LU-9409 llite: Add tiny write support

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

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index f0964f7..7d1561f 100755 (executable)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -858,6 +858,38 @@ test_23b() { # bug 18988
 }
 run_test 23b "O_APPEND check"
 
+# LU-9409, size with O_APPEND and tiny writes
+test_23c() {
+       local file=$DIR/$tfile
+
+       # single dd
+       dd conv=notrunc oflag=append if=/dev/zero of=$file bs=8 count=800
+       $CHECKSTAT -s 6400 $file || error "wrong size, expected 6400"
+       rm -f $file
+
+       # racing tiny writes
+       dd conv=notrunc oflag=append if=/dev/zero of=$file bs=8 count=800 &
+       dd conv=notrunc oflag=append if=/dev/zero of=$file bs=8 count=800 &
+       wait
+       $CHECKSTAT -s 12800 $file || error "wrong size, expected 12800"
+       rm -f $file
+
+       #racing tiny & normal writes
+       dd conv=notrunc oflag=append if=/dev/zero of=$file bs=4096 count=4 &
+       dd conv=notrunc oflag=append if=/dev/zero of=$file bs=8 count=100 &
+       wait
+       $CHECKSTAT -s 17184 $file || error "wrong size, expected 17184"
+       rm -f $file
+
+       #racing tiny & normal writes 2, ugly numbers
+       dd conv=notrunc oflag=append if=/dev/zero of=$file bs=4099 count=11 &
+       dd conv=notrunc oflag=append if=/dev/zero of=$file bs=17 count=173 &
+       wait
+       $CHECKSTAT -s 48030 $file || error "wrong size, expected 48030"
+       rm -f $file
+}
+run_test 23c "O_APPEND size checks for tiny writes"
+
 # rename sanity
 test_24a() {
        echo '-- same directory rename'