Bo Brantén <bosse@xxxxxxxxxx> writes: > Hello, > > I have a question on the implementation of persistent preallocation, > the reason to not return the disk block is because it can contain old > data but I wonder if an implementation has to return zeros instead or Please look at fallocate(2) syscall. > if it could return any garbage as long as it is not _that_ garbage? Off course it is not a garbage, it is old user's data which may be very very useful (old passwords, cookies, and etc)for person who has time to analyze it :) > > Bo Branten > > -- > 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 -- 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
