[OE-core] [PATCH 1/1] linux-yocto 4.4: enable overlayfs by default

[Robert Yang]

So that iso can work well, otherwise the iso is readonly and there would
be errors. The other way is aufs, but overlayfs is more pupolar and had
been merged by kernel mainline, we need make iso work well by default.

Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
---
 meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb | 2 +-
 meta/recipes-kernel/linux/linux-yocto_4.4.bb    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb b/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
index 48025c4..4f3beb7 100644
--- a/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
+++ b/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
@@ -20,7 +20,7 @@ LINUX_KERNEL_TYPE = "preempt-rt"
 COMPATIBLE_MACHINE = "(qemux86|qemux86-64|qemuarm|qemuppc|qemumips)"
 
 # Functionality flags
-KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc features/taskstats/taskstats.scc"
+KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc features/taskstats/taskstats.scc features/overlayfs/overlayfs.scc"
 KERNEL_FEATURES_append = " ${KERNEL_EXTRA_FEATURES}"
 KERNEL_FEATURES_append_qemuall=" cfg/virtio.scc"
 KERNEL_FEATURES_append_qemux86=" cfg/sound.scc cfg/paravirt_kvm.scc"
diff --git a/meta/recipes-kernel/linux/linux-yocto_4.4.bb b/meta/recipes-kernel/linux/linux-yocto_4.4.bb
index 3d6991e..66bf956 100644
--- a/meta/recipes-kernel/linux/linux-yocto_4.4.bb
+++ b/meta/recipes-kernel/linux/linux-yocto_4.4.bb
@@ -34,7 +34,7 @@ KCONF_BSP_AUDIT_LEVEL = "2"
 COMPATIBLE_MACHINE = "qemuarm|qemuarm64|qemux86|qemuppc|qemumips|qemumips64|qemux86-64"
 
 # Functionality flags
-KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc"
+KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc features/overlayfs/overlayfs.scc"
 KERNEL_FEATURES_append = " ${KERNEL_EXTRA_FEATURES}"
 KERNEL_FEATURES_append_qemuall=" cfg/virtio.scc"
 KERNEL_FEATURES_append_qemux86=" cfg/sound.scc cfg/paravirt_kvm.scc"
-- 
2.8.0