Re: [man-pages RFC PATCH v4] statx, inode: document the new STATX_INO_VERSION field

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, 2022-09-11 at 08:13 +1000, NeilBrown wrote:
> On Fri, 09 Sep 2022, Jeff Layton wrote:
> > 
> > The machine crashes and comes back up, and we get a query for i_version
> > and it comes back as X. Fine, it's an old version. Now there is a write.
> > What do we do to ensure that the new value doesn't collide with X+1? 
> 
> (I missed this bit in my earlier reply..)
> 
> How is it "Fine" to see an old version?
> The file could have changed without the version changing.
> And I thought one of the goals of the crash-count was to be able to
> provide a monotonic change id.
> 

"Fine" in the sense that we expect that to happen in this situation.
It's not fine for the clients obviously, which is why we're discussing
mitigation techniques.
-- 
Jeff Layton <jlayton@xxxxxxxxxx>




[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux