From: Dave Kleikamp <shaggy@austin.ibm.com>
Date: Thu, 2 Jun 2005 17:18:20 +0000 (-0500)
Subject: JFS: kernel BUG at fs/jfs/jfs_txnmgr.c:859
X-Git-Tag: v2.6.13-rc4~130^2~202^2~171^2~2
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=c2731509cfb538b9b38feaf657fab2334ea45253;p=~emulex%2Finfiniband.git

JFS: kernel BUG at fs/jfs/jfs_txnmgr.c:859

add_missing_indices() must set tlck->type to tlckBTROOT when modifying
a root btree root to avoid a trap in txRelease()

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
---

diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index ac41f72d6d5..8676aee3ae4 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -2931,6 +2931,9 @@ static void add_missing_indices(struct inode *inode, s64 bn)
 	ASSERT(p->header.flag & BT_LEAF);
 
 	tlck = txLock(tid, inode, mp, tlckDTREE | tlckENTRY);
+	if (BT_IS_ROOT(mp))
+		tlck->type |= tlckBTROOT;
+
 	dtlck = (struct dt_lock *) &tlck->lock;
 
 	stbl = DT_GETSTBL(p);