On 13 April 2011 21:11, Ric Wheeler <ricwheeler@xxxxxxxxx> wrote: > On 04/13/2011 02:58 PM, Michal Suchanek wrote: >> >> On 13 April 2011 19:26, Ric Wheeler<ricwheeler@xxxxxxxxx> Âwrote: >>> >>> On 04/12/2011 05:36 PM, Michal Suchanek wrote: >>>> >>>> On 12 April 2011 22:31, Ric Wheeler<ricwheeler@xxxxxxxxx> Â Âwrote: >>>>> >>>>> On 04/12/2011 11:00 AM, Michal Suchanek wrote: >>>>>> >>>>>> Hello, >>>>>> >>>>>> as some already know the Unionmount VFS union which has been in >>>>>> development for some years now is the only True Union (TM) that can be >>>>>> accepted into the kernel mainline by the VFS maintainers (for reasons >>>>>> of their own which you can surely find if you search the web or ask >>>>>> them directly). >>>>>> >>>>>> The current UnionMount version that can be found here: >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> http://git.kernel.org/?p=linux/kernel/git/val/linux-2.6.git;a=shortlog;h=refs/heads/ext2_works >>>>>> >>>>>> works for me as good as aufs does. That is I can build a live CD using >>>>>> this unioning solution and it boots and runs without any apparent >>>>>> issues. >>>>>> >>>>>> There are probably many possible uses of the union which I did not >>>>>> test nor did I test long term stability of using the unioned >>>>>> filesystem. As far as ephemeral live systems go it works fine for me, >>>>>> though. >>>>>> >>>>>> The issue is that while the code is (nearly) finished it is not yet >>>>>> merged into mainline and as I am not familiar with the details of >>>>>> ever-changing Linux VFS layer forward-porting this code to current >>>>>> kernels is somewhat challenging. >>>>>> >>>>>> What is the plan with unionmount now? >>>>>> >>>>>> What is required Âfor it to be merged into mainline? >>>>>> >>>>>> Thanks >>>>>> >>>>>> Michal >>>>> >>>>> Hi Michal, >>>>> >>>>> People are actively looking to see what union mount (or overlayfs) >>>>> solution >>>>> to pursue. Val has shifted her focus away from kernel hacking these >>>>> days, >>>>> but did refresh her patch set in the last month or so. >>>> >>>> I am not aware of such refreshed patch set, at least it is not >>>> published in her repo. >>>> >>> Val posted the refreshed patches with the title on March 22nd: >>> >>> http://lwn.net/Articles/435019/ >>> >> That article references the same four months old repo which I >> mentioned at the start of the thread, only a slightly different >> branch. >> >> While it maybe useful for testing unionmount (which I already tried) >> it is not a patch against current kernel which could be used to build >> current live images. >> >> Thanks >> >> Michal > > She did post the patch series that same date in March - you can probably > grab the series from linux-fsdevel, look for this series: > > "[PATCH 00/74] Union mounts version something or other" > > Al Viro was planning on looking at her refreshed patches (he had reviewed > them with her in person), but that is not going to happen any time soon so > getting more eyes and testing would be great! > Even gmame can't collect the patches back from the ML, I don't want to try. However, the discussion suggests that these are exactly the 4 months old branch ending in a commit with the summary "Temporary commit" which did not inspire confidence in me so I used the previous (also 4 moths old) branch. Thanks Michal -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html