linux-kernel - Re: [PATCH -V19 00/15] Generic name to handle and open by handle syscalls

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Message-ID: <m3d3spvhdn.fsf@linux.vnet.ibm.com>
Date:	Tue, 07 Sep 2010 18:29:48 +0530
From:	"Aneesh Kumar K. V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	hch@...radead.org, viro@...iv.linux.org.uk, adilger@....com,
	corbet@....net, neilb@...e.de, npiggin@...nel.dk,
	hooanon05@...oo.co.jp, bfields@...ldses.org, miklos@...redi.hu,
	linux-fsdevel@...r.kernel.org, sfrench@...ibm.com,
	philippe.deniel@....FR, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -V19 00/15] Generic name to handle and open by handle syscalls

On Tue, 07 Sep 2010 13:36:03 +0200, Miklos Szeredi <miklos@...redi.hu> wrote:
> On Tue, 07 Sep 2010, Aneesh Kumar K. V wrote:
> > Any update on this. Are you ok with syscall approach which is limitted to
> > CAP_DAC_READ_SEARCH  ?
> 
> My gut reaction is: "not another bunch of xattr syscalls!".  It
> doesn't feel right, this interface is too specialized to warrant a
> full set of filesystem syscalls.


Are you ok with rest of syscalls other than the handle based xattr one ?
In that case can we get rest of the patches merged and rework xattr patches
later ?. That is xattr support for symlink can follow as a separate patch
series ?


> 
> Al Viro is right that there are problems with symlinks.  What we
> really want here is a sort of symlink that doesn't get followed.  One
> way to provide that is to create a kernel internal "handle" filesystem
> and direct open_by_handle() to that for anything not a directory or a
> regular file.
> 

-aneesh
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