LU-13383 ofd: lazy atime update

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

diff --git a/lustre/ofd/ofd_internal.h b/lustre/ofd/ofd_internal.h
index 8f6a70e..9765ca0 100644 (file)
--- a/lustre/ofd/ofd_internal.h
+++ b/lustre/ofd/ofd_internal.h
@@ -53,6 +53,12 @@
 
 #define OFD_SOFT_SYNC_LIMIT_DEFAULT 16
 
+/*
+ * update atime if on-disk value older than client's one
+ * by OFD_ATIME_DIFF or more
+ */
+#define OFD_DEF_ATIME_DIFF     0 /* disabled */
+
 /* request stats */
 enum {
        LPROC_OFD_STATS_READ = 0,
@@ -150,6 +156,7 @@ struct ofd_device {
        struct attribute        *ofd_read_cache_enable;
        struct attribute        *ofd_read_cache_max_filesize;
        struct attribute        *ofd_write_cache_enable;
+       time64_t                 ofd_atime_diff;
 };
 
 static inline struct ofd_device *ofd_dev(struct lu_device *d)
@@ -176,6 +183,7 @@ struct ofd_object {
        struct lu_object_header ofo_header;
        struct dt_object        ofo_obj;
        struct filter_fid       ofo_ff;
+       time64_t                ofo_atime_ondisk;
        unsigned int            ofo_pfid_checking:1,
                                ofo_pfid_verified:1;
 };