On Fri, Nov 19, 2010 at 10:37:48AM -0500, Ted Ts'o wrote: > I think the author of that slide deck was being a little hysterical. > In nearly all of these cases, if the file system is comptently > implemented (i.e., you don't do a trim on anything but a deleted file > block, and _only_ when you know the deleted is committed, and only the > filesystem --- not non-privileged users --- are allowed to use the > TRIM command), there's no issue. It's a huge issue for virtualization, where naive TRIM implementations can expose data deleted in one VM to others. It's also a huge issues for RAIDs as mentioned by you. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
