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| author | Chuck Lever <chuck.lever@oracle.com> | 2013-10-17 22:13:30 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-10-28 23:30:03 +0400 |
| commit | 44c9993384e9311cd56acf6ead3baffab616ae50 (patch) | |
| tree | 3e7db3df6e09d1c4f06d107ced2b1b910852f645 /include | |
| parent | 352297b917d8a3e61a778ffb0f0195ce8550d7f5 (diff) | |
| download | linux-44c9993384e9311cd56acf6ead3baffab616ae50.tar.xz | |
NFS: Add method to detect whether an FSID is still on the server
Introduce a mechanism for probing a server to determine if an FSID
is present or absent.
The on-the-wire compound is different between minor version 0 and 1.
Minor version 0 appends a RENEW operation to identify which client
ID is probing. Minor version 1 has a SEQUENCE operation in the
compound which effectively carries the same information.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nfs4.h | 1 | ||||
| -rw-r--r-- | include/linux/nfs_xdr.h | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index e36dee52f224..c56fa8fedce9 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -460,6 +460,7 @@ enum { NFSPROC4_CLNT_FS_LOCATIONS, NFSPROC4_CLNT_RELEASE_LOCKOWNER, NFSPROC4_CLNT_SECINFO, + NFSPROC4_CLNT_FSID_PRESENT, /* nfs41 */ NFSPROC4_CLNT_EXCHANGE_ID, diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 405dfadcbc3b..8fe5b940c5f2 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1088,6 +1088,19 @@ struct nfs4_secinfo_res { struct nfs4_secinfo_flavors *flavors; }; +struct nfs4_fsid_present_arg { + struct nfs4_sequence_args seq_args; + const struct nfs_fh *fh; + clientid4 clientid; + unsigned char renew:1; +}; + +struct nfs4_fsid_present_res { + struct nfs4_sequence_res seq_res; + struct nfs_fh *fh; + unsigned char renew:1; +}; + #endif /* CONFIG_NFS_V4 */ struct nfstime4 { |