From ed8bd8452cf593ea1545d936f770603ed9268358 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Mon, 2 Jun 2014 14:43:05 +0200 Subject: [PATCH] user_namespaces.7: Rework text on filesystem support for user namespaces Signed-off-by: Michael Kerrisk --- man7/user_namespaces.7 | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/man7/user_namespaces.7 b/man7/user_namespaces.7 index 36d3773d6..efb6d1c01 100644 --- a/man7/user_namespaces.7 +++ b/man7/user_namespaces.7 @@ -578,11 +578,13 @@ User namespaces require support in a range of subsystems across the kernel. When an unsupported subsystem is configured into the kernel, it is not possible to configure user namespaces support. -As at Linux 3.8, most relevant subsystems support user namespaces, -but there are a number of filesystems that do not. -Linux 3.9 added user namespaces support for many of the remaining -unsupported filesystems: -Plan 9 (9P), Andrew File System (AFS), Ceph, CIFS, CODA, NFS, and OCFS2. + +As at Linux 3.8, most relevant subsystems supported user namespaces, +but a number of filesystems did not have the infrastructure needed +to map user and group IDs between user namespaces. +Linux 3.9 added the required infrastructure support for many of +the remaining unsupported filesystems +(Plan 9 (9P), Andrew File System (AFS), Ceph, CIFS, CODA, NFS, and OCFS2). XFS support for user namespaces is not yet available. .\" .SH EXAMPLE