't like it.
Good spotting - devfs was the only thing I could imagine to blame here :-)
> See the function get_part_info in
> boot-floppies/utitlities/libfdisk/fdisk.c.
>
> I have a function to work around the problem for IDE disks, but it
> doens't handle SCSI at all:
>
> static void maybe_translate_devfs_name(char *name)
Doesn't this need to be char **name here? Just in case someone changes the
code below to assemble the new name in a different string ...
> {
> int is_ide = !strncmp("ide/", name, 4);
> /* If it's not a DevFS-style IDE or SCSI partition name, ignore it */
> if (is_ide || !(strncmp("scsi/", name, 5))) {
> int host, bus, target, lun;
> int len = strlen(name);
> int is_disc = len > 4 && !(strcmp(name+len-4, "disc"));
> char *partstr = "";
> if (is_disc)
> sscanf(name + is_ide ? 4 : 5, "host%d/bus%d/target%d/lun%d",
> &host, &bus, &target, &lun);
> else
> sscanf(name + is_ide ? 4 : 5, "host%d/bus%d/target%d/lun%d/part%s",
> &host, &bus, &target, &lun, &partstr);
>
> sprintf(name, "%cd%c%s", is_ide ? 'h' : 's',
> 97 + bus*2 + target,
> is_disc ? "" : partstr);
> }
> }
It might be easier to change the way the partition table is parsed
altogether - major and minor are also given in /proc/partition so
instead of going for the name string just use sd(minor/16 + 'a')(minor&15)
for the device name - hd(minor/64+'a')(minor&63) for IDE. You probably
want to use the macros from linux/blk.h for this if possible.
Michael
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