On Mon, 31 Jan 2011 10:38:10 +0100, Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > On Sun, 30 Jan 2011, Aneesh Kumar K.V wrote: > > The patch series implement buffered write and writeable mmap for 9P > > P9 is supposed to work with servers on the local machine, right? Yes > > In that case you need to think about various deadlock scenarios. An > example: the P9 server needs a large order allocation while serving > the buffered write request. That may trigger the page reclaim and go > into synchronous writeback, possibly waiting on the exact page which > the P9 server is just trying to finish writing out. > > This is not easy to deal with, see commit 3be5a52b for the fuse > solution. I'm not saying it's the only way, there may be a better > one. > Thanks for the commit info. I will look at the details and see how best we can solve this in 9P -aneesh -- 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
