Commit c8962f4b authored by Jan Kara's avatar Jan Kara

ext4: Improve ext4 Kconfig test

Now that ext4 driver must be used to access ext3 filesystems, improve
the Kconfig help text to better explain that using ext4 driver to access
the filesystem is fully compatible with the old ext3 driver.
Acked-by: default avatarTheodore Ts'o <tytso@mit.edu>
Signed-off-by: default avatarJan Kara <jack@suse.com>
parent a3ad0a9d
...@@ -49,12 +49,13 @@ config EXT4_FS ...@@ -49,12 +49,13 @@ config EXT4_FS
up fsck time. For more information, please see the web pages at up fsck time. For more information, please see the web pages at
http://ext4.wiki.kernel.org. http://ext4.wiki.kernel.org.
The ext4 filesystem will support mounting an ext3 The ext4 filesystem supports mounting an ext3 filesystem; while there
filesystem; while there will be some performance gains from are some performance gains from the delayed allocation and inode
the delayed allocation and inode table readahead, the best table readahead, the best performance gains require enabling ext4
performance gains will require enabling ext4 features in the features in the filesystem using tune2fs, or formatting a new
filesystem, or formatting a new filesystem as an ext4 filesystem as an ext4 filesystem initially. Without explicit enabling
filesystem initially. 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 To compile this file system support as a module, choose M here. The
module will be called ext4. module will be called ext4.
......
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