On Fri, 11 Aug 2006 01:11:23 +0400 Alex Tomas <alex@xxxxxxxxxxxxx> wrote: > >> A buffer_head is the kernel's sole abstraction of a disk block. > >> Filesystems use disk blocks a lot, and they need such an abstraction. > > JG> IMO Al Viro work has shown that you can do pagecache I/O without needing > JG> such a heavyweight system. > > in delayed allocation patch for ext3 (ontop of extents) we do use > bio's for data. As does ext3 with `-o writeback,nobh'. - 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