On 7/17/06, Dan Nicholson <[EMAIL PROTECTED]> wrote:
On 7/17/06, George Gowers <[EMAIL PROTECTED]> wrote:
>
> I think that this note in the book should be updated to show that the
> has_journal output is expected, as it should be with an ext3 filesystem.

Good point, George. I think this happened because the book just
switched recently from telling people to create an ext2 filesytem to
ext3 and the debugging commands weren't updated.  I'll get this guy
fixed up soon.

Before I fix this up, I decided to actually see what features are
present (i.e., could potentially be listed). Reading the source for
e2fsprogs-1.39 in lib/ext2fs/ext2fs.h, I see that there are a lot more
features present than what's mentioned on the page. Using the struct
conversion in lib/e2p/feature.c (used in debugfs), it seems that the
supported features for the way we build e2fsprogs-1.39 is:

dir_prealloc, has_journal, imagic_inodes, ext_attr, dir_index,
resize_inode, lazy_bg, sparse_super, large_file, filetype,
needs_recovery, journal_dev, meta_bg

I know very little about ext3 filesystems. Some advice is requested
here. I certainly do not guarantee that all the options I listed above
are actually valid options for creating an ext3 filesystem. Maybe some
filesystem expert could shed some light here?

The system I'm on lists needs_recovery and has_journal for the
features not shown in the LFS book.

--
Dan
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