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Subject[PATCH AUTOSEL for 4.9 189/293] fs/dcache: init in_lookup_hashtable
Date
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

[ Upstream commit 6916363f3083837ed5adb3df2dd90d6b97017dff ]

in_lookup_hashtable was introduced in commit 94bdd655caba ("parallel
lookups machinery, part 3") and never initialized but since it is in
the data it is all zeros. But we need this for -RT.

Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
fs/dcache.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/fs/dcache.c b/fs/dcache.c
index c0c7fa8224ba..4df3d2300c7b 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -3637,6 +3637,11 @@ EXPORT_SYMBOL(d_genocide);

void __init vfs_caches_init_early(void)
{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(in_lookup_hashtable); i++)
+ INIT_HLIST_BL_HEAD(&in_lookup_hashtable[i]);
+
dcache_init_early();
inode_init_early();
}
--
2.15.1
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