From 006351ac8ead0d4a67dd3845e3ceffe650a23212 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 8 Jun 2017 23:28:53 -0400
Subject: [PATCH] ufs_getfrag_block(): we only grab ->truncate_mutex on block
creation path
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/ufs/inode.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 966cced0f88e..9bf10285c628 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -403,7 +403,9 @@ static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buff
if (!create) {
phys64 = ufs_frag_map(inode, offsets, depth);
- goto out;
+ if (phys64)
+ map_bh(bh_result, sb, phys64 + frag);
+ return 0;
}
/* This code entered only while writing ....? */
--
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