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    SubjectRe: (reiserfs) Re: patch: reiserfs for 2.3.49
    Alexander Viro wrote:
    >
    > [cc trimmed - folks, maillists are there for purpose]
    >
    > On Tue, 14 Mar 2000, Chris Mason wrote:
    > > On Tue, 14 Mar 2000, Alexander Viro wrote:
    > > > On Tue, 14 Mar 2000, Chris Mason wrote:
    > > >
    > > > > We agree, these fixes have already started. We'll send them to you as
    > > > > they stabilize. I would much rather have your help getting rid of
    > > > > read_inode2 than cleaning up our other messes ;-)
    > > >
    > > > I need to get fhandle_to_dentry() stable on ext2. From the look at your
    > > > code there should be no serious problems with that stuff.
    > > >
    > > Ok, sounds good.
    >
    > Basically you'll need two things to take that code: way to find the ID of
    > ".." _and_ way to get the name by ID. Both are trivial with ext2 directory
    > structure. What will they cost on reiserfs? Both are needed only when
    > knfsd gets an fhandle cache miss and currently done via lookup() and
    > readdir() (with funny filldir) from underlying filesystem. Which amounts
    > to heck of overhead. _Anything_ will be better than ->readdir() - count
    > the calls of filldir and you'll see.

    Forgive me, but define ID. Is it a general flexible, or a specific, term. Can
    it mean key of variable length?

    Hans
    --
    You can get ReiserFS at http://devlinux.org/namesys, and customizations and
    industrial grade support at reiser@idiom.com.

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