On Fri, 2015-09-25 at 09:49 +0300, Artem Bityutskiy wrote: > On Thu, 2015-09-24 at 16:45 -0400, Tejun Heo wrote: > > Hello, Artem. > > > > On Thu, Sep 24, 2015 at 11:09:46AM +0300, Artem Bityutskiy wrote: > > > On Wed, 2015-09-23 at 17:07 -0400, Tejun Heo wrote: > > > > So, this should make the regression go away. It doesn't fix > > > > the > > > > underlying bugs but they shouldn't get triggered by people not > > > > experimenting with cgroup. > > > > > > this hits the nail on the head and makes the problem go away. > > > > Yeah but there still is an underlying problem here. I've been > > going > > through the sync path today but can't trigger or spot anything > > wrong. > > Can you please apply the patch at the end of this mail, trigger the > > failure and report the kernel log? > > > > Thanks a lot. > > Does not compile with multiple errors like > > linux/fs/fs-writeback.c:799:10: error: ‘struct bdi_writeback’ has no > member named ‘last_comp_gen’ > bdi->wb.last_comp_gen = bdi->wb.comp_gen; I tried to extend your patch with these fields, but I am not sure I got it right, so please, send a new patch, I'll run the reboot corruption test with your patch. Please, note, because this test is about reboots, I'll probably output everything to the serial console. Therefore, please, do not print too much data. Otherwise I'd have to modify my scripts to collect dmesg before restarting, which is more work. Artem. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
