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    SubjectRe: [PATCH 1/4] Add extended attributes to ext2/3
    On Tue, Oct 15, 2002 at 09:15:07AM -0400, Theodore Ts'o wrote:
    > Actually, I did, for those comments that made sense. The fs/
    > logic has been cleaned up, as well as removing excess header files,
    > stray LINUX_VERSION_CODE #ifdef's that I had missed the first time
    > around, etc.
    > fs/mbcache.c is still there because it applies to both ext2 and ext3
    > filesystems, and so your suggestion of moving it into the ext2 and
    > ext3 directories would cause code duplication and maintenance
    > headaches. It also *can* be used by other filesystems, as it is
    > written in a generic way. The fs/ only compiles it in if
    > necessary (i.e., if ext2/3 extended attribute is enabled) so it won't
    > cause code bloat for other filesystems if it is not needed.
    > The superblock fields are more of an issue with the posix acl changes
    > than for the extended attribute patches. I had wanted to get the
    > extended attribute changes in first, since they stand alone, and so I
    > have fewer patches to juggle.

    Patch 1: (all against 2.5.42-mm3):

    The xattr options must be dep_mbool to actually work, ext2 xattrs
    should depends on ext2, not ext3

    --- linux-2.5.42-mm3-plain/fs/ Tue Oct 15 17:05:08 2002
    +++ linux-2.5.42-mm3/fs/ Tue Oct 15 16:03:45 2002
    @@ -27,7 +27,7 @@
    dep_tristate 'BFS file system support (EXPERIMENTAL)' CONFIG_BFS_FS $CONFIG_EXPERIMENTAL

    tristate 'Ext3 journalling file system support' CONFIG_EXT3_FS
    -dep_bool ' Ext3 extended attributes' CONFIG_EXT3_FS_XATTR $CONFIG_EXT3_FS
    +dep_mbool ' Ext3 extended attributes' CONFIG_EXT3_FS_XATTR $CONFIG_EXT3_FS
    # CONFIG_JBD could be its own option (even modular), but until there are
    # other users than ext3, we will simply make it be the same as CONFIG_EXT3_FS
    # dep_tristate ' Journal Block Device support (JBD for ext3)' CONFIG_JBD $CONFIG_EXT3_FS
    @@ -97,7 +97,7 @@
    tristate 'ROM file system support' CONFIG_ROMFS_FS

    tristate 'Second extended fs support' CONFIG_EXT2_FS
    -dep_bool ' Ext2 extended attributes' CONFIG_EXT2_FS_XATTR $CONFIG_EXT3_FS
    +dep_mbool ' Ext2 extended attributes' CONFIG_EXT2_FS_XATTR $CONFIG_EXT2_FS

    tristate 'System V/Xenix/V7/Coherent file system support' CONFIG_SYSV_FS

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