X-Git-Url: https://git.whamcloud.com/gitweb?a=blobdiff_plain;f=lustre%2Fosd-ldiskfs%2Fosd_lproc.c;h=02cf9724a0b8f6a6be138d07836b4e2f71a5ed16;hb=68635c3d9b3113621b93fd989f1a3f8f064385b9;hp=9a2e12a3712ec27528a3e90b6bfe0c5ac37a53d1;hpb=20472b4070495c1bb2796ce2682aefdf2fe8a3f6;p=fs%2Flustre-release.git

diff --git a/lustre/osd-ldiskfs/osd_lproc.c b/lustre/osd-ldiskfs/osd_lproc.c
index 9a2e12a..02cf972 100644
--- a/lustre/osd-ldiskfs/osd_lproc.c
+++ b/lustre/osd-ldiskfs/osd_lproc.c
@@ -353,6 +353,43 @@ ssize_t force_sync_store(struct kobject *kobj, struct attribute *attr,
 }
 LUSTRE_WO_ATTR(force_sync);
 
+static ssize_t nonrotational_show(struct kobject *kobj, struct attribute *attr,
+				  char *buf)
+{
+	struct dt_device *dt = container_of(kobj, struct dt_device,
+					    dd_kobj);
+	struct osd_device *osd = osd_dt_dev(dt);
+
+	LASSERT(osd);
+	if (unlikely(!osd->od_mnt))
+		return -EINPROGRESS;
+
+	return sprintf(buf, "%u\n", osd->od_nonrotational);
+}
+
+static ssize_t nonrotational_store(struct kobject *kobj,
+				   struct attribute *attr, const char *buffer,
+				   size_t count)
+{
+	struct dt_device *dt = container_of(kobj, struct dt_device,
+					    dd_kobj);
+	struct osd_device *osd = osd_dt_dev(dt);
+	bool val;
+	int rc;
+
+	LASSERT(osd);
+	if (unlikely(!osd->od_mnt))
+		return -EINPROGRESS;
+
+	rc = kstrtobool(buffer, &val);
+	if (rc)
+		return rc;
+
+	osd->od_nonrotational = val;
+	return count;
+}
+LUSTRE_RW_ATTR(nonrotational);
+
 static ssize_t pdo_show(struct kobject *kobj, struct attribute *attr,
 			char *buf)
 {
@@ -668,6 +705,7 @@ static struct attribute *ldiskfs_attrs[] = {
 	&lustre_attr_fstype.attr,
 	&lustre_attr_mntdev.attr,
 	&lustre_attr_force_sync.attr,
+	&lustre_attr_nonrotational.attr,
 	&lustre_attr_index_backup.attr,
 	&lustre_attr_auto_scrub.attr,
 	&lustre_attr_pdo.attr,