1 files changed, 67 insertions, 0 deletions
diff --git a/tests/ts/fadvise/drop b/tests/ts/fadvise/drop
new file mode 100755
index 0000000..7c7eee5
--- /dev/null
+++ b/tests/ts/fadvise/drop
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="drop page caches related to a file"
+
+. "$TS_TOPDIR"/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_FADVISE"
+ts_check_test_command "$TS_CMD_FINCORE"
+ts_check_test_command "$TS_CMD_FINDMNT"
+
+ts_check_prog "dd"
+ts_check_prog "sleep"
+
+ts_cd "$TS_OUTDIR"
+
+FILE="ddtest"
+BS=4k
+COUNT=8
+
+FILE_FS="$("$TS_CMD_FINDMNT" -nr -o FSTYPE -T "$PWD")"
+if [[ "$FILE_FS" = "tmpfs" ]]; then
+	ts_skip "fincore does not work on tmpfs"
+fi
+
+create_file() {
+    dd if=/dev/zero of="$FILE" bs=$BS count=$COUNT conv=fsync >& /dev/null
+}
+
+{
+    create_file
+    "$TS_CMD_FINCORE" "$FILE"
+    echo
+
+    create_file
+    echo "whole file"
+    "$TS_CMD_FADVISE" "$FILE"
+    echo status: $?
+    "$TS_CMD_FINCORE" "$FILE"
+    echo
+
+    create_file
+    echo "offset: 8192"
+    "$TS_CMD_FADVISE" -o 8192 "$FILE"
+    echo status: $?
+    "$TS_CMD_FINCORE" "$FILE"
+    echo
+
+    create_file
+    echo "length: 16384"
+    "$TS_CMD_FADVISE" -l 16384 "$FILE"
+    echo status: $?
+    "$TS_CMD_FINCORE" "$FILE"
+    echo
+
+    create_file
+    echo "offset: 8192, length: 16384 fd: 42"
+    "$TS_CMD_FADVISE" -o 8192 -l 16384 --fd 42 42<"$FILE"
+    echo status: $?
+    "$TS_CMD_FINCORE" "$FILE"
+    echo
+
+    rm "$FILE"
+} >> "$TS_OUTPUT" 2>> "$TS_ERRLOG"
+
+ts_finalize