1 files changed, 3 insertions, 49 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index d9cce54cc2d5..0f11fd1417ab 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -440,18 +440,6 @@ static inline sector_t calc_dev_sboffset(struct block_device *bdev)
         return MD_NEW_SIZE_SECTORS(num_sectors);
 }
 
-static sector_t calc_num_sectors(mdk_rdev_t *rdev, unsigned chunk_size)
-{
-        sector_t num_sectors = rdev->sb_start;
-
-        if (chunk_size) {
-                unsigned chunk_sects = chunk_size>>9;
-                sector_div(num_sectors, chunk_sects);
-                num_sectors *= chunk_sects;
-        }
-        return num_sectors;
-}
-
 static int alloc_disk_sb(mdk_rdev_t * rdev)
 {
         if (rdev->sb_page)
@@ -839,7 +827,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version
                 else 
                         ret = 0;
         }
-        rdev->sectors = calc_num_sectors(rdev, sb->chunk_size);
+        rdev->sectors = rdev->sb_start;
 
         if (rdev->sectors < sb->size * 2 && sb->level > 1)
                 /* "this cannot possibly happen" ... */
@@ -1251,13 +1239,6 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
         if (rdev->sectors < le64_to_cpu(sb->data_size))
                 return -EINVAL;
         rdev->sectors = le64_to_cpu(sb->data_size);
-        if (le32_to_cpu(sb->chunksize)) {
-                int chunk_sects = le32_to_cpu(sb->chunksize);
-                sector_t chunks = rdev->sectors;
-                sector_div(chunks, chunk_sects);
-                rdev->sectors = chunks * chunk_sects;
-        }
-
         if (le64_to_cpu(sb->size) > rdev->sectors)
                 return -EINVAL;
         return ret;
@@ -3983,11 +3964,9 @@ static int start_dirty_degraded;
 static int do_md_run(mddev_t * mddev)
 {
         int err;
-        int chunk_size;
         mdk_rdev_t *rdev;
         struct gendisk *disk;
         struct mdk_personality *pers;
-        char b[BDEVNAME_SIZE];
 
         if (list_empty(&mddev->disks))
                 /* cannot run an array with no devices.. */
@@ -4005,30 +3984,6 @@ static int do_md_run(mddev_t * mddev)
                 analyze_sbs(mddev);
         }
 
-        chunk_size = mddev->chunk_sectors << 9;
-
-        if (chunk_size) {
-                if (chunk_size > MAX_CHUNK_SIZE) {
-                        printk(KERN_ERR "too big chunk_size: %d > %d\n",
-                                chunk_size, MAX_CHUNK_SIZE);
-                        return -EINVAL;
-                }
-                /* devices must have minimum size of one chunk */
-                list_for_each_entry(rdev, &mddev->disks, same_set) {
-                        if (test_bit(Faulty, &rdev->flags))
-                                continue;
-                        if (rdev->sectors < chunk_size / 512) {
-                                printk(KERN_WARNING
-                                        "md: Dev %s smaller than chunk_size:"
-                                        " %llu < %d\n",
-                                        bdevname(rdev->bdev,b),
-                                        (unsigned long long)rdev->sectors,
-                                        chunk_size / 512);
-                                return -EINVAL;
-                        }
-                }
-        }
-
         if (mddev->level != LEVEL_NONE)
                 request_module("md-level-%d", mddev->level);
         else if (mddev->clevel[0])
@@ -4842,8 +4797,7 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
                         rdev->sb_start = rdev->bdev->bd_inode->i_size / 512;
                 } else 
                         rdev->sb_start = calc_dev_sboffset(rdev->bdev);
-                rdev->sectors = calc_num_sectors(rdev,
-                                                 mddev->chunk_sectors << 9);
+                rdev->sectors = rdev->sb_start;
 
                 err = bind_rdev_to_array(rdev, mddev);
                 if (err) {
@@ -4913,7 +4867,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
         else
                 rdev->sb_start = rdev->bdev->bd_inode->i_size / 512;
 
-        rdev->sectors = calc_num_sectors(rdev, mddev->chunk_sectors << 9);
+        rdev->sectors = rdev->sb_start;
 
         if (test_bit(Faulty, &rdev->flags)) {
                 printk(KERN_WARNING