LU-11290 ldlm: page discard speedup

[fs/lustre-release.git] / lustre / include / lustre_osc.h

diff --git a/lustre/include/lustre_osc.h b/lustre/include/lustre_osc.h
index 4072fbd..6432a59 100644 (file)
--- a/lustre/include/lustre_osc.h
+++ b/lustre/include/lustre_osc.h
@@ -169,6 +169,7 @@ struct osc_thread_info {
         */
        pgoff_t                 oti_next_index;
        pgoff_t                 oti_fn_index; /* first non-overlapped index */
+       pgoff_t                 oti_ng_index; /* negative lock caching */
        struct cl_sync_io       oti_anchor;
        struct cl_req_attr      oti_req_attr;
        struct lu_buf           oti_ladvise_buf;
@@ -227,6 +228,14 @@ enum osc_dap_flags {
         * Return the lock even if it is being canceled.
         */
        OSC_DAP_FL_CANCELING = BIT(1),
+       /**
+        * check ast data is present, requested to cancel cb
+        */
+       OSC_DAP_FL_AST       = BIT(2),
+       /**
+        * look at right region for the desired lock
+        */
+       OSC_DAP_FL_RIGHT     = BIT(3),
 };
 
 /*
@@ -690,6 +699,10 @@ int osc_fsync_ost(const struct lu_env *env, struct osc_object *obj,
 void osc_io_fsync_end(const struct lu_env *env,
                      const struct cl_io_slice *slice);
 void osc_read_ahead_release(const struct lu_env *env, void *cbdata);
+int osc_io_lseek_start(const struct lu_env *env,
+                      const struct cl_io_slice *slice);
+void osc_io_lseek_end(const struct lu_env *env,
+                     const struct cl_io_slice *slice);
 
 /* osc_lock.c */
 void osc_lock_to_lockless(const struct lu_env *env, struct osc_lock *ols,