* DAX enabled. Warning: EXPERIMENTAL, use at your own risk [not found] <83993302.1433078.1505327170801.ref@mail.yahoo.com> @ 2017-09-13 18:26 ` Soccer Liu 2017-09-13 19:50 ` Ross Zwisler 0 siblings, 1 reply; 2+ messages in thread From: Soccer Liu @ 2017-09-13 18:26 UTC (permalink / raw) To: Linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Hi: During my debugging, I kept seeing this message from the DAX enabled mount operation. [ 0.757990] EXT4-fs (pmem0): DAX enabled. Warning: EXPERIMENTAL, use at your own risk I am wondering how far this DAX feature is still away from becoming a "non-experimental" feature. (Another way of asking my questions: are there any major issues that's blocking it?) Any idea? ThanksCheng-mean _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: DAX enabled. Warning: EXPERIMENTAL, use at your own risk 2017-09-13 18:26 ` DAX enabled. Warning: EXPERIMENTAL, use at your own risk Soccer Liu @ 2017-09-13 19:50 ` Ross Zwisler 0 siblings, 0 replies; 2+ messages in thread From: Ross Zwisler @ 2017-09-13 19:50 UTC (permalink / raw) To: Soccer Liu; +Cc: Linux-nvdimm@lists.01.org On Wed, Sep 13, 2017 at 06:26:10PM +0000, Soccer Liu wrote: > > Hi: > During my debugging, I kept seeing this message from the DAX enabled mount > operation. > > [ 0.757990] EXT4-fs (pmem0): DAX enabled. Warning: EXPERIMENTAL, use at your own risk > > I am wondering how far this DAX feature is still away from becoming a > "non-experimental" feature. (Another way of asking my questions: are there > any major issues that's blocking it?) We talked about this a bit as a group during my LSF/MM talk this year: https://lwn.net/Articles/717953/ Essentially the consensus was that we need to make the XFS and ext4 mount options consistent and get reflink + DAX in a better state. We also probably figure out the per-DAX inode issues that have recently been under discussion: https://lkml.org/lkml/2017/9/6/529 There will always be work to do, but I think those are the things that are standing between us and removing the EXPERIMENTAL warning. _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm ^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-09-13 18:26 ` DAX enabled. Warning: EXPERIMENTAL, use at your own risk Soccer Liu
2017-09-13 19:50 ` Ross Zwisler
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