diff options
Diffstat (limited to 'modules.d/dnbd3-rootfs/hooks/s3-mount-root.sh')
| -rwxr-xr-x | modules.d/dnbd3-rootfs/hooks/s3-mount-root.sh | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/modules.d/dnbd3-rootfs/hooks/s3-mount-root.sh b/modules.d/dnbd3-rootfs/hooks/s3-mount-root.sh new file mode 100755 index 00000000..11ea46e3 --- /dev/null +++ b/modules.d/dnbd3-rootfs/hooks/s3-mount-root.sh @@ -0,0 +1,39 @@ +#!/bin/bash + +type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh + +source "/etc/openslx" + +cnt=0 +while ! [ -b "$SLX_DNBD3_DEVICE_COW" ] \ + || ! [ "$( blockdev --getsize64 "$SLX_DNBD3_DEVICE_COW" 2> /dev/null )" -gt 0 ]; do + (( ++cnt > 20 )) && break + (( cnt % 5 == 0 )) && echo "Waiting for block device...." + usleep 100000 + (( cnt > 10 )) && udevadm trigger && udevadm settle +done + +ret=99 +if [ -n "$SLX_MOUNT_ROOT_OPTIONS" ]; then + # Always prefer mount options mandated by server + mount "$SLX_DNBD3_DEVICE_COW" "$NEWROOT" $SLX_MOUNT_ROOT_OPTIONS + ret=$? +else + # Let's guess it's ext4, tune for maximum performance as we don't care about recoverability + mount "$SLX_DNBD3_DEVICE_COW" "$NEWROOT" -o data=writeback,barrier=0,commit=60,noinit_itable,discard,noatime + ret=$? + if (( ret != 0 )); then + # Just try with no options and hope for the best... + mount "$SLX_DNBD3_DEVICE_COW" "$NEWROOT" + ret=$? + fi +fi + +(( ret != 0 )) && exit $ret + +if [ -n "$SLX_GENERATE_FSTAB_SCRIPT" ]; then + eval "$SLX_GENERATE_FSTAB_SCRIPT" +else + echo "" > "$NEWROOT/etc/fstab" +fi +true |