diff options
| -rw-r--r-- | archiso/initcpio/hooks/archiso | 10 | ||||
| -rw-r--r-- | docs/README.bootparams | 14 |
2 files changed, 13 insertions, 11 deletions
diff --git a/archiso/initcpio/hooks/archiso b/archiso/initcpio/hooks/archiso index 9d38f07..fcfe820 100644 --- a/archiso/initcpio/hooks/archiso +++ b/archiso/initcpio/hooks/archiso @@ -17,7 +17,7 @@ _mnt_dmsnapshot() { msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow', using as persistent." else msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as persistent." - truncate -s "${cowfile_size}" "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" + truncate -s "${cow_spacesize}" "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" fi else if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then @@ -25,7 +25,7 @@ _mnt_dmsnapshot() { rm -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" fi msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as non-persistent." - truncate -s "${cowfile_size}" "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" + truncate -s "${cow_spacesize}" "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" fi rw_dev=$(losetup --find --show "/run/archiso/cowspace/${cow_directory}/${img_name}.cow") @@ -110,7 +110,7 @@ run_hook() { [[ -z "${archisobasedir}" ]] && archisobasedir="arch" [[ -z "${dm_snap_prefix}" ]] && dm_snap_prefix="arch" [[ -z "${archisodevice}" ]] && archisodevice="/dev/disk/by-label/${archisolabel}" - [[ -z "${cowfile_size}" ]] && cowfile_size="256M" + [[ -z "${cow_spacesize}" ]] && cow_spacesize="256M" if [[ -n "${cow_label}" ]]; then cow_device="/dev/disk/by-label/${cow_label}" @@ -168,9 +168,9 @@ archiso_mount_handler() { echo $(readlink -f ${cow_device}) >> /run/archiso/used_block_devices mount -o remount,rw "/run/archiso/cowspace" else - msg ":: Mounting /run/archiso/cowspace (tmpfs) filesystem, size=${cowfile_size}..." + msg ":: Mounting /run/archiso/cowspace (tmpfs) filesystem, size=${cow_spacesize}..." mkdir -p /run/archiso/cowspace - mount -t tmpfs -o "size=${cowfile_size}",mode=0755 cowspace /run/archiso/cowspace + mount -t tmpfs -o "size=${cow_spacesize}",mode=0755 cowspace /run/archiso/cowspace fi mkdir -p "/run/archiso/cowspace/${cow_directory}" diff --git a/docs/README.bootparams b/docs/README.bootparams index 4c324f2..356375d 100644 --- a/docs/README.bootparams +++ b/docs/README.bootparams @@ -30,17 +30,18 @@ INDEX performs a self-test of all files inside ${install_dir}, and continue booting if ok. Default: (unset) -* cow_label= Set the filesystem label where COW (dm-snapshot) - file must be stored. +* cow_label= Set the filesystem label where COW file (for dm-snapshot) + or upperdir/workdir files (for overlayfs) must be stored. Default: (unset) -* cow_device= Set the device node where COW (dm-snapshot) file - must be stored. +* cow_device= Like cow_label= but using device node. Default: (unset) or "/dev/disk/by-label/${cow_label}" * cow_directory= Set a directory inside ${cow_device}. Default: "/persistent_${archisolabel}/${arch}" * cow_persistent= Set if snapshot is persistent "P" or non-persistent "N". + Only used for dm-snapshot mode, ignored for overlayfs. Default: "N" (if no ${cow_device} is used) otherwise "P". -* cowfile_size= Set the size for COW file (dm-snapshot). +* cow_spacesize= Set the size for COW space (tmpfs). Valid for both + dm-snapshot and overlayfs mode. The argument is an integer and optional unit. Units are M,G (powers of 1024). Default: "256M" @@ -52,7 +53,8 @@ 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. +* dm_snap_prefix= Set a prefix for dm-snapshot node names. + Only used for dm-snapshot mode, ignored for overlayfs. Default: "arch" * arch= Force an architecture type (i686 | x86_64). Do not set it for normal operations. |