md: Export and rename kick_rdev_from_array

This export is required for clustering module in order to
co-ordinate remove/readd a rdev from all nodes.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: NeilBrown <neilb@suse.de>

2 files changed, 10 insertions, 8 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index eb6f92e57ab6..bc1e43014292 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2168,11 +2168,12 @@ static void export_rdev(struct md_rdev *rdev)
         kobject_put(&rdev->kobj);
 }
 
-static void kick_rdev_from_array(struct md_rdev *rdev)
+void md_kick_rdev_from_array(struct md_rdev *rdev)
 {
         unbind_rdev_from_array(rdev);
         export_rdev(rdev);
 }
+EXPORT_SYMBOL_GPL(md_kick_rdev_from_array);
 
 static void export_array(struct mddev *mddev)
 {
@@ -2181,7 +2182,7 @@ static void export_array(struct mddev *mddev)
         while (!list_empty(&mddev->disks)) {
                 rdev = list_first_entry(&mddev->disks, struct md_rdev,
                                         same_set);
-                kick_rdev_from_array(rdev);
+                md_kick_rdev_from_array(rdev);
         }
         mddev->raid_disks = 0;
         mddev->major_version = 0;
@@ -2476,7 +2477,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len)
                         struct mddev *mddev = rdev->mddev;
                         if (mddev_is_clustered(mddev))
                                 md_cluster_ops->metadata_update_start(mddev);
-                        kick_rdev_from_array(rdev);
+                        md_kick_rdev_from_array(rdev);
                         if (mddev->pers)
                                 md_update_sb(mddev, 1);
                         md_new_event(mddev);
@@ -3134,7 +3135,7 @@ static void analyze_sbs(struct mddev *mddev)
                                 "md: fatal superblock inconsistency in %s"
                                 " -- removing from array\n",
                                 bdevname(rdev->bdev,b));
-                        kick_rdev_from_array(rdev);
+                        md_kick_rdev_from_array(rdev);
                 }
 
         super_types[mddev->major_version].
@@ -3149,7 +3150,7 @@ static void analyze_sbs(struct mddev *mddev)
                                "md: %s: %s: only %d devices permitted\n",
                                mdname(mddev), bdevname(rdev->bdev, b),
                                mddev->max_disks);
-                        kick_rdev_from_array(rdev);
+                        md_kick_rdev_from_array(rdev);
                         continue;
                 }
                 if (rdev != freshest) {
@@ -3158,7 +3159,7 @@ static void analyze_sbs(struct mddev *mddev)
                                 printk(KERN_WARNING "md: kicking non-fresh %s"
                                         " from array!\n",
                                         bdevname(rdev->bdev,b));
-                                kick_rdev_from_array(rdev);
+                                md_kick_rdev_from_array(rdev);
                                 continue;
                         }
                         /* No device should have a Candidate flag
@@ -3167,7 +3168,7 @@ static void analyze_sbs(struct mddev *mddev)
                         if (test_bit(Candidate, &rdev->flags)) {
                                 pr_info("md: kicking Cluster Candidate %s from array!\n",
                                         bdevname(rdev->bdev, b));
-                                kick_rdev_from_array(rdev);
+                                md_kick_rdev_from_array(rdev);
                         }
                 }
                 if (mddev->level == LEVEL_MULTIPATH) {
@@ -5966,7 +5967,7 @@ static int hot_remove_disk(struct mddev *mddev, dev_t dev)
         if (rdev->raid_disk >= 0)
                 goto busy;
 
-        kick_rdev_from_array(rdev);
+        md_kick_rdev_from_array(rdev);
         md_update_sb(mddev, 1);
         md_new_event(mddev);
 
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 6dc0ce09f50c..d98c0d764d8f 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -671,6 +671,7 @@ extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
 extern void md_unplug(struct blk_plug_cb *cb, bool from_schedule);
 extern void md_reload_sb(struct mddev *mddev);
 extern void md_update_sb(struct mddev *mddev, int force);
+extern void md_kick_rdev_from_array(struct md_rdev * rdev);
 static inline int mddev_check_plugged(struct mddev *mddev)
 {
         return !!blk_check_plugged(md_unplug, mddev,