Re: encode_fh: have inode but no dentry

From: Al Viro
Date: Thu Feb 24 2011 - 16:23:26 EST

On Thu, Feb 24, 2011 at 01:16:34PM -0800, Dan Magenheimer wrote:
> Hi Aneesh --
> I see you are continuing with encode_fh related
> development so I thought I would bring this up
> with you.
> I have a need to call the encode_fh op in a
> situation where I have an inode but not a dentry,
> and calling d_find_alias(inode) sometimes returns
> NULL. In my usage, connectable is always zero, so
> having just the inode should be sufficient to get
> useful results from encode_fh, at least for the
> filesystems I've looked at.


> Such a change would require a patch that touched
> nearly every filesystem so it's clearly not to
> be taken lightly.
> Any thoughts on this?

How about "tell us what do you need that for", for starters?
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