Francis Moreau wrote: > ramfs seems a good example for learning the page cache. But since > it's not a disk based filesystem, it doesn't cover the block dev > layer (bio, elevator...) and more important all data structures > used on the disk. Fair enough, that's good stuff to understand. Btw, only about half the filesystems in linux/fs use the block dev layer and work with block based disks. The others are virtual, userspace, network, flash or (being submitted) object-storage. -- Jamie -- 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