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 ac41f72..8676aee 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -2931,6 +2931,9 @@
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);
