Hi, Sorry, these patches are for linux-2.6.25. > This series of patches make the block I/O layer and the I/O schedulers > be able to determine the right io_context of every I/O. > > The current implementation of the block I/O layer and the I/O schedulers > assume that the current process is the one which issued the given I/O, > then use the io_context of this process to control the I/O. > But this assumption isn't quite right because several kernel threads > will handle I/O requests on behalf of the processes which originated them. > This often happens when you want to use device mapper modules. > > The patches make every bio has a pointer to an io_context, which will > be set when it is allocated or cloned. So it makes it possible to find > the right io_context from any bio at any place. > > I'm waiting for your comments. > > Thank you, > Hirokazu Takahashi. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
