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nfsd4: implement backchannel_ctl operation

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This operation is mandatory for servers to implement.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields
2012-11-01 18:09:48 -04:00
parent c6bb3ca27d
commit cb73a9f464
6 changed files with 40 additions and 7 deletions
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7
Documentation/filesystems/nfs/nfs41-server.txt
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@@ -39,11 +39,6 @@ interoperability problems with future clients. Known issues:
from a linux client are possible, but we aren't really
conformant with the spec (for example, we don't use kerberos
on the backchannel correctly).
- Incomplete backchannel support: incomplete backchannel gss
support and no support for BACKCHANNEL_CTL mean that
callbacks (hence delegations and layouts) may not be
available and clients confused by the incomplete
implementation may fail.
- We do not support SSV, which provides security for shared
client-server state (thus preventing unauthorized tampering
with locks and opens, for example). It is mandatory for
@@ -89,7 +84,7 @@ Operations
| | MNI | or OPT) | |
+----------------------+------------+--------------+----------------+
| ACCESS | REQ | | Section 18.1 |
NS | BACKCHANNEL_CTL | REQ | | Section 18.33 |
I | BACKCHANNEL_CTL | REQ | | Section 18.33 |
I | BIND_CONN_TO_SESSION | REQ | | Section 18.34 |
| CLOSE | REQ | | Section 18.2 |
| COMMIT | REQ | | Section 18.3 |