generic/694: sync before sampling i_blocks

Without a sync there might still be temporary blocks in i_blocks like
indirect block reservations or additional blocks reserved for out of
place writes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>

diff --git a/tests/generic/694 b/tests/generic/694
index 02253ef752e9a331fdb661fabfa1da297e417ab5..a68fc5230405cb8f4a9a7bc9c0765946df4da3de 100755 (executable)
--- a/tests/generic/694
+++ b/tests/generic/694
@@ -37,6 +37,10 @@ if [ $? -ne 0 ]; then
        echo "Could not create 4G test file"
 fi
 
+# make sure indirect block reservations and other temporary block reservations
+# are released before sampling i_blocks
+sync $junk_file
+
 iblocks=`stat -c '%b' $junk_file`
 
 _test_cycle_mount