nfsd4: track recall retries in nfs4_delegation

Move this out of a local variable into the nfs4_delegation object in
preparation for making this an async rpc call (at which point we'll need
any state like this in a common object that's preserved across function
calls).

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

2 files changed, 3 insertions, 2 deletions

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 0420b5e6e20d..b88b207d75d9 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -507,11 +507,11 @@ nfsd4_cb_recall(struct nfs4_delegation *dp)
                 .rpc_argp = dp,
                 .rpc_cred = clp->cl_cb_conn.cb_cred
         };
-        int retries = 1;
         int status = 0;
 
+        dp->dl_retries = 1;
         status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFT);
-        while (retries--) {
+        while (dp->dl_retries--) {
                 switch (status) {
                         case -EIO:
                                 /* Network partition? */
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 346b603072ce..c0c49215ddc5 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -76,6 +76,7 @@ struct nfs4_delegation {
         u32                     dl_ident;
         stateid_t               dl_stateid;
         struct knfsd_fh         dl_fh;
+        int                     dl_retries;
 };
 
 /* client delegation callback info */