Re: [PATCH] add live_readonly karg to mount /dev/mapper/live-rw as readonly

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On 03/04/2010 09:09 PM, Joey Boggs wrote:
This will allow live cd based images to utilize a readonly root file system.

---
  modules.d/90dmsquash-live/dmsquash-live-root |    3 ++-
  1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/modules.d/90dmsquash-live/dmsquash-live-root b/modules.d/90dmsquash-live/dmsquash-live-root
index e2e3ef8..7457e2c 100755
--- a/modules.d/90dmsquash-live/dmsquash-live-root
+++ b/modules.d/90dmsquash-live/dmsquash-live-root
@@ -21,6 +21,7 @@ live_dir=$(getarg live_dir)
  getarg live_ram&&  live_ram="yes"
  getarg reset_overlay&&  reset_overlay="yes"
  getarg readonly_overlay&&  readonly_overlay="--readonly" || readonly_overlay=""
+getarg live_readonly&&  live_readonly="-o ro" || live_readonly=""
  overlay=$(getarg overlay)

  # FIXME: we need to be able to hide the plymouth splash for the check really
@@ -173,6 +174,6 @@ if [ -b "$OSMIN_LOOPDEV" ]; then
  fi

  ln -s /dev/mapper/live-rw /dev/root
-printf '/bin/mount /dev/mapper/live-rw %s\n' "$NEWROOT">  /mount/01-$$-live.sh
+printf '/bin/mount %s /dev/mapper/live-rw %s\n' "$live_readonly" "$NEWROOT">  /mount/01-$$-live.sh

  exit 0

maybe we should teach dmsquash-live to use already defined parameters, like "rootflags" "rootfstype" and such.
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