Add support for nbd protocol v3

[AGL/meta-agl.git] / meta-netboot / recipes-core / initramfs-netboot / files / init.sh

diff --git a/meta-netboot/recipes-core/initramfs-netboot/files/init.sh b/meta-netboot/recipes-core/initramfs-netboot/files/init.sh
index d31988f..2def28e 100644 (file)
--- a/meta-netboot/recipes-core/initramfs-netboot/files/init.sh
+++ b/meta-netboot/recipes-core/initramfs-netboot/files/init.sh
@@ -25,6 +25,7 @@ SMACK=n
 NBD_SERVER=
 NBD_PORT=10809
 NBD_DEV=/dev/nbd0
+NBD_NAMEV3=
 DEBUG=n
 
 # -------------------------------------------
@@ -76,6 +77,7 @@ for x in $(cat /proc/cmdline); do
                nbd.server=*) NBD_SERVER=${x/*=/};;
                nbd.port=*) NBD_PORT=${x/*=/};;
                nbd.dev=*)  NBD_DEV=/dev/${x/*=/};;
+               nbd.namev3=*) NBD_NAMEV3=${x/*=/};;
                nbd.debug=*) DEBUG=${x/*=/};;
        esac
 done
@@ -99,8 +101,13 @@ grep -q smackfs /proc/filesystems && {
 try=5
 while :;do
        log_info "Starting NBD client"
-       nbd-client $NBD_SERVER $NBD_PORT $NBD_DEV && { log_info "NBD client successfully started"; break; }
-       log_info "NBD client failed"
+       if [ -z "${NBD_NAMEV3}" ]; then
+               nbd-client $NBD_SERVER $NBD_PORT $NBD_DEV && { log_info "NBD client successfully started"; break; }
+               log_info "NBD client failed"
+       else
+               nbd3-client $NBD_SERVER $NBD_DEV --name $NBD_NAMEV3 && { log_info "NBD3 client successfully started"; break; }
+               log_info "NBDv3 client failed"
+       fi
        [[ $try -gt 0 ]] && { log_info "Retrying ($try trie(s) left)..."; sleep 3; try=$(( try - 1 )); continue; }
 
        bail_out "Unable to mount NBD device $NBD_DEV using server $NBD_SERVER:$NBD_PORT"