On 2016-03-29 3:23 AM, Robert Yang wrote:
Otherwise the live iso will be readonly.

Not true .. overlayfs is one way to have a read/write ISO, but
not the only.

This isn't something we bury in the middle of the ktypes. aufs
has always been a standalone configuration option, and one that
is enabled via KERNEL_FEATURES.

This is an alternative to the exiting aufs use case, and should
be treated a similar way (with a generic feature, an enable and
a disable). See the aufs fragments as a template to follow.

Bruce


Signed-off-by: Robert Yang <[email protected]>
---
  ktypes/preempt-rt/preempt-rt.cfg | 2 ++
  ktypes/standard/standard.cfg     | 2 ++
  2 files changed, 4 insertions(+)

diff --git a/ktypes/preempt-rt/preempt-rt.cfg b/ktypes/preempt-rt/preempt-rt.cfg
index 4c62804..c4a5617 100644
--- a/ktypes/preempt-rt/preempt-rt.cfg
+++ b/ktypes/preempt-rt/preempt-rt.cfg
@@ -1116,3 +1116,5 @@ CONFIG_CRYPTO_TEST=m
  #
  CONFIG_LIBCRC32C=m
  CONFIG_ZLIB_DEFLATE=m
+
+CONFIG_OVERLAY_FS=y
diff --git a/ktypes/standard/standard.cfg b/ktypes/standard/standard.cfg
index b3dbde5..4099fda 100644
--- a/ktypes/standard/standard.cfg
+++ b/ktypes/standard/standard.cfg
@@ -1108,3 +1108,5 @@ CONFIG_LIBCRC32C=m
  CONFIG_ZLIB_DEFLATE=m

  CONFIG_SHMEM=y
+
+CONFIG_OVERLAY_FS=y


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