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From d54f087a2484695ff7ac214d39f2750fddcef2d5 Mon Sep 17 00:00:00 2001
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From: HuangShujun <549702281@qq.com>
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Date: Thu, 5 Dec 2019 10:07:10 +0200
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Subject: [PATCH 387/449] To fix readdir-ahead memory leak
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Glusterfs client process has memory leak if create several files under
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one folder, and delete the folder. According to statedump, the ref
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counts of readdir-ahead is bigger than zero in the inode table.
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Readdir-ahead get parent inode by inode_parent in rda_mark_inode_dirty
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when each rda_writev_cbk,the inode ref count of parent folder will be
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increased in inode_parent, but readdir-ahead do not unref it later.
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The correction is unref the parent inode at the end of
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rda_mark_inode_dirty.
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Upstream patch:
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> Upstream patch link: https://review.gluster.org/c/glusterfs/+/23815
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> Fixes: bz#1779055
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> Signed-off-by: HuangShujun <549702281@qq.com>
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> Change-Id: Iee68ab1089cbc2fbc4185b93720fb1f66ee89524
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BUG: 1781550
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Change-Id: Iee68ab1089cbc2fbc4185b93720fb1f66ee89524
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Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/202312
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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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xlators/performance/readdir-ahead/src/readdir-ahead.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/xlators/performance/readdir-ahead/src/readdir-ahead.c b/xlators/performance/readdir-ahead/src/readdir-ahead.c
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index 7fd4f8d..933941d 100644
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--- a/xlators/performance/readdir-ahead/src/readdir-ahead.c
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+++ b/xlators/performance/readdir-ahead/src/readdir-ahead.c
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@@ -254,6 +254,7 @@ rda_mark_inode_dirty(xlator_t *this, inode_t *inode)
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}
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}
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UNLOCK(&parent->lock);
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+ inode_unref(parent);
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}
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return;
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--
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1.8.3.1
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