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SubjectRe: [PATCH -V19 00/15] Generic name to handle and open by handle syscalls
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On Fri, 27 Aug 2010 16:32:47 +0530, "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> 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.
>
> [1] http://nfs-ganesha.sourceforge.net/
> [2] http://thread.gmane.org/gmane.comp.emulators.qemu/68992
>
> git repo for the patchset at:
> git://git.kernel.org/pub/scm/linux/kernel/git/kvaneesh/linux-open-handle.git open-by-handle
>
> Test case can be found at
> http://git.kernel.org/?p=fs/ext2/kvaneesh/handle-test.git
> git://git.kernel.org/pub/scm/fs/ext2/kvaneesh/handle-test.git
>
> Changes from V18:
> a) Drop open on symlink patch
> b) Drop other patches that added support for NULL pathname in *at syscalls
> c) Add new handle based syscalls. All of them are restricted to CAP_DAC_READ_SEARCH
>

Hi Al,

Any update on this. Are you ok with syscall approach which is limitted to
CAP_DAC_READ_SEARCH ?

-aneesh



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