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Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 13321dbb5fbc..2003cf86fb8d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -78,7 +78,7 @@
static LIST_HEAD(pers_list);
static DEFINE_SPINLOCK(pers_lock);
-static struct kobj_type md_ktype;
+static const struct kobj_type md_ktype;
struct md_cluster_operations *md_cluster_ops;
EXPORT_SYMBOL(md_cluster_ops);
@@ -3600,7 +3600,7 @@ static const struct sysfs_ops rdev_sysfs_ops = {
.show = rdev_attr_show,
.store = rdev_attr_store,
};
-static struct kobj_type rdev_ktype = {
+static const struct kobj_type rdev_ktype = {
.release = rdev_free,
.sysfs_ops = &rdev_sysfs_ops,
.default_groups = rdev_default_groups,
@@ -5558,7 +5558,7 @@ static const struct sysfs_ops md_sysfs_ops = {
.show = md_attr_show,
.store = md_attr_store,
};
-static struct kobj_type md_ktype = {
+static const struct kobj_type md_ktype = {
.release = md_kobj_release,
.sysfs_ops = &md_sysfs_ops,
.default_groups = md_attr_groups,
@@ -7974,6 +7974,9 @@ void md_error(struct mddev *mddev, struct md_rdev *rdev)
return;
mddev->pers->error_handler(mddev, rdev);
+ if (mddev->pers->level == 0 || mddev->pers->level == LEVEL_LINEAR)
+ return;
+
if (mddev->degraded && !test_bit(MD_BROKEN, &mddev->flags))
set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
sysfs_notify_dirent_safe(rdev->sysfs_state);
@@ -8029,16 +8032,16 @@ static int status_resync(struct seq_file *seq, struct mddev *mddev)
} else if (resync > max_sectors) {
resync = max_sectors;
} else {
- resync -= atomic_read(&mddev->recovery_active);
- if (resync < MD_RESYNC_ACTIVE) {
- /*
- * Resync has started, but the subtraction has
- * yielded one of the special values. Force it
- * to active to ensure the status reports an
- * active resync.
- */
+ res = atomic_read(&mddev->recovery_active);
+ /*
+ * Resync has started, but the subtraction has overflowed or
+ * yielded one of the special values. Force it to active to
+ * ensure the status reports an active resync.
+ */
+ if (resync < res || resync - res < MD_RESYNC_ACTIVE)
resync = MD_RESYNC_ACTIVE;
- }
+ else
+ resync -= res;
}
if (resync == MD_RESYNC_NONE) {