LU-16454 mdt: Add a per-MDT "max_mod_rpcs_in_flight"

[fs/lustre-release.git] / lustre / mdt / mdt_internal.h

diff --git a/lustre/mdt/mdt_internal.h b/lustre/mdt/mdt_internal.h
index 6866402..60d6d30 100644 (file)
--- a/lustre/mdt/mdt_internal.h
+++ b/lustre/mdt/mdt_internal.h
@@ -288,6 +288,9 @@ struct mdt_device {
 
        int                        mdt_max_ea_size;
 
+       /* Max modify RPCs, replaces max_mod_rpcs_per_client module param */
+       unsigned int                       mdt_max_mod_rpcs_in_flight;
+
        /* preferred BRW size, decided by storage type and capability */
        __u32                      mdt_brw_size;
 
@@ -1515,4 +1518,15 @@ int mdt_is_remote_object(struct mdt_thread_info *info,
                         struct mdt_object *parent,
                         struct mdt_object *child);
 
+static unsigned int max_mod_rpcs_per_client = OBD_MAX_RIF_DEFAULT;
+#if OBD_OCD_VERSION(3, 0, 53, 0) > LUSTRE_VERSION_CODE
+static inline bool mdt_max_mod_rpcs_changed(struct mdt_device *mdt)
+{
+       return max_mod_rpcs_per_client != OBD_MAX_RIF_DEFAULT &&
+               mdt->mdt_max_mod_rpcs_in_flight == OBD_MAX_RIF_DEFAULT;
+}
+#else
+#define mdt_max_mod_rpcs_changed(mdt) false
+#endif
+
 #endif /* _MDT_INTERNAL_H */