On Sun, Oct 20, 2013 at 8:35 PM, Theodore Ts'o <ty...@mit.edu> wrote: > On Sun, Oct 20, 2013 at 07:37:01PM +0800, jiaweiwei wrote: >> >> Any file system should rollback but not specific ones. Therefore, a >> VFS like mechanism should be designed and implemented. > > And what if the blocks or inodes used for the files that were deleted > have already been used and overwritten?
A good catch. Following ideas would be suitable. 1, Keep the blocks or inodes by a parameter we give. 2, Keep the blocks or inodes for several seconds. > >> Maybe, I would give detail design, thanks. > > I encourage you to try to do that; you might find it to be an > educational exercise. > Yeah, I would, thanks. -- do kernel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
