USB: musb free_irq bugfix

[safe/jmp/linux-2.6] / drivers / md / raid1.c

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 0b82030..7b4f5f7 100644 (file)
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -32,6 +32,7 @@
  */
 
 #include "dm-bio-list.h"
+#include <linux/delay.h>
 #include <linux/raid/raid1.h>
 #include <linux/raid/bitmap.h>
 
@@ -779,7 +780,7 @@ static int make_request(struct request_queue *q, struct bio * bio)
        struct page **behind_pages = NULL;
        const int rw = bio_data_dir(bio);
        const int do_sync = bio_sync(bio);
-       int do_barriers;
+       int cpu, do_barriers;
        mdk_rdev_t *blocked_rdev;
 
        /*
@@ -804,8 +805,11 @@ static int make_request(struct request_queue *q, struct bio * bio)
 
        bitmap = mddev->bitmap;
 
-       disk_stat_inc(mddev->gendisk, ios[rw]);
-       disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio));
+       cpu = part_stat_lock();
+       part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
+       part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
+                     bio_sectors(bio));
+       part_stat_unlock();
 
        /*
         * make_request() can abort the operation when READA is being
@@ -1012,12 +1016,16 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
         * else mark the drive as failed
         */
        if (test_bit(In_sync, &rdev->flags)
-           && (conf->raid_disks - mddev->degraded) == 1)
+           && (conf->raid_disks - mddev->degraded) == 1) {
                /*
                 * Don't fail the drive, act as though we were just a
-                * normal single drive
+                * normal single drive.
+                * However don't try a recovery from this drive as
+                * it is very likely to fail.
                 */
+               mddev->recovery_disabled = 1;
                return;
+       }
        if (test_and_clear_bit(In_sync, &rdev->flags)) {
                unsigned long flags;
                spin_lock_irqsave(&conf->device_lock, flags);
@@ -1915,7 +1923,6 @@ static int run(mddev_t *mddev)
        int i, j, disk_idx;
        mirror_info_t *disk;
        mdk_rdev_t *rdev;
-       struct list_head *tmp;
 
        if (mddev->level != 1) {
                printk("raid1: %s: raid level not set to mirroring (%d)\n",
@@ -1960,7 +1967,7 @@ static int run(mddev_t *mddev)
        spin_lock_init(&conf->device_lock);
        mddev->queue->queue_lock = &conf->device_lock;
 
-       rdev_for_each(rdev, tmp, mddev) {
+       list_for_each_entry(rdev, &mddev->disks, same_set) {
                disk_idx = rdev->raid_disk;
                if (disk_idx >= mddev->raid_disks
                    || disk_idx < 0)