1 files changed, 91 insertions, 0 deletions
diff --git a/tests/bugs/index/bug-1559004-EMLINK-handling.t b/tests/bugs/index/bug-1559004-EMLINK-handling.t
new file mode 100644
index 00000000000..5596fa56c4c
--- /dev/null
+++ b/tests/bugs/index/bug-1559004-EMLINK-handling.t
@@ -0,0 +1,91 @@
+#!/bin/bash
+
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+. $(dirname $0)/../../afr.rc
+
+function create_fake_links() {
+        local dst="$1"
+        local dir="$2"
+        local end=0
+        local start=0
+        local src
+
+        src="$(ls ${dst}/.glusterfs/indices/${dir}/${dir}-* | head -1)"
+        mkdir -p ${dst}/.glusterfs/dummy/${dir}
+        while ln ${src} ${dst}/.glusterfs/dummy/${dir}/link-${end}; do
+                end="$((${end} + 1))"
+        done
+
+        if [[ ${end} -gt 50 ]]; then
+                start="$((${end} - 50))"
+        fi
+        if [[ ${end} -gt 0 ]]; then
+                end="$((${end} - 1))"
+        fi
+
+        for i in $(seq ${start} ${end}); do
+                rm -f ${dst}/.glusterfs/dummy/${dir}/link-${i}
+        done
+}
+
+function count_fake_links() {
+        local dst="$1"
+        local dir="$2"
+
+        echo "$(find ${dst}/.glusterfs/dummy/${dir}/ -name "link-*" | wc -l)"
+}
+
+cleanup
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume info
+
+TEST touch $B0/ext4-1
+TEST touch $B0/ext4-2
+TEST touch $B0/ext4-3
+TEST truncate -s 2GB $B0/ext4-1
+TEST truncate -s 2GB $B0/ext4-2
+TEST truncate -s 2GB $B0/ext4-3
+
+TEST mkfs.ext4 -F $B0/ext4-1
+TEST mkfs.ext4 -F $B0/ext4-2
+TEST mkfs.ext4 -F $B0/ext4-3
+TEST mkdir $B0/ext41
+TEST mkdir $B0/ext42
+TEST mkdir $B0/ext43
+TEST mount -t ext4 -o loop $B0/ext4-1 $B0/ext41
+TEST mount -t ext4 -o loop $B0/ext4-2 $B0/ext42
+TEST mount -t ext4 -o loop $B0/ext4-3 $B0/ext43
+
+TEST $CLI volume create $V0 replica 3 $H0:$B0/ext4{1,2,3}
+TEST $CLI volume start $V0
+TEST $CLI volume heal $V0 granular-entry-heal enable
+TEST $GFS --volfile-id=$V0 --volfile-server=$H0 $M0
+TEST kill_brick $V0 $H0 $B0/ext41
+
+# Make sure indices exist and are initialized
+TEST touch $M0/dummy
+
+# Create enough hard links on bricks to make it fail faster. This is much
+# faster than creating ~70000 files on a volume.
+create_fake_links $B0/ext42 xattrop &
+create_fake_links $B0/ext42 entry-changes &
+wait
+count_xattrop="$(count_fake_links $B0/ext42 xattrop)"
+count_entry="$(count_fake_links $B0/ext42 entry-changes)"
+
+TEST mkdir $M0/d{1..10}
+TEST touch $M0/d{1..10}/{1..10}
+
+#On ext4 max number of hardlinks is ~65k, so there should be 2 base index files
+EXPECT "^2$" echo $(ls $B0/ext42/.glusterfs/indices/xattrop | grep xattrop | wc -l)
+EXPECT "^2$" echo $(ls $B0/ext42/.glusterfs/indices/entry-changes | grep entry-changes | wc -l)
+
+#Number of hardlinks: count_xattrop/count_entry for fake links, 101 for files,
+# 10 for dirs and 2 for base-indices and root-dir for xattrop
+EXPECT "$((${count_xattrop} + 114))" echo $(ls -l $B0/ext42/.glusterfs/indices/xattrop | grep xattrop | awk '{sum+=$2} END{print sum}')
+EXPECT "$((${count_entry} + 113))" echo $(ls -l $B0/ext42/.glusterfs/indices/entry-changes | grep entry-changes | awk '{sum+=$2} END{print sum}')
+
+cleanup