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authorGerardo Exequiel Pozzi <vmlinuz386@gmail.com>2015-01-27 14:37:05 -0300
committerGerardo Exequiel Pozzi <vmlinuz386@gmail.com>2015-01-27 14:37:05 -0300
commit9322a0d3b7360f47339e98533a1bcbec321921f4 (patch)
treec1cae09a3dd4b58d721e8d946e7fa20c4d195f7c /docs/README.bootparams
parenta637bdb8574168ab4cddef13d5de7f458650bda5 (diff)
[archiso] Rename cowfile_size to cow_spacesize=
The name is more relevant since the usage is shared for both dm-snapshot and overlayfs. Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
Diffstat (limited to 'docs/README.bootparams')
-rw-r--r--docs/README.bootparams14
1 files changed, 8 insertions, 6 deletions
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.