Sorry,I will fix this error on 4.4 and 4.9,and then send a patch for 4.4 and 4.9,thanks! 发自我的iPhone > 在 2020年8月6日,上午9:19,Sasha Levin <sashal@xxxxxxxxxx> 写道: > > On Wed, Aug 05, 2020 at 10:51:07AM +0200, Jan Kara wrote: >> Note to stable tree maintainers (summary from the rather long changelog): >> This is a non-upstream patch. It will not go upstream because the problem >> there has been fixed by converting ext4 to use iomap infrastructure. >> However that change is out of scope for stable kernels and this is a >> minimal fix for the problem that has hit real-world applications so I think >> it would be worth it to include the fix in stable trees. Thanks. > > How far back should it go? It breaks the build on 4.9 and 4.4 but the > fix for the breakage is trivial. > > It does however suggest that this fix wasn't tested on 4.9 or 4.4, so > I'd like to clarify it here before fixing it up (or dropping it). > > -- > Thanks, > Sasha