From: Michael Opdenacker <michael.opdenacker@xxxxxxxxxxx> Add a DEPRECATED keyword to the kernel parameter description, to warn users that this filesystem doesn't support dates beyond 2038. Signed-off-by: Michael Opdenacker <michael.opdenacker@xxxxxxxxxxx> --- fs/ext2/Kconfig | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/fs/ext2/Kconfig b/fs/ext2/Kconfig index 74d98965902e..49e4660ae436 100644 --- a/fs/ext2/Kconfig +++ b/fs/ext2/Kconfig @@ -1,16 +1,30 @@ # SPDX-License-Identifier: GPL-2.0-only config EXT2_FS - tristate "Second extended fs support" + tristate "Second extended fs support (DEPRECATED)" select BUFFER_HEAD select FS_IOMAP select LEGACY_DIRECT_IO help Ext2 is a standard Linux file system for hard disks. - To compile this file system support as a module, choose M here: the - module will be called ext2. + It is deprecated because even if the filesystem is created with + 256 byte inodes (mkfs.ext2 -I 256), the filesystem driver will stick + to 32 bit dates. Because of this, this filesystem does not support + dates beyond 03:14:07 UTC on 19 January 2038. - If unsure, say Y. + Ext2 users are advised to migrate their partitions to ext4: + + $ tune2fs -O extents,uninit_bg,dir_index,has_journal /dev/sda1 + $ e2fsck -pf /dev/sda1 + + Ext4 is also a working solution for very small partitions + as it can be created without a journal: + + $ mkfs.ext4 -O ^has_journal /dev/sda1 + + This code is kept as a simple reference for filesystem developers. + + If unsure, say N. config EXT2_FS_XATTR bool "Ext2 extended attributes" -- 2.34.1
