NFSv4.1: Add tracepoints for debugging slot table operations

[mirror_ubuntu-hirsute-kernel.git] / fs / nfs / nfs4session.h

diff --git a/fs/nfs/nfs4session.h b/fs/nfs/nfs4session.h
index 3a153d82b90c638215b5d01c68b68116a454d515..e3e6ce357f69af8df9d3f7ba7c3450a38dd1371d 100644 (file)
--- a/fs/nfs/nfs4session.h
+++ b/fs/nfs/nfs4session.h
@@ -8,7 +8,7 @@
 #define __LINUX_FS_NFS_NFS4SESSION_H
 
 /* maximum number of slots to use */
-#define NFS4_DEF_SLOT_TABLE_SIZE (16U)
+#define NFS4_DEF_SLOT_TABLE_SIZE (64U)
 #define NFS4_MAX_SLOT_TABLE (1024U)
 #define NFS4_NO_SLOT ((u32)-1)
 
@@ -117,6 +117,16 @@ static inline int nfs4_has_persistent_session(const struct nfs_client *clp)
        return 0;
 }
 
+#ifdef CONFIG_CRC32
+/*
+ * nfs_session_id_hash - calculate the crc32 hash for the session id
+ * @session - pointer to session
+ */
+#define nfs_session_id_hash(sess_id) \
+       (~crc32_le(0xFFFFFFFF, &(sess_id)->data[0], sizeof((sess_id)->data)))
+#else
+#define nfs_session_id_hash(session) (0)
+#endif
 #else /* defined(CONFIG_NFS_V4_1) */
 
 static inline int nfs4_init_session(struct nfs_client *clp)