On 8/26/20 7:54 PM, Jens Axboe wrote: > On 8/25/20 8:18 AM, Jens Axboe wrote: >> On 8/24/20 4:56 AM, Jens Axboe wrote: >>> On 8/22/20 9:48 AM, Jens Axboe wrote: >>>> On 8/22/20 8:33 AM, Theodore Y. Ts'o wrote: >>>>> On Fri, Aug 21, 2020 at 03:26:35PM -0600, Jens Axboe wrote: >>>>>>>>> Resending this one, as I've been carrying it privately since May. The >>>>>>>>> necessary bits are now upstream (and XFS/btrfs equiv changes as well), >>>>>>>>> please consider this one for 5.9. Thanks! >>>>>>>> >>>>>>>> The necessary commit only hit upstream as of 5.9-rc1, unless I'm >>>>>>>> missing something? It's on my queue to send to Linus once I get my >>>>>>>> (late) ext4 primary pull request for 5.9. >>>>>>> >>>>>>> Right, it went in at the start of the merge window for 5.9. Thanks Ted! >>>>>> >>>>>> Didn't see it in the queue that just sent in, is it still queued up? >>>>> >>>>> It wasn't in the queue which I queued up because that was based on >>>>> 5.8-rc4. Linus was a bit grumpy (fairly so) because it was late, and >>>>> that's totally on me. >>>>> >>>>> He has said that he's going to start ignoring pull requests that >>>>> aren't fixes only if this becomes a pattern, so while I can send him >>>>> another pull request which will just have that one change, there are >>>>> no guarantees he's going to take it at this late date. >>>>> >>>>> Sorry, when you sent me the commit saying that the changes that were >>>>> needed were already upstream on August 3rd, I thought that meant that >>>>> they were aready in Linus's tree. I should have checked and noticed >>>>> that that in fact "ext4: flag as supporting buffered async reads" >>>>> wasn't compiling against Linus's upstream tree, so I didn't realize >>>>> this needed to be handled as a special case during the merge window. >>>> >>>> Well to be honest, this kind of sucks. I've been posting it since May, >>>> and the ideal approach would have been to just ack it and I could have >>>> carried it in my tree. That's what we did for btrfs and XFS, both of >>>> which have it. >>>> >>>> The required patches *were* upstreamed on August 3rd, which is why I >>>> mentioned that. But yes, not in 5.8 or earlier, of course. >>>> >>>> So I suggest that you either include it for the next pull request for >>>> Linus, or that I put it in with your ack. Either is fine with me. I'd >>>> consider this a "dropping the ball" kind of thing, it's not like the >>>> patch hasn't been in linux-next or hasn't been ready for months. This >>>> isn't some "oh I wrote this feature after the merge window" event. It'd >>>> be a real shame to ship 5.9 and ext4 not have support for the more >>>> efficient async buffered reads, imho, especially since the two other >>>> major local file systems already have it. >>>> >>>> Let me know what you think. >>> >>> Ted, can you make a call on this, please? It's now post -rc2. Let's >>> get this settled and included, one way or another. >> >> Daily ping on this one... > > And again. Ted, not sure how to make any progress with this, to be > honest, it's like pounding sand. And 8 days later... -- Jens Axboe