1 files changed, 9 insertions, 0 deletions

diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 19dcfb2aac9a..37f22dad5f59 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -418,6 +418,15 @@ xfs_iget(
         xfs_perag_t     *pag;
         xfs_agino_t     agino;
 
+        /*
+         * xfs_reclaim_inode() uses the ILOCK to ensure an inode
+         * doesn't get freed while it's being referenced during a
+         * radix tree traversal here.  It assumes this function
+         * aqcuires only the ILOCK (and therefore it has no need to
+         * involve the IOLOCK in this synchronization).
+         */
+        ASSERT((lock_flags & (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED)) == 0);
+
         /* reject inode numbers outside existing AGs */
         if (!ino || XFS_INO_TO_AGNO(mp, ino) >= mp->m_sb.sb_agcount)
                 return EINVAL;