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-rw-r--r--fs/nfs/super.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 0d6473cb00cb..bd00cfab73d1 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1366,6 +1366,7 @@ unsigned short max_session_cb_slots = NFS4_DEF_CB_SLOT_TABLE_SIZE;
unsigned short send_implementation_id = 1;
char nfs4_client_id_uniquifier[NFS4_CLIENT_ID_UNIQ_LEN] = "";
bool recover_lost_locks = false;
+short nfs_delay_retrans = -1;
EXPORT_SYMBOL_GPL(nfs_callback_nr_threads);
EXPORT_SYMBOL_GPL(nfs_callback_set_tcpport);
@@ -1376,6 +1377,7 @@ EXPORT_SYMBOL_GPL(max_session_cb_slots);
EXPORT_SYMBOL_GPL(send_implementation_id);
EXPORT_SYMBOL_GPL(nfs4_client_id_uniquifier);
EXPORT_SYMBOL_GPL(recover_lost_locks);
+EXPORT_SYMBOL_GPL(nfs_delay_retrans);
#define NFS_CALLBACK_MAXPORTNR (65535U)
@@ -1424,5 +1426,9 @@ MODULE_PARM_DESC(recover_lost_locks,
"If the server reports that a lock might be lost, "
"try to recover it risking data corruption.");
-
+module_param_named(delay_retrans, nfs_delay_retrans, short, 0644);
+MODULE_PARM_DESC(delay_retrans,
+ "Unless negative, specifies the number of times the NFSv4 "
+ "client retries a request before returning an EAGAIN error, "
+ "after a reply of NFS4ERR_DELAY from the server.");
#endif /* CONFIG_NFS_V4 */