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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2015-09-24 18:13:14 +0200 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2015-09-24 19:59:44 +0200 |
commit | 9d92bd7845a0fcf895a1e7c4ae95c908be673060 (patch) | |
tree | a5c0990def36969e3bc19d4aa9fc97f7dadcc846 /nixos/modules/tasks/filesystems.nix | |
parent | f40c7ed1435d9507868337ae7509fe6d0392498b (diff) | |
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Add filesystem option to automatically grow to the maximum size
This is primarily for EC2 and other cloud environments, where the disk may be bigger than the original image.
Diffstat (limited to 'nixos/modules/tasks/filesystems.nix')
-rw-r--r-- | nixos/modules/tasks/filesystems.nix | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/nixos/modules/tasks/filesystems.nix b/nixos/modules/tasks/filesystems.nix index ab64106f3533..9dd250f140ce 100644 --- a/nixos/modules/tasks/filesystems.nix +++ b/nixos/modules/tasks/filesystems.nix @@ -7,7 +7,7 @@ let fileSystems = attrValues config.fileSystems; - prioOption = prio: optionalString (prio !=null) " pri=${toString prio}"; + prioOption = prio: optionalString (prio != null) " pri=${toString prio}"; fileSystemOpts = { name, config, ... }: { @@ -43,7 +43,7 @@ let options = mkOption { default = "defaults"; example = "data=journal"; - type = types.commas; + type = types.commas; # FIXME: should be a list description = "Options used to mount the file system."; }; @@ -58,6 +58,17 @@ let ''; }; + autoResize = mkOption { + default = false; + type = types.bool; + description = '' + If set, the filesystem is grown to its maximum size before + being mounted. (This is typically the size of the containing + partition.) This is currently only supported for ext2/3/4 + filesystems that are mounted during early boot. + ''; + }; + noCheck = mkOption { default = false; type = types.bool; @@ -69,6 +80,7 @@ let config = { mountPoint = mkDefault name; device = mkIf (config.fsType == "tmpfs") (mkDefault config.fsType); + options = mkIf config.autoResize "x-nixos.autoresize"; }; }; |