LU-13227 ofd: update lvb before dropping server lock

[fs/lustre-release.git] / lustre / tests / sanityn.sh

diff --git a/lustre/tests/sanityn.sh b/lustre/tests/sanityn.sh
index 731c717..918dbac 100755 (executable)
--- a/lustre/tests/sanityn.sh
+++ b/lustre/tests/sanityn.sh
@@ -503,6 +503,26 @@ test_16d() {
 }
 run_test 16d "Verify DIO and buffer IO with two clients"
 
+test_16e() { # LU-13227
+       local file1=$DIR1/$tfile
+       local file2=$DIR2/$tfile
+
+       # client1 write 10M data
+       dd if=/dev/zero of=$file1 bs=1M count=10
+       # drop locks
+       cancel_lru_locks osc > /dev/null
+       # use lockahead to generate one PW lock to keep LVB loaded.
+       $LFS ladvise -a lockahead --start 0 --length 1M \
+               --mode WRITE $file1
+       # direct write to extend file size on client2
+       dd if=/dev/zero of=$file2 bs=1M seek=20 count=1 \
+               oflag=direct conv=notrunc
+       local filesize=$(stat -c %s $file2)
+       [ "$filesize" -eq 22020096 ] ||
+               error "expected filesize 22020096 got $filesize"
+       rm -f $file1
+}
+run_test 16e "Verify size consistency for O_DIRECT write"
 
 test_17() { # bug 3513, 3667
        remote_ost_nodsh && skip "remote OST with nodsh" && return