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| author |   Oleksii Konoplitskyi <okonopli@cisco.com> | 2018-05-25 16:56:48 +0300 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2018-07-07 11:02:57 +0100 |
| commit | d1737f2dabac5e338061863c78a91b4c115365c7 (patch) | |
| tree | 5a8efb265a5b3a611bd5cb53e78cecacab22543d /meta/recipes-core/initrdscripts/initramfs-framework | |
| parent | 5c9c61250bb23fd5fd1c18e243cab0d80573b749 (diff) | |
| download | openembedded-core-contrib-d1737f2dabac5e338061863c78a91b4c115365c7.tar.gz | |
initramfs-framework: add nfsrootfs module
nfsrootfs module mounts rootfs via nfs parsing "nfsroot" and "ip" cmdline options.
Signed-off-by: Oleksii Konoplitskyi <okonopli@cisco.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-core/initrdscripts/initramfs-framework')
| -rw-r--r-- | meta/recipes-core/initrdscripts/initramfs-framework/nfsrootfs | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/nfsrootfs b/meta/recipes-core/initrdscripts/initramfs-framework/nfsrootfs new file mode 100644 index 0000000000..e67ee4c25d --- /dev/null +++ b/meta/recipes-core/initrdscripts/initramfs-framework/nfsrootfs @@ -0,0 +1,48 @@ +#!/bin/sh + +nfsrootfs_enabled() { + if [ ${bootparam_root} != "/dev/nfs" ] || [ -z ${bootparam_nfsroot} ]; then + return 1 + fi + return 0 +} + +nfsrootfs_run() { + local nfs_opts + local location + local flags + local server_ip + + nfs_opts="" + if [ "${bootparam_nfsroot#*,}" != "${bootparam_nfsroot}" ]; then + nfs_opts="-o ${bootparam_nfsroot#*,}" + fi + + location="${bootparam_nfsroot%%,*}" + if [ "${location#*:}" = "${location}" ]; then + # server-ip not given. Get server ip from ip option + server_ip="" + if [ "${bootparam_ip#*:}" != "${bootparam_ip}" ]; then + server_ip=$(echo "$bootparam_ip" | cut -d: -f2) + fi + + if [ -z "$server_ip" ]; then + fatal "Server IP is not set. Update ip or nfsroot options." + fi + location=${server_ip}:${location} + fi + + flags="-o nolock" + if [ -n "$bootparam_ro" ] && ! echo "$bootparam_rootflags" | grep -w -q "ro"; then + if [ -n "$bootparam_rootflags" ]; then + bootparam_rootflags="$bootparam_rootflags," + fi + bootparam_rootflags="${bootparam_rootflags}ro" + fi + if [ -n "$bootparam_rootflags" ]; then + flags="$flags -o $bootparam_rootflags" + fi + + mount -t nfs ${flags} ${nfs_opts} ${location} ${ROOTFS_DIR} +} + |