Ted writes:
> Note that in the long run, the fully comatible version should probably
> have a COMPAT feature flag set so that you're forced to use a new enough
> version of e2fsck. Otherwise an old e2fsck may end up not noticing
> corruptions in an index block which might cause a new kernel to ha
From: Daniel Phillips <[EMAIL PROTECTED]>
Date: Fri, 23 Feb 2001 00:04:02 +0100
I resolve not to take a position on this subject, and I will carry
forward both a 'squeaky clean' backward-compatible version that sets an
INCOMPAT flag, and a 'slightly tarnished' but very clever versi
From: Andreas Dilger <[EMAIL PROTECTED]>
Date: Thu, 22 Feb 2001 11:16:32 -0700 (MST)
One important question as to the disk format is whether the "." and ".."
interception by VFS is a new phenomenon in 2.4 or if this also happened
in 2.2? If so, then having these entries on disk wi
Andreas Dilger wrote:
> Daniel writes:
> > All references to "." and ".." are now intercepted and never reach the
> > filesystem level.
>
> Ted writes:
> >From: Daniel Phillips <[EMAIL PROTECTED]>
> >
> >I'll leave that up to somebody else - we now have two alternatives, the
> >100%,
Daniel writes:
> All references to "." and ".." are now intercepted and never reach the
> filesystem level.
Ted writes:
>From: Daniel Phillips <[EMAIL PROTECTED]>
>
>I'll leave that up to somebody else - we now have two alternatives, the
>100%, no-compromise INCOMPAT solution, and th
From: Daniel Phillips <[EMAIL PROTECTED]>
Date: Thu, 22 Feb 2001 08:24:08 +0100
Content-Type: text/plain
> Is it worth it? Well, it means you lose an index entry from each
> directory block, thus reducing your fanout at each node of the tree by a
> worse case of 0.7% in the wor
On Thu, 22 Feb 2001, [EMAIL PROTECTED] wrote:
> A couple of comments. If you make the beginning of each index block
> look like a an empty directory block (i.e, the first 8 blocks look like
> this):
>
> 32 bits: ino == 0
> 16 bits: rec_len == blocksize
> 16 bits: name_len = 0
>
Daniel,
Nice work!
A couple of comments. If you make the beginning of each index block
look like a an empty directory block (i.e, the first 8 blocks look like
this):
32 bits: ino == 0
16 bits: rec_len == blocksize
16 bits: name_len = 0
... then you will have full backw
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