Re: [PATCH] nfs: add 'noextend' option for lock-less 'lost writes' prevention

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On Wed, Jun 19, 2024 at 05:31:08PM +0300, Sagi Grimberg wrote:
> > buffered I/O model. So this would allow the user or sysadmin to specify
> > at file creation time that this file will be used for purposes that are
> > incompatible with caching.
> 
> user/sysadmin as in not the client? setting this out-of-band?
> That does not work where the application and the sysadmin do not know about
> each other (i.e. in a cloud environment).
> 
> The use-case that is described here cannot be mandated by the server because
> the file usage pattern is really driven by the application.

The way I understood Trond is that it is set on the client, but the
application or and out of band tool.  Think of the attributes set by
chattr.





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