z/OS UNIX System Services File System Interface Reference
z/OS UNIX System Services File System Interface Reference
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Impact on initialization z/OS UNIX System Services File System Interface Reference SA23-2285-00 |
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The PFS signifies that it supports asynchronous I/O on the pfsi_asyio bit that is returned during PFS initialization. To support asynchronous I/O, the PFS must also support SRB-mode callers, because Part 2 runs from an SRB, and it must support vn_cancel. The LFS inhibits asynchronous calls to PFSs that do not support them. 
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 Copyright IBM Corporation 1990, 2014 |
