diff options
Diffstat (limited to 'fs/ext4/Kconfig')
| -rw-r--r-- | fs/ext4/Kconfig | 56 |
1 files changed, 45 insertions, 11 deletions
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig index bf8bc8aba..b46e9fc64 100644 --- a/fs/ext4/Kconfig +++ b/fs/ext4/Kconfig @@ -1,5 +1,38 @@ +# Ext3 configs are here for backward compatibility with old configs which may +# have EXT3_FS set but not EXT4_FS set and thus would result in non-bootable +# kernels after the removal of ext3 driver. +config EXT3_FS + tristate "The Extended 3 (ext3) filesystem" + # These must match EXT4_FS selects... + select EXT4_FS + select JBD2 + select CRC16 + select CRYPTO + select CRYPTO_CRC32C + help + This config option is here only for backward compatibility. ext3 + filesystem is now handled by the ext4 driver. + +config EXT3_FS_POSIX_ACL + bool "Ext3 POSIX Access Control Lists" + depends on EXT3_FS + select EXT4_FS_POSIX_ACL + select FS_POSIX_ACL + help + This config option is here only for backward compatibility. ext3 + filesystem is now handled by the ext4 driver. + +config EXT3_FS_SECURITY + bool "Ext3 Security Labels" + depends on EXT3_FS + select EXT4_FS_SECURITY + help + This config option is here only for backward compatibility. ext3 + filesystem is now handled by the ext4 driver. + config EXT4_FS tristate "The Extended 4 (ext4) filesystem" + # Please update EXT3_FS selects when changing these select JBD2 select CRC16 select CRYPTO @@ -16,26 +49,27 @@ config EXT4_FS up fsck time. For more information, please see the web pages at http://ext4.wiki.kernel.org. - The ext4 filesystem will support mounting an ext3 - filesystem; while there will be some performance gains from - the delayed allocation and inode table readahead, the best - performance gains will require enabling ext4 features in the - filesystem, or formatting a new filesystem as an ext4 - filesystem initially. + The ext4 filesystem supports mounting an ext3 filesystem; while there + are some performance gains from the delayed allocation and inode + table readahead, the best performance gains require enabling ext4 + features in the filesystem using tune2fs, or formatting a new + filesystem as an ext4 filesystem initially. Without explicit enabling + of ext4 features, the on disk filesystem format stays fully backward + compatible. To compile this file system support as a module, choose M here. The module will be called ext4. If unsure, say N. -config EXT4_USE_FOR_EXT23 - bool "Use ext4 for ext2/ext3 file systems" +config EXT4_USE_FOR_EXT2 + bool "Use ext4 for ext2 file systems" depends on EXT4_FS - depends on EXT3_FS=n || EXT2_FS=n + depends on EXT2_FS=n default y help - Allow the ext4 file system driver code to be used for ext2 or - ext3 file system mounts. This allows users to reduce their + Allow the ext4 file system driver code to be used for ext2 + file system mounts. This allows users to reduce their compiled kernel size by using one file system driver for ext2, ext3, and ext4 file systems. |