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Sync needed before remount R/O

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Signed-off-by: Wang He <xw897002528@gmail.com>
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
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Wang He authored and Joachim Nilsson committed 2016-09-18 12:00:16 +02:00
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commit 3554138118
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sig.c
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@@ -159,6 +159,7 @@ void do_shutdown(shutop_t op)
unmount_regular(); unmount_regular();
/* We sit on / so we must remount it ro, try all the things! */ /* We sit on / so we must remount it ro, try all the things! */
run("sync");
run("/bin/mount -n -o remount,ro -t dummytype dummydev /"); run("/bin/mount -n -o remount,ro -t dummytype dummydev /");
run("/bin/mount -n -o remount,ro dummydev /"); run("/bin/mount -n -o remount,ro dummydev /");
run("/bin/mount -n -o remount,ro /"); run("/bin/mount -n -o remount,ro /");