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From 5b549cbf3f1873054c6d187b09aa9f9313971b1f Mon Sep 17 00:00:00 2001
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From: Kinglong Mee <kinglongmee@gmail.com>
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Date: Mon, 18 Mar 2019 20:47:54 +0800
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Subject: [PATCH 414/449] cluster-syncop: avoid duplicate unlock of
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inodelk/entrylk
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When using ec, there are many spam messages in brick and client
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logs files.
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When shd does entry heal, it takes lock on a directory using
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cluster_tiebreaker_inodelk(). If it does not get lock on all
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the bricks because other clients has got lock on some bricks,
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it will unlock the locks on those bricks which it got and then
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will try blocking locks (If any one of the previous was successful).
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The problem come here. In case we do not get locks on all the
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required bricks, we are sending unlock request twice on those
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bricks where we got the locks.
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BUG: 1750211
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> Upstream patch: https://review.gluster.org/#/c/glusterfs/+/22377/
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> Change-Id: Ib164d29ebb071f620a4ca9679c4345ef7c88512a
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> Updates: bz#1689920
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> Signed-off-by: Kinglong Mee <mijinlong@open-fs.com>
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Change-Id: I1647548ba75fdd27fd4e20dec08db67774f43375
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Reviewed-on: https://code.engineering.redhat.com/gerrit/202477
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Tested-by: Ashish Pandey <aspandey@redhat.com>
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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libglusterfs/src/cluster-syncop.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/libglusterfs/src/cluster-syncop.c b/libglusterfs/src/cluster-syncop.c
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index 5a08f26..6ee89dd 100644
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--- a/libglusterfs/src/cluster-syncop.c
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+++ b/libglusterfs/src/cluster-syncop.c
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@@ -1203,6 +1203,10 @@ cluster_tiebreaker_inodelk(xlator_t **subvols, unsigned char *on,
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if (num_success) {
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FOP_SEQ(subvols, on, numsubvols, replies, locked_on, frame,
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inodelk, dom, &loc, F_SETLKW, &flock, NULL);
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+ } else {
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+ loc_wipe(&loc;;
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+ memset(locked_on, 0, numsubvols);
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+ return 0;
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}
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break;
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}
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@@ -1244,7 +1248,9 @@ cluster_tiebreaker_entrylk(xlator_t **subvols, unsigned char *on,
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entrylk, dom, &loc, name, ENTRYLK_LOCK, ENTRYLK_WRLCK,
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NULL);
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} else {
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+ loc_wipe(&loc;;
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memset(locked_on, 0, numsubvols);
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+ return 0;
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}
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break;
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}
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--
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1.8.3.1
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