Messages in this thread | | | Date | Fri, 7 Jul 2006 14:10:31 +0000 | From | Pavel Machek <> | Subject | Re: ext4 features |
| |
On Wed 05-07-06 00:21:32, Bill Davidsen wrote: > Benny Amorsen wrote: > >>>>>>"DC" == Diego Calleja <diegocg@gmail.com> writes: > > > >DC> El Mon, 03 Jul 2006 15:46:55 -0600, "Jeff V. Merkey" > >DC> <jmerkey@wolfmountaingroup.com> escribió: > > > >>>Add a salvagable file system to ext4, i.e. when a > >>>file is deleted, > >>>you just rename it and move it to a directory called > >>>DELETED.SAV > >>>and recycle the files as people allocate new ones. > >>>Easy to do > >>>(internal "mv" of > > > > > >DC> Easily doable in userspace, why bother with kernel > >programming > > > >In userspace you can't automatically delete the files > >when the space > >becomes needed. The LD_PRELOAD/glibc methods also have > >the > >disadvantage of having to figure out where a file goes > >when it's > >deleted, depending on which device it happens to reside > >on. Demanding > >read access to /proc/mounts just to do rm could cause > >problems. > > > >Userspace has had 10 years to invent a good solution. > >If it was so > >easy, it would probably have been done. > > > Actually, if it were so important it WOULD have been > done. I suspect that the issue is not lack of a good
It *was* done. mc supports undelete on ext2. Unfortunately ext3 broke that :-(. Pavel -- Thanks for all the (sleeping) penguins. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |