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.
> > > d) could you please convert symlink.c to pagecache? BTW, that
> > > would kill ugly REISERFS_KERNEL_MEM/REISERFS_USER_MEM stuff.
> > I'll look into this. I'm not sure it is possible to do it right until we
> > convert all metadata into the page cache, which we are looking into as
> > well.
> Umm... I don't think that it is related. Just define ->readpage() for
> symlinks and let it do kmap(), read the body of symlink into the page and
> then either SetPageUptodate(),kunmap(),UnlockPage(),return 0 or
> SetPageError(), kunmap(), UnlockPage(), return <suitable_error> (if
> reading failed, that is). That's it. If your symlink inodes have that in
> ->i_mapping->a_op->readpage you can just use page_readlink() and
> page_follow_link() in inode_operations. And you get caching of the thing
> for free.
Perfect. I wanted to look more carefully at a_ops for symlinks before
saying I could fix it ;-)
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