Am Donnerstag, 4. Oktober 2012 schrieb Alex Lyakas: > Hi Jan, > as I promised, here is some code for you to look at. > > First I will describe the approach in general. > > # Get rid of the pipe. Instead, user-space passes a buffer and kernel > fills the specified user-space buffer with commands. > # When the buffer is full, kernel stops generating commands and > returns a checkpoint to the user-space. Can it just fill a second buffer while userspace command handles the first? > # User-space does whatever it wants with the returned buffer, and then > calls the kernel again, with a buffer and a checkpoint that was > returned by the kernel from previous SEND ioctl(). > # Kernel re-arms itself to the specified checkpoint, and fills the > specified buffer with commands, attaches a new checkpoint and so on. > # Eventually kernel signals to the user that there are no more > commands. Thanks, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
