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osdep/hurd/getroot: Use "part:" qualifier

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When using userland drivers such as rumpdisk, we'd rather make ext2fs use
parted-based libstore partitioning support. That can be used for kernelland
drivers as well, so we can just make GRUB always use the "part:" qualifier
to switch ext2fs to it.

grub_util_find_hurd_root_device() then has to understand this syntax and
translate it into the /dev/ entry name.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Samuel Thibault authored and Daniel Kiper committed 2022-06-07 13:31:33 +02:00
1 parent d46e65328e
commit e981b0a248
2 files changed
+17 -5
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grub-core/osdep/hurd/getroot.c
+14 -4
View File
@@ -109,6 +109,16 @@ grub_util_find_hurd_root_device (const char *path)
grub_util_error (_("translator `%s' for path `%s' is given only options, " grub_util_error (_("translator `%s' for path `%s' is given only options, "
"cannot find device part"), argz, path); "cannot find device part"), argz, path);
int part = -1;
if (strncmp (name, "part:", sizeof ("part:") - 1) == 0)
{
char *next = strchr (name + sizeof ("part:") - 1, ':');
if (next)
{
part = atoi (name + sizeof ("part:") - 1);
name = next + 1;
}
}
if (strncmp (name, "device:", sizeof ("device:") - 1) == 0) if (strncmp (name, "device:", sizeof ("device:") - 1) == 0)
{ {
char *dev_name = name + sizeof ("device:") - 1; char *dev_name = name + sizeof ("device:") - 1;
@@ -127,10 +137,10 @@ grub_util_find_hurd_root_device (const char *path)
dev_name = next_name + 1; dev_name = next_name + 1;
} }
size = sizeof ("/dev/") - 1 + strlen (dev_name) + 1; if (part >= 0)
ret = xmalloc (size); ret = xasprintf("/dev/%ss%u", dev_name, part);
next = stpncpy (ret, "/dev/", size); else
stpncpy (next, dev_name, size - (next - ret)); ret = xasprintf("/dev/%s", dev_name);
} }
else if (!strncmp (name, "file:", sizeof ("file:") - 1)) else if (!strncmp (name, "file:", sizeof ("file:") - 1))
ret = strdup (name + sizeof ("file:") - 1); ret = strdup (name + sizeof ("file:") - 1);
util/grub.d/10_hurd.in
+3 -1
View File
@@ -128,9 +128,11 @@ EOF
else else
opts= opts=
fi fi
device=device:${GRUB_DEVICE#/dev/}
device=$(echo "$device" | sed -e 's/^device:\(.*[0-9]\+\)s\([0-9]\+\)$/part:\2:device:\1'/)
sed "s/^/$submenu_indentation/" << EOF sed "s/^/$submenu_indentation/" << EOF
echo '$(echo "$message" | grub_quote)' echo '$(echo "$message" | grub_quote)'
multiboot ${kernel} root=device:${GRUB_DEVICE#/dev/} $opts ${GRUB_CMDLINE_GNUMACH} multiboot ${kernel} root=$device $opts ${GRUB_CMDLINE_GNUMACH}
EOF EOF
if [ x$type != xrecovery ] ; then if [ x$type != xrecovery ] ; then