Does the CreateDisposition flag of a client depend on Server's response ?

Jeremy Allison jra at
Fri Feb 3 17:50:46 UTC 2023

On Fri, Feb 03, 2023 at 08:51:57PM +0530, varun mittal wrote:
>   I was able to narrow it down to the "Named Streams" bit in
>   "FileFSAttributeInformation" response.
>   When this value is toggled from 0 to 1, as is advertised by
>   `streams_xattr` VFS module, Robocopy
>   switched from FILE_OPEN to FILE_OPEN_IF.
>   Thanks

Thanks for tracking that down. What strange behavior.
I can't see why having a stream would make the open
change to optionally creating the file, but it's good
info to know. Thanks for posting the follow-up to
the list !

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