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Fix for github issue #2220. (#4497)
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Document the limitation in the Passthrough Conncector section of the VOL Connector Author Guide.
The limitation is posted by Neil in the github issue on Dec 22, 2022.
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vchoi-hdfgroup authored May 17, 2024
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Expand Up @@ -306,6 +306,13 @@ it may be some time before that work is complete.
\subsection subsecVOLPassthrough Passthrough Connectors
Coming Soon

Note:
Passthrough VOL connectors should avoid doing anything with the file in the open and create
callbacks except opening it. If connectors need to do anything else they should use the post
open callback (H5VL_NATIVE_FILE_POST_OPEN op_type for the file "optional" callback),
making sure to perform operations on the file only after passing the post open call down to
the terminal connector. The post open callback is made for both file open and file create calls.

\subsection subsecVOLAsync Asynchronous Operations
Coming Soon

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