features/index: Choose different base file on EMLINK error

Change-Id: I4648816af908539efdc2528608aa2ebf7f0d0e2f
fixes: bz#1559004
BUG: 1559004
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>

1 files changed, 52 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..9aff93a367f
--- /dev/null
+++ b/tests/bugs/index/bug-1559004-EMLINK-handling.t
@@ -0,0 +1,52 @@
+#!/bin/bash
+
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+. $(dirname $0)/../../afr.rc
+
+cleanup
+TESTS_EXPECTED_IN_LOOP=30
+SCRIPT_TIMEOUT=1000
+
+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
+for i in {1..15}
+do
+        TEST_IN_LOOP mkdir $M0/d${i}
+        TEST_IN_LOOP touch $M0/d${i}/{1..5000}
+done
+
+#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: 75000 for files, 15 for dirs and 2 for base-indices
+#and root-dir for xattrop
+EXPECT "75018" echo $(ls -l $B0/ext42/.glusterfs/indices/xattrop | grep xattrop | awk '{sum+=$2} END{print sum}')
+EXPECT "75017" echo $(ls -l $B0/ext42/.glusterfs/indices/entry-changes | grep entry-changes | awk '{sum+=$2} END{print sum}')
+
+cleanup