scripts: tizen: call sync before umount

After writing files on mounted directory, umount can fail with busy
state. Call sync before umount to clear the busy state instead of
sleep.

Change-Id: I7985ab3688a64b072c9a992957acdf124f925a34
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/scripts/tizen/sd_fusing_rpi3.sh b/scripts/tizen/sd_fusing_rpi3.sh
index a999641..2f262bf 100755 (executable)
--- a/scripts/tizen/sd_fusing_rpi3.sh
+++ b/scripts/tizen/sd_fusing_rpi3.sh
@@ -231,7 +231,7 @@ function mkpart_3 () {
        mkdir mnt_tmp
        mount -t ext4 ${DISK}9 ./mnt_tmp
        touch ./mnt_tmp/reboot-param.bin
-       sleep 1
+       sync
        umount ./mnt_tmp
        rmdir mnt_tmp
 }