Pull thinkpad into release branch

[linux-2.6-omap-h63xx.git] / drivers / md / raid1.c

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 00c78b77b13d8a002831fb9cb9b2543af4d4462e..f33a729960ca3f58e4fd618605ca1c197523ef11 100644 (file)
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -552,7 +552,7 @@ static void unplug_slaves(mddev_t *mddev)
        for (i=0; i<mddev->raid_disks; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) {
-                       request_queue_t *r_queue = bdev_get_queue(rdev->bdev);
+                       struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
 
                        atomic_inc(&rdev->nr_pending);
                        rcu_read_unlock();
@@ -567,7 +567,7 @@ static void unplug_slaves(mddev_t *mddev)
        rcu_read_unlock();
 }
 
-static void raid1_unplug(request_queue_t *q)
+static void raid1_unplug(struct request_queue *q)
 {
        mddev_t *mddev = q->queuedata;
 
@@ -575,7 +575,7 @@ static void raid1_unplug(request_queue_t *q)
        md_wakeup_thread(mddev->thread);
 }
 
-static int raid1_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int raid1_issue_flush(struct request_queue *q, struct gendisk *disk,
                             sector_t *error_sector)
 {
        mddev_t *mddev = q->queuedata;
@@ -587,7 +587,7 @@ static int raid1_issue_flush(request_queue_t *q, struct gendisk *disk,
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
                        struct block_device *bdev = rdev->bdev;
-                       request_queue_t *r_queue = bdev_get_queue(bdev);
+                       struct request_queue *r_queue = bdev_get_queue(bdev);
 
                        if (!r_queue->issue_flush_fn)
                                ret = -EOPNOTSUPP;
@@ -615,7 +615,7 @@ static int raid1_congested(void *data, int bits)
        for (i = 0; i < mddev->raid_disks; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
-                       request_queue_t *q = bdev_get_queue(rdev->bdev);
+                       struct request_queue *q = bdev_get_queue(rdev->bdev);
 
                        /* Note the '|| 1' - when read_balance prefers
                         * non-congested targets, it can be removed
@@ -765,7 +765,7 @@ do_sync_io:
        return NULL;
 }
 
-static int make_request(request_queue_t *q, struct bio * bio)
+static int make_request(struct request_queue *q, struct bio * bio)
 {
        mddev_t *mddev = q->queuedata;
        conf_t *conf = mddev_to_conf(mddev);
@@ -1972,7 +1972,8 @@ static int run(mddev_t *mddev)
                    !test_bit(In_sync, &disk->rdev->flags)) {
                        disk->head_position = 0;
                        mddev->degraded++;
-                       conf->fullsync = 1;
+                       if (disk->rdev)
+                               conf->fullsync = 1;
                }
        }
        if (mddev->degraded == conf->raid_disks) {
@@ -2153,11 +2154,25 @@ static int raid1_reshape(mddev_t *mddev)
        oldpool = conf->r1bio_pool;
        conf->r1bio_pool = newpool;
 
-       for (d=d2=0; d < conf->raid_disks; d++)
-               if (conf->mirrors[d].rdev) {
-                       conf->mirrors[d].rdev->raid_disk = d2;
-                       newmirrors[d2++].rdev = conf->mirrors[d].rdev;
+       for (d = d2 = 0; d < conf->raid_disks; d++) {
+               mdk_rdev_t *rdev = conf->mirrors[d].rdev;
+               if (rdev && rdev->raid_disk != d2) {
+                       char nm[20];
+                       sprintf(nm, "rd%d", rdev->raid_disk);
+                       sysfs_remove_link(&mddev->kobj, nm);
+                       rdev->raid_disk = d2;
+                       sprintf(nm, "rd%d", rdev->raid_disk);
+                       sysfs_remove_link(&mddev->kobj, nm);
+                       if (sysfs_create_link(&mddev->kobj,
+                                             &rdev->kobj, nm))
+                               printk(KERN_WARNING
+                                      "md/raid1: cannot register "
+                                      "%s for %s\n",
+                                      nm, mdname(mddev));
                }
+               if (rdev)
+                       newmirrors[d2++].rdev = rdev;
+       }
        kfree(conf->mirrors);
        conf->mirrors = newmirrors;
        kfree(conf->poolinfo);