On Mon, 17 Mar 2014 15:50:13 +0400 Cyrill Gorcunov <gorcu...@gmail.com> wrote:
> On Mon, Mar 17, 2014 at 03:30:26PM +0400, Pavel Emelyanov wrote: > > On 03/17/2014 02:39 PM, Andrey Vagin wrote: > > > Currently we don't have a way how to determing from which mount point > > > file has been opened. This information is required for proper dumping > > > and restoring file descriptos due to presence of mount namespaces. It's > > > possible, that two file descriptors are opened using the same paths, but > > > one fd references mount point from one namespace while the other fd -- > > > from other namespace. > > > > > > Cc: Al Viro <v...@zeniv.linux.org.uk> > > > Cc: Oleg Nesterov <o...@redhat.com> > > > Cc: Andrew Morton <a...@linux-foundation.org> > > > Cc: Cyrill Gorcunov <gorcu...@openvz.org> > > > Cc: Pavel Emelyanov <xe...@parallels.com> > > > Signed-off-by: Andrey Vagin <ava...@openvz.org> > > > > These IDs are already shown in the /proc/$pid/mountinfo, and for some FSs > > can be obtained via path_to_handle_at(), so this patch just makes it work > > for any FS and speeds things up. > > > > Acked-by: Pavel Emelyanov <xe...@parallels.com> > > I think Documentation/filesystems/proc.txt should be updated on top. Yes please. It would be nice to see example output in the changelog as well please. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
