Messages in this thread | | | Date | Fri, 17 Nov 2023 09:36:40 +0100 | From | Mariusz Tkaczyk <> | Subject | Re: [PATCH] kernfs: support kernfs notify in memory recliam context |
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On Thu, 16 Nov 2023 09:04:34 -0800 junxiao.bi@oracle.com wrote:
> On 11/15/23 7:30 AM, Mariusz Tkaczyk wrote: > > > On Tue, 14 Nov 2023 15:53:47 -0800 > > junxiao.bi@oracle.com wrote: > > > >> Understood, thanks. Sound like depending on Userspace on memory reclaim > >> path is really bad idea and the only option for fixing it is to remove > >> that dependency, but i am not sure that is possible without breaking the > >> consistency of metadata. > >> > >> Thanks, > >> > >> Junxiao. > > Indeed the project of external metadata management if fragile. You cares > > about IMSM here (same as me) so ideally we should implement metadata > > management in kernel- I think that IMSM deserved that after 10 years on the > > market. There is no better option, other options are just "workarounds" for > > the lack of metadata management in kernel. > Agree, sound like that's the way to proceed. > > > > Song, any comments here? > > > > From the second hand, there is native raid which should just work, so > > maybe you can switch to the native raid? > > Unfortunately that's is not possible, it's a production setup to use > imsm raid.
Implementing IMSM in kernel is a goal for months/ years so I don't see it in a timeline you would need that on to fix your production setup. It will be a big feature, but let's wait for Song voice first.
Thanks, Mariusz
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