b=11063

i=green,vitaly
this patch reverses
	https://bugzilla.lustre.org/attachment.cgi?id=7933
	https://bugzilla.lustre.org/attachment.cgi?id=7882
	https://bugzilla.lustre.org/attachment.cgi?id=15831
and replaces them with setting mtime to past under extent lock

sanity test (39c) is added to check original problem
i=adilger,grev

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 1f76875..c8a97eb 100644 (file)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -1687,6 +1687,19 @@ test_39b() {
 }
 run_test 39b "mtime change on close ============================"
 
+# bug 11063
+test_39c() {
+        touch -m -d "10 years ago" $DIR1/$tfile
+        local MTIME1=`stat -c %y $DIR1/$tfile`
+        echo hello >> $DIR1/$tfile
+        local MTIME2=`stat -c %y $DIR1/$tfile`
+        mv $DIR1/$tfile $DIR1/$tfile-1
+        local MTIME3=`stat -c %y $DIR1/$tfile-1`
+        [ "$MTIME2" = "$MTIME3" ] ||
+                error "mtime ($MTIME2) changed (to $MTIME3) on rename (BZ#11063)"
+}
+run_test 39c "mtime change on rename ==========================="
+
 test_40() {
        dd if=/dev/zero of=$DIR/f40 bs=4096 count=1
        $RUNAS $OPENFILE -f O_WRONLY:O_TRUNC $DIR/f40 && error