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

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Message-Id: <E1OsyA1-0007Ct-KS@pomaz-ex.szeredi.hu>
Date:	Tue, 07 Sep 2010 15:24:29 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	"Aneesh Kumar K. V" <aneesh.kumar@...ux.vnet.ibm.com>
CC:	miklos@...redi.hu, 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, Aneesh Kumar K. V wrote:
> 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 ?

No, not really.  Only xattrs stand out from the rest as the "API that
shouldn't be" and adding more to that pile makes me feel especially
bad.

But xattrs aside, I still don't think we need another interface for
file handles that duplicates the existing filesystem APIs.

Thanks,
Miklos
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