On Fri, May 18, 2012 at 04:31:08PM +0100, James Bottomley wrote: > On Fri, 2012-05-18 at 10:49 -0400, Matthew Wilcox wrote: > > You're downplaying the complexity of your own solution while overstating > > the complexity of mine. Let's compare, using your suggestion of the > > dmesg buffer. > > I'll give you that one when you tell me how you use your vfs interface > simply from within the kernel. Both are always about the same > complexity in user space ... > > To be honest, I'm not hugely concerned whether the key management API is > u32 or a string. What bothers me the most is that there will be > in-kernel users for whom trying to mmap a file through the vfs will be > hugely more complex than a simple give me a pointer to this persistent > region. Huh? You snipped the example where I showed exactly that. The user calls nvm_map() and gets back a pointer to a kernel mapping for the persistent region. -- 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