RE: open sets ext4_da_aops for DAX existing files

Mon, 10 Sep 2018 10:58:49 -0700 


> -----Original Message-----
> From: Linux-nvdimm [mailto:[email protected]] On Behalf Of 
> Kani, Toshi
> Sent: Monday, September 10, 2018 9:52 AM
> To: [email protected]
> Cc: [email protected]; [email protected]
> Subject: Re: open sets ext4_da_aops for DAX existing files
...
> > Good catch. Will you send a fix? I.e., call ext4_set_inode_flags() earlier
> > in the ext4_iget()? Did this bug have any user visible manifestations?
> 
> Yes, sync did not flush processor cache.
> 
> > Please also add:
> >
> > Fixes: 5f0663bb4a64f588f0a2dd6d1be68d40f9af0086
> >
> > so that stable automation picks this up. Thanks!
> >
> 
> Will do.
> 

Also check if the same problem exists with ext2.

---
Robert Elliott, HPE Persistent Memory




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