mtd: nand: davinci: Reinitialize the HW ECC engine in 4bit hwctl

[pandora-kernel.git] / drivers / md / bitmap.c

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7878712..62a8e68 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1106,10 +1106,12 @@ void bitmap_write_all(struct bitmap *bitmap)
         */
        int i;
 
+       spin_lock_irq(&bitmap->lock);
        for (i = 0; i < bitmap->file_pages; i++)
                set_page_attr(bitmap, bitmap->filemap[i],
                              BITMAP_PAGE_NEEDWRITE);
        bitmap->allclean = 0;
+       spin_unlock_irq(&bitmap->lock);
 }
 
 static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc)
@@ -1391,9 +1393,6 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
                         atomic_read(&bitmap->behind_writes),
                         bitmap->mddev->bitmap_info.max_write_behind);
        }
-       if (bitmap->mddev->degraded)
-               /* Never clear bits or update events_cleared when degraded */
-               success = 0;
 
        while (sectors) {
                sector_t blocks;
@@ -1407,7 +1406,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
                        return;
                }
 
-               if (success &&
+               if (success && !bitmap->mddev->degraded &&
                    bitmap->events_cleared < bitmap->mddev->events) {
                        bitmap->events_cleared = bitmap->mddev->events;
                        bitmap->need_sync = 1;
@@ -1605,7 +1604,9 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
        for (chunk = s; chunk <= e; chunk++) {
                sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap);
                bitmap_set_memory_bits(bitmap, sec, 1);
+               spin_lock_irq(&bitmap->lock);
                bitmap_file_set_bit(bitmap, sec);
+               spin_unlock_irq(&bitmap->lock);
                if (sec < bitmap->mddev->recovery_cp)
                        /* We are asserting that the array is dirty,
                         * so move the recovery_cp address back so
@@ -1818,7 +1819,9 @@ int bitmap_load(struct mddev *mddev)
                 * re-add of a missing device */
                start = mddev->recovery_cp;
 
+       mutex_lock(&mddev->bitmap_info.mutex);
        err = bitmap_init_from_disk(bitmap, start);
+       mutex_unlock(&mddev->bitmap_info.mutex);
 
        if (err)
                goto out;
@@ -1903,6 +1906,8 @@ location_store(struct mddev *mddev, const char *buf, size_t len)
                        if (mddev->pers) {
                                mddev->pers->quiesce(mddev, 1);
                                rv = bitmap_create(mddev);
+                               if (!rv)
+                                       rv = bitmap_load(mddev);
                                if (rv) {
                                        bitmap_destroy(mddev);
                                        mddev->bitmap_info.offset = 0;