LU-1540 osd: add NUL terminator for long symlink

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

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 1bc10ae..c6f92b8 100644 (file)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -488,6 +488,59 @@ test_17k() { #bug 22301
 }
 run_test 17k "symlinks: rsync with xattrs enabled ========================="
 
+# LU-1540
+test_17m() {
+       local short_sym="0123456789"
+       local WDIR=$DIR/${tdir}m
+       local mds_index
+       local devname
+       local cmd
+       local i
+       local rc=0
+
+       mkdir -p $WDIR
+       long_sym=$short_sym
+       # create a long symlink file
+       for ((i = 0; i < 4; ++i)); do
+               long_sym=${long_sym}${long_sym}
+       done
+
+       echo "create 512 short and long symlink files under $WDIR"
+       for ((i = 0; i < 256; ++i)); do
+               ln -sf ${long_sym}"a5a5" $WDIR/long-$i
+               ln -sf ${short_sym}"a5a5" $WDIR/short-$i
+       done
+
+       echo "erase them"
+       rm -f $WDIR/*
+       sync
+       sleep 2
+
+       echo "recreate the 512 symlink files with a shorter string"
+       for ((i = 0; i < 512; ++i)); do
+               # rewrite the symlink file with a shorter string
+               ln -sf ${long_sym} $WDIR/long-$i
+               ln -sf ${short_sym} $WDIR/short-$i
+       done
+
+       mds_index=$($LFS getstripe -M $WDIR)
+       mds_index=$((mds_index+1))
+       devname=$(mdsdevname $mds_index)
+       cmd="$E2FSCK -fnvd $devname"
+
+       echo "stop and checking mds${mds_index}: $cmd"
+       # e2fsck should not return error
+       stop mds${mds_index} -f
+       do_facet mds${mds_index} $cmd || rc=$?
+
+       start mds${mds_index} $devname $MDS_MOUNT_OPTS
+       df $MOUNT > /dev/null 2>&1
+       [ $rc -ne 0 ] && error "e2fsck should not report error upon "\
+               "short/long symlink MDT: rc=$rc"
+       return $rc
+}
+run_test 17m "run e2fsck against MDT which contains short/long symlink"
+
 test_18() {
        touch $DIR/f
        ls $DIR || error