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Merge "first_stage_mount: Bind mount /system after switch root" am: 53f1fab6ac

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Original change: https://android-review.googlesource.com/c/platform/system/core/+/2146960

Change-Id: I6f8029284650238dcca3727cb9be81d486a9d314
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Yi-yo Chiang 2022-07-18 10:08:01 +00:00 • committed by Automerger Merge Worker
commit c3e43e63fe
1 changed files with 6 additions and 0 deletions
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6
init/first_stage_mount.cpp
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@ -518,6 +518,12 @@ bool FirstStageMount::TrySwitchSystemAsRoot() {
SwitchRoot("/system");
// Make /system a mountpoint so that adb-remount can move submounts under /system.
if (access("/system", F_OK) == 0 &&
mount("/system", "/system", nullptr, MS_BIND, nullptr) != 0) {
PLOG(WARNING) << "Failed to bind mount /system for overlayfs";
}
return true;
}