Hello, On Sun, Feb 3, 2013 at 6:18 AM, Steve Wise <sw...@opengridcomputing.com> wrote: > Is there a git tree somewhere that I can use to test these patches out?
git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git convert-to-idr_alloc >> - return ret; >> + if (lock) { >> + idr_preload(GFP_KERNEL); >> + spin_lock_irq(&rhp->lock); >> + } > > The idr_preload() needs to be above the 'if (lock)', no? No reason to preload for ATOMIC allocation. idr_alloc() can be called by itself. >> + >> + ret = idr_alloc(idr, handle, id, id + 1, GFP_ATOMIC); >> + >> + if (lock) { >> + spin_unlock_irq(&rhp->lock); >> + idr_preload_end(); >> + } > > And idr_preload_end() should be after the 'if (lock)' block methinks... Ditto. >> + >> + BUG_ON(ret == -ENOSPC); >> + return ret < 0 ? ret : 0; > > What would cause ret > 0? It's the allocated id. In this case, ret would either be @id or -errno. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/