On Mon, Mar 19, 2018 at 04:59:00PM +0200, Amir Goldstein wrote: > On Mon, Mar 19, 2018 at 3:40 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Mar 14, 2018 at 08:24:30AM +0200, Amir Goldstein wrote: > >> On Tue, Mar 13, 2018 at 11:50 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > >> > On Tue, Mar 13, 2018 at 04:33:15PM +0200, Amir Goldstein wrote: > >> >> On Tue, Mar 13, 2018 at 3:11 PM, Christoph Hellwig <hch@xxxxxx> wrote: > >> >> > On Tue, Mar 13, 2018 at 02:46:09PM +0200, Amir Goldstein wrote: > >> >> >> OK, found the patches the fix soft lockups in generic/269 and > >> >> >> assertion in generic/232, so expunging those 2 tests from v4.15.y > >> >> >> test runs. > >> >> > > >> >> > Which patches are those? We should probably backport them to 4.15-stable. > >> >> > >> >> Probably, but I guess Darrick has those in his TODO. > >> >> > >> >> There is this series that refers to failure in generic/232: > >> >> https://marc.info/?l=linux-xfs&m=151701545720824&w=2 > >> >> > >> >> These 2 commits refer to generic/269 specifically in commit message: > >> >> 70c57dcd606f xfs: skip CoW writes past EOF when writeback races with truncate > >> >> be78ff0e7277 xfs: recheck reflink / dirty page status before freeing > >> >> CoW reservations > >> >> and the thread on the second commit also mentions generic/270 > >> >> (I found out the hard way that it also soft locks). > >> >> > >> >> But there are surely more patches for stable in master. > >> >> I recon CC: stable and/or Fixes: tags could have been helpful, > >> >> but I don't see any of those in v4.16-rcX from the core xfs developers. > >> > > >> > AS I always say: if you want to maintain a stable backport kernel > >> > with all the fixes that go into the bleeding edge, you're more than > >> > welcome to do it. > >> > > >> > Everyone else is flat out just keeping up with on going development > >> > and fixing bugs in the kernel as it's moving forward. So if you have > >> > the need for stable backports, please keep backporting patches you > >> > need, testing them and asking the stable maintainers to include > >> > them. > >> > > >> > >> Greg, > >> > >> I tested the patch in question per Darrick's request. > >> I found no regressions with full "auto" run on xfs with reflinks enabled. > >> Please include this patch in stable 4.15. > > > > I have no idea anymore what "this patch" means here :( > > > > Please resend the git commit id of what I need to apply to where. > > > > Please apply commit > acd1d71598f7 xfs: preserve i_rdev when recycling a reclaimable inode > > to stable kernel v4.15 Now applied, thanks. greg k-h