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>

parent 7078253c

fs/jfs/jfs_dtree.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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);