LU-13238 ofd: add OFD access logs

[fs/lustre-release.git] / lustre / ofd / ofd_internal.h

diff --git a/lustre/ofd/ofd_internal.h b/lustre/ofd/ofd_internal.h
index 9765ca0..da30314 100644 (file)
--- a/lustre/ofd/ofd_internal.h
+++ b/lustre/ofd/ofd_internal.h
@@ -120,6 +120,10 @@ struct ofd_device {
        __u64                    ofd_inconsistency_self_detected;
        __u64                    ofd_inconsistency_self_repaired;
 
+       struct ofd_access_log   *ofd_access_log;
+       unsigned int             ofd_access_log_size;
+       unsigned int             ofd_access_log_mask;
+
        struct list_head        ofd_seq_list;
        rwlock_t                ofd_seq_list_lock;
        int                     ofd_seq_count;
@@ -289,6 +293,18 @@ struct ofd_thread_info {
 extern void target_recovery_fini(struct obd_device *obd);
 extern void target_recovery_init(struct lu_target *lut, svc_handler_t handler);
 
+/* ofd_access_log.c */
+bool ofd_access_log_size_is_valid(unsigned int size);
+int ofd_access_log_module_init(void);
+void ofd_access_log_module_exit(void);
+
+struct ofd_access_log;
+struct ofd_access_log *ofd_access_log_create(const char *ofd_name, size_t size);
+void ofd_access_log_delete(struct ofd_access_log *oal);
+void ofd_access(struct ofd_device *m,
+               const struct lu_fid *parent_fid, __u64 begin, __u64 end,
+               unsigned int size, unsigned int segment_count, int rw);
+
 /* ofd_dev.c */
 extern struct lu_context_key ofd_thread_key;
 int ofd_postrecov(const struct lu_env *env, struct ofd_device *ofd);