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| author |   NeilBrown <neilb@suse.com> | 2018-12-03 11:30:30 +1100 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2018-12-19 13:52:45 -0500 |
| commit | ddf529eeed59184c49dcad1633c11831f822bf6b (patch) | |
| tree | c648594f18928ae2897f01ade6ca8ef337cec46f /include/linux/nfs_fs.h | |
| parent | SUNRPC: add side channel to use non-generic cred for rpc call. (diff) | |
| download | wireguard-linux-ddf529eeed59184c49dcad1633c11831f822bf6b.tar.xz wireguard-linux-ddf529eeed59184c49dcad1633c11831f822bf6b.zip | |
NFS: move credential expiry tracking out of SUNRPC into NFS.
NFS needs to know when a credential is about to expire so that
it can modify write-back behaviour to finish the write inside the
expiry time.
It currently uses functions in SUNRPC code which make use of a
fairly complex callback scheme and flags in the generic credientials.
As I am working to discard the generic credentials, this has to change.
This patch moves the logic into NFS, in part by finding and caching
the low-level credential in the open_context. We then make direct
cred-api calls on that.
This makes the code much simpler and removes a dependency on generic
rpc credentials.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include/linux/nfs_fs.h')
| -rw-r--r-- | include/linux/nfs_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 6e0417c02279..ecf22c0034d5 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -71,6 +71,7 @@ struct nfs_open_context { fl_owner_t flock_owner; struct dentry *dentry; struct rpc_cred *cred; + struct rpc_cred *ll_cred; /* low-level cred - use to check for expiry */ struct nfs4_state *state; fmode_t mode; |