Hi, I'd like to discuss the current state and future direction of the DIO code. I and others have been kicking around the idea for some time now of reworking direct IO at the filesystem level in terms of bios; this will radically simplify fs/direct-IO.c, and solve some other longstanding issues, like double usage of the page cache by the loopback device - the goal will be for things like loop to just be able to submit bios to the filesystem code. Immutable biovecs are now almost upstream, which was a major prereq; this helps enables a DIO rewrite that basically pushes bios up a layer. Soon, we'll need to start reworking vfs interfaces, and input from the filesystem developers (especially btrfs) will be necessary there. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
