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authorPranith Kumar K <pkarampu@redhat.com>2013-06-27 12:59:14 +0530
committerVijay Bellur <vbellur@redhat.com>2013-06-27 23:34:29 -0700
commit0c05cde4a16c426089933803d082183227422307 (patch)
tree78c6d3646e6d1aba4827b0cc77015f7054474ca3 /tests/bugs
parent4bea8a2cfeaa8e037c6566b6a192bc31a2c004ca (diff)
cluster/afr: Handle NULL fdctx in fsync
Problem: If fdctx is NULL in afr_fsync, process crashes because of NULL dereference. Fix: if fdctx is NULL, always say witnessed unstable write so that fsyncs are done properly. Handled fdctx being null in afr_delayed_changelog_post_op otherwise fsync stub is never resumed and the mount was hanging. Change-Id: Icacc900e9be63c29db3325cb0e19cc250adebaac BUG: 978794 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/5258 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'tests/bugs')
-rw-r--r--tests/bugs/bug-978794.t29
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/bugs/bug-978794.t b/tests/bugs/bug-978794.t
new file mode 100644
index 0000000..d22d3cd
--- /dev/null
+++ b/tests/bugs/bug-978794.t
@@ -0,0 +1,29 @@
+#!/bin/bash
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+. $(dirname $0)/../fileio.rc
+
+
+# This test opens 100 fds and triggers graph switches to check if fsync
+# as part of graph-switch causes crash or not.
+
+cleanup;
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{0,1}
+TEST $CLI volume start $V0
+TEST glusterfs --volfile-id=/$V0 --volfile-server=$H0 $M0
+TEST touch $M0/{1..100}
+for i in {1..100}; do fd[$i]=`fd_available`; fd_open ${fd[$i]} 'w' $M0/$i; done
+TEST $CLI volume add-brick $V0 $H0:$B0/${V0}{2,3}
+TEST $CLI volume rebalance $V0 start force
+EXPECT_WITHIN 120 "completed" rebalance_status_field $V0
+TEST cat $M0/{1..100}
+for i in {1..100}; do fd_write ${fd[$i]} 'abc'; done
+TEST $CLI volume add-brick $V0 $H0:$B0/${V0}{4,5}
+TEST $CLI volume rebalance $V0 start force
+EXPECT_WITHIN 120 "completed" rebalance_status_field $V0
+for i in {1..100}; do fd_write ${fd[$i]} 'abc'; done
+TEST cat $M0/{1..100}
+cleanup