Messages in this thread | | | Subject | Re: LVM snapshot broke between 4.14 and 4.16 | From | WGH <> | Date | Sat, 4 Aug 2018 13:01:32 +0300 |
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On 08/03/2018 10:22 PM, Linus Torvalds wrote: > And in fact, maybe the right thing to do is to not revert the original > commit entirely, but instead just weaken it a lot. Turn the "you did a > write request on a RO disk" into a WARN_ON_ONCE() instead of a hard > error. > > Something like the attached patch. > > WGH, do you build your own kernels? Does this attached (untested) > patch make things work for you? It should give a big warning, but let > the old behavior through..
The patch works for me.
However, there's no text messsage in the kernel log, just a traceback. I think that's because WARN_ONCE is supposed to take condition as a first argument.
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