docs: For .open callback, clarify TLS and purpose of readonly flag.
commita5bd5b509168151c11a1d2027c662a1153e0b127
authorRichard W.M. Jones <rjones@redhat.com>
Fri, 29 Nov 2019 15:22:55 +0000 (29 15:22 +0000)
committerRichard W.M. Jones <rjones@redhat.com>
Sat, 30 Nov 2019 16:30:54 +0000 (30 16:30 +0000)
treebf5f0b8989cd234f2e45b3b2de9905f762592cf8
parent45c5f0b086e71aaf813159537525c0dc89da403a
docs: For .open callback, clarify TLS and purpose of readonly flag.

In commit c05686f9577f we delayed the .open callback until the NBD
handshake, including TLS authentication, had been completed, but we
didn't update the documentation.

This also clarifies the purpose of the readonly flag.
docs/nbdkit-plugin.pod