[PATCH][CFT] (updated) ext2 directories in pagecache

From: Alexander Viro (viro@math.psu.edu)
Date: Mon Apr 23 2001 - 17:21:49 EST


On Thu, 12 Apr 2001, Alexander Viro wrote:

> Folks, IMO ext2-dir-patch got to the stable stage. Currently
> it's against 2.4.4-pre2, but it should apply to anything starting with
> 2.4.2 or so.
>
> Ted, could you review it for potential inclusion into 2.4 once
> it gets enough testing? It's ext2-only (the only change outside of
> ext2 is exporting waitfor_one_page()), it doesn't change fs layout,
> it seriously simplifies ext2/dir.c and ext2/namei.c and it gives better
> VM behaviour.

        Previous variant left junk in ->d_type of directory entries
on "old" filesystems (i.e. ones where it should be zeroed). Harmless
(on these filesystems readdir() returned DT_UNKNOWN anyway), but
it PO'd fsck and was the wrong thing anyway.

        Fixed and rediffed against current tree (2.4.4-pre6). Folks,
please help with testing.

         Patch is on ftp.math.psu.edu/pub/viro/ext2-dir-patch-S4-pre6.gz

                                                        Cheers,
                                                                Al

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