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authorDave Reisner <d@falconindy.com>2011-06-04 18:42:03 +0200
committerDave Reisner <d@falconindy.com>2011-06-07 20:38:43 +0200
commitacf51fb86ff05643f642aaf9588eff8dd3ba88fe (patch)
treed08ea7f8141ccc1edebb04cf5d416e252dadd1ce /init_functions
parentc6c455b941ce7fc12d099cb0ea79ec157ead38e0 (diff)
downloadmkinitcpio-acf51fb86ff05643f642aaf9588eff8dd3ba88fe.tar.gz
mkinitcpio-acf51fb86ff05643f642aaf9588eff8dd3ba88fe.tar.xz
init_functions: support {LABEL,UUID}= syntax
use blkid to resolve a tag name to a block device. Signed-off-by: Dave Reisner <d@falconindy.com>
Diffstat (limited to 'init_functions')
-rw-r--r--init_functions9
1 files changed, 9 insertions, 0 deletions
diff --git a/init_functions b/init_functions
index be3599e..d9ffe4a 100644
--- a/init_functions
+++ b/init_functions
@@ -73,6 +73,15 @@ parse_cmdline() {
}
default_mount_handler() {
+ # resolve tag name to block device
+ if [ "${root:0:5}" = 'UUID=' ] || [ "${root:0:6}" = 'LABEL=' ]; then
+ device=$(blkid -t "$root" -o device)
+ if [ -n "$device" ]; then
+ root=$device
+ fi
+ unset device
+ fi
+
if [ ${root:0:5} != "/dev/" ] || ! poll_device "${root}" ${rootdelay}; then
msg "Root device '${root}' doesn't exist. Attempting to create it."
major=""