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>

diff --git a/drivers/md/md.c b/drivers/md/md.c
index eb6f92e57ab6aac8f1d532f89cb06ad7f4942c6b..bc1e4301429282e098650d0fcc1d59953fff6d5f 100644 (file)
--- 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 6dc0ce09f50c88208ac55dbf15f24d93f613cb88..d98c0d764d8f012f0c9352ee542e8cf2c7ce59db 100644 (file)
--- 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,