[Lustre-devel] Flush on file close

[Andreas Dilger]

One thing we can do to improve this situation a bit is to return any  
previous write error codes at close time.

Cheers, Andreas

On 2010-04-19, at 12:30, Andrew Perepechko <Andrew.Perepechko at Sun.COM>  
wrote:

> Some applications expect non-zero errno on close() for any errors  
> that may
> happen during flushing dirty cached data/metadata even though linux  
> manual
> page for close(2) suggests that fsync(2) should be used prior to  
> close(2) in
> order to detect problems like those.
>
> Since syncing may degrade performance to a large extent, what do you  
> think is
> the best/most convenient/least intrusive way to switch to that  
> behaviour?
> Should it be a mount option for the client or anything else?
>
> Andrew.
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