LU-11963 osd: Add nonrotational flag to statfs

[fs/lustre-release.git] / lustre / osd-zfs / osd_handler.c

diff --git a/lustre/osd-zfs/osd_handler.c b/lustre/osd-zfs/osd_handler.c
index 9a84648..edf0a16 100644 (file)
--- a/lustre/osd-zfs/osd_handler.c
+++ b/lustre/osd-zfs/osd_handler.c
@@ -554,16 +554,23 @@ static int osd_objset_statfs(struct osd_device *osd, struct obd_statfs *osfs)
 int osd_statfs(const struct lu_env *env, struct dt_device *d,
               struct obd_statfs *osfs)
 {
-       int                rc;
+       struct osd_device *osd = osd_dt_dev(d);
+       int               rc;
        ENTRY;
 
-       rc = osd_objset_statfs(osd_dt_dev(d), osfs);
+       rc = osd_objset_statfs(osd, osfs);
        if (unlikely(rc != 0))
                RETURN(rc);
 
        osfs->os_bavail -= min_t(u64,
                                 OSD_GRANT_FOR_LOCAL_OIDS / osfs->os_bsize,
                                 osfs->os_bavail);
+
+       /* ZFS does not support reporting nonrotional status yet, so return
+        * flag only if user has set nonrotational.
+        */
+       osfs->os_state |= osd->od_nonrotational ? OS_STATE_NONROT : 0;
+
        RETURN(0);
 }
 
@@ -1275,6 +1282,11 @@ static int osd_device_init0(const struct lu_env *env,
        INIT_LIST_HEAD(&o->od_ios_list);
        o->od_auto_scrub_interval = AS_DEFAULT;
 
+       /* ZFS does not support reporting nonrotional status yet, so this flag
+        * is only set if explicitly set by the user.
+        */
+       o->od_nonrotational = 0;
+
 out:
        RETURN(rc);
 }