X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fosd-ldiskfs%2Fosd_lproc.c;fp=lustre%2Fosd-ldiskfs%2Fosd_lproc.c;h=42fa6c30ea83660bf2916a7dd924dbf1e7dbcf8a;hb=1734c4746d98dfa6fc6559841be8028a22465718;hp=97efb3680fb9d436b8ec1b18aa58193eb25b4e74;hpb=b5f71a7e7528831a0a2c7d02b5bd98d68fcb1855;p=fs%2Flustre-release.git

diff --git a/lustre/osd-ldiskfs/osd_lproc.c b/lustre/osd-ldiskfs/osd_lproc.c
index 97efb36..42fa6c3 100644
--- a/lustre/osd-ldiskfs/osd_lproc.c
+++ b/lustre/osd-ldiskfs/osd_lproc.c
@@ -575,6 +575,24 @@ static ssize_t full_scrub_threshold_rate_store(struct kobject *kobj,
 }
 LUSTRE_RW_ATTR(full_scrub_threshold_rate);
 
+static ssize_t extent_bytes_allocation_show(struct kobject *kobj,
+					    struct attribute *attr, char *buf)
+{
+	struct dt_device *dt = container_of(kobj, struct dt_device,
+					    dd_kobj);
+	struct osd_device *dev = osd_dt_dev(dt);
+	int i;
+	unsigned int min = (unsigned int)(~0), cur;
+
+	for_each_online_cpu(i) {
+		cur = *per_cpu_ptr(dev->od_extent_bytes_percpu, i);
+		if (cur < min)
+			min = cur;
+	}
+	return snprintf(buf, PAGE_SIZE, "%u\n", min);
+}
+LUSTRE_RO_ATTR(extent_bytes_allocation);
+
 static int ldiskfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
 {
 	struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
@@ -864,6 +882,7 @@ static struct attribute *ldiskfs_attrs[] = {
 	&lustre_attr_pdo.attr,
 	&lustre_attr_full_scrub_ratio.attr,
 	&lustre_attr_full_scrub_threshold_rate.attr,
+	&lustre_attr_extent_bytes_allocation.attr,
 	NULL,
 };