linux-kernel - Re: [PATCH -V13 0/11] Generic name to handle and open by handle syscalls

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 04 Jun 2010 11:38:39 +0530
From:	"Aneesh Kumar K. V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	Dave Chinner <david@...morbit.com>
Cc:	hch@...radead.org, viro@...iv.linux.org.uk, adilger@....com,
	corbet@....net, serue@...ibm.com, neilb@...e.de,
	hooanon05@...oo.co.jp, bfields@...ldses.org,
	linux-fsdevel@...r.kernel.org, sfrench@...ibm.com,
	philippe.deniel@....FR, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -V13 0/11] Generic name to handle and open by handle syscalls

On Fri, 4 Jun 2010 15:43:28 +1000, Dave Chinner <david@...morbit.com> wrote:
> On Thu, Jun 03, 2010 at 09:44:06PM +0530, Aneesh Kumar K.V wrote:
> > Hi,
> > 
> > The below set of patches implement open by handle support using exportfs
> > operations. This allows user space application to map a file name to file 
> > handle and later open the file using handle. This should be usable
> > for userspace NFS [1] and 9P server [2]. XFS already support this with the ioctls
> > XFS_IOC_PATH_TO_HANDLE and XFS_IOC_OPEN_BY_HANDLE.
> .....
> > Example program: (x86_32). (x86_64 would need a different syscall number)
> 
> [snip test program]
> 
> Just a thought - can you write a set of tests using this (or
> similar) test program and integrate them into xfstests?
> 
> That will help ensure correctness when implementing the API in other
> filesystems (e.g. XFS ;), as well as provide some level of assurance
> that we'll notice when we break the code...
> 

Will do. I also have test that test for different open flags with
open_by_handle_at. Will add those tests also.

-aneesh
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/