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authorNeilBrown <neilb@suse.com>2018-12-03 11:30:30 +1100
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2018-12-19 13:52:45 -0500
commitddf529eeed59184c49dcad1633c11831f822bf6b (patch)
treec648594f18928ae2897f01ade6ca8ef337cec46f /include/linux/nfs_fs.h
parent1de7eea92946d7b581a8cd26084410913c80e594 (diff)
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.h1
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;