In looking through hole-punching implementations, I got the impression that perhaps ext4 and ocfs2 might need to inode_dio_wait() before they truncate pagecache. And that might require ext4 to hold i_mutex there? Hugh -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
