On Mon, 10 Dec 2012, Jimmy Tang wrote: > > On 9 Dec 2012, at 18:22, Noah Watkins wrote: > > > On Sun, Dec 9, 2012 at 10:05 AM, Gregory Farnum <greg@xxxxxxxxxxx> wrote: > >> Oooh, very nice! Do you have a list of the dependencies that you actually needed to install? > > > > I can put that together. They were boost, gperf, fuse4x, cryptopp. I > > think that might have been it. > > > > Is libaio really needed to build ceph-fuse? I use macports on my system > and the last time I tried to make a change set to let ceph/ceph-fuse > build on my laptop failed as I didn't have libaio, though I could just > write a port for it. libaio is only used by ceph-osd. Not needed by fuse. sage > > >> Apart from breaking this up into smaller patches, we'll also want to reformat some of it. Rather than sticking an #if APPLE on top of every spin lock, we should have utility functions that do this for us. ;) > > > > Definitely. OSX has spinlock implementations for user space, but it's > > going to take some reading. For example, spinlocks in Ceph are > > initialized for shared memory, rather than the default private. It > > isn't clear from documentation what the semantics are of OSX > > spinlocks, nor is it clear if the shared memory attribute is needed. > > > >> Also, we should be able to find libatomic_ops for OS X (its parent project works under OS X), and we can use that to construct a spin lock if we think it'll be useful. I'm not too sure how effective its muteness are at spinlock-y workloads. > > > > This patch set uses the OSX atomic inc/dec ops, rather than spinlocks. > > > > Another fun fact: > > > > msg/Pipe.cc and common/pipe.c are compiled into libcommon_la-Pipe.o > > and libcommon_la-pipe.o, but HFS+ is case-insensitive by default. > > Result is duplicate symbols. That took a while to figure out :P > > > > good catch, that might explain why my last look at ceph on osx failed so miserably. > > > Jimmy. > > -- > Senior Software Engineer, Digital Repository of Ireland (DRI) > Trinity Centre for High Performance Computing, > Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. > http://www.tchpc.tcd.ie/ | jtang@xxxxxxxxxxxx > Tel: +353-1-896-3847 > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
