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| author | Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar> | 2011-08-09 16:28:52 -0300 |
|---|---|---|
| committer | Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar> | 2011-08-09 16:28:52 -0300 |
| commit | 57d2ea1f4b3445a2815f6c4e3f49f2ad7209c87e (patch) | |
| tree | 27edbe98319f349f3a231830b1abe877c6e9a5d2 | |
| parent | b3f918ee602fa39b9437f57b3fc816bdff2ee44a (diff) | |
| download | archiso32-57d2ea1f4b3445a2815f6c4e3f49f2ad7209c87e.tar.xz | |
[archiso] Add dm_snap_prefix= boot param.
Default value is "arch". This implies that all device mapper node
for snapshot devices will be for example: arch_root-image.
This helps AIF to hidden these devices from "Device Configuration".
Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
| -rw-r--r-- | README | 2 | ||||
| -rw-r--r-- | archiso/hooks/archiso | 10 |
2 files changed, 8 insertions, 4 deletions
@@ -43,6 +43,8 @@ INDEX Size is in bytes (suffix with "k", "m" and "g") or in percentage of available RAM. Default: "75%" +* dm_snap_prefix= Set a prefix for device-mapper snapshot node names. + Default: "arch" * arch= Force an architecture type (i686 | x86_64). Do not set it for normal operations. Useful for running a 64 bit kernel / 32 bit userspace. diff --git a/archiso/hooks/archiso b/archiso/hooks/archiso index 7e2997a..66dbafd 100644 --- a/archiso/hooks/archiso +++ b/archiso/hooks/archiso @@ -29,6 +29,7 @@ _mnt_fs() { local mnt="${2}" local img_fullname="${img##*/}"; local img_name="${img_fullname%%.*}" + local dm_snap_name="${dm_snap_prefix}_${img_name}" local ro_dev ro_dev_size ro_dev_fs_type rw_dev mkdir -p "${mnt}" @@ -42,11 +43,11 @@ _mnt_fs() { _next_loop_dev rw_dev=$(_make_loop_dev "/cowspace/${img_name}.cow") - echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} N 8" | dmsetup create ${img_name} + echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} N 8" | dmsetup create ${dm_snap_name} - msg ":: Mounting '/dev/mapper/${img_name}' (${ro_dev_fs_type}) to '${mnt}'" - if ! mount -t "${ro_dev_fs_type}" "/dev/mapper/${img_name}" "${mnt}" ; then - echo "ERROR: while mounting '/dev/mapper/${img_name}' to '${mnt}'" + msg ":: Mounting '/dev/mapper/${dm_snap_name}' (${ro_dev_fs_type}) to '${mnt}'" + if ! mount -t "${ro_dev_fs_type}" "/dev/mapper/${dm_snap_name}" "${mnt}" ; then + echo "ERROR: while mounting '/dev/mapper/${dm_snap_name}' to '${mnt}'" launch_interactive_shell fi } @@ -81,6 +82,7 @@ run_hook() { [[ -z "${cowspace_size}" ]] && cowspace_size="75%" [[ -z "${copytoram_size}" ]] && copytoram_size="75%" [[ -z "${archisobasedir}" ]] && archisobasedir="arch" + [[ -z "${dm_snap_prefix}" ]] && dm_snap_prefix="arch" [[ -z "${archisodevice}" ]] && archisodevice="/dev/disk/by-label/${archisolabel}" if [[ -z "${aitab}" ]]; then aitab="/bootmnt/${archisobasedir}/aitab" |