On Fri, Aug 1, 2014 at 4:18 AM, Jianyu Zhan <[email protected]> wrote: > From: Jianyu Zhan <[email protected]> > > I've met such a race conditon the same as what commit 3a198886 > ("sysfs: handle 'parent deleted before child added'") tackled. > > The senario got triggered under a torturing test of quick disk > removal and plugging. > > The forementioned commit 3a198886 didn't really fix this race, > it just narrows down the racy window.
You misread the changelog. It was never meant to be a fix, its there to prevent abuses from crashing this system and rather return an error. The commit that fixed the race I was seeing is here: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3b661a92 Perhaps you have found another occasion where a device is being device_del()'d right before a device_add() attempt? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
