1 files changed, 10 insertions, 25 deletions

diff --git a/fs/bio.c b/fs/bio.c
index f95c8749499f..7618bcb18368 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -30,7 +30,7 @@
 
 #define BIO_POOL_SIZE 256
 
-static kmem_cache_t *bio_slab __read_mostly;
+static struct kmem_cache *bio_slab __read_mostly;
 
 #define BIOVEC_NR_POOLS 6
 
@@ -44,7 +44,7 @@ mempool_t *bio_split_pool __read_mostly;
 struct biovec_slab {
         int nr_vecs;
         char *name; 
-        kmem_cache_t *slab;
+        struct kmem_cache *slab;
 };
 
 /*
@@ -560,10 +560,8 @@ struct bio *bio_copy_user(request_queue_t *q, unsigned long uaddr,
                         break;
                 }
 
-                if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes) {
-                        ret = -EINVAL;
+                if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes)
                         break;
-                }
 
                 len -= bytes;
         }
@@ -622,10 +620,9 @@ static struct bio *__bio_map_user_iov(request_queue_t *q,
 
                 nr_pages += end - start;
                 /*
-                 * transfer and buffer must be aligned to at least hardsector
-                 * size for now, in the future we can relax this restriction
+                 * buffer must be aligned to at least hardsector size for now
                  */
-                if ((uaddr & queue_dma_alignment(q)) || (len & queue_dma_alignment(q)))
+                if (uaddr & queue_dma_alignment(q))
                         return ERR_PTR(-EINVAL);
         }
 
@@ -751,7 +748,6 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev,
                              int write_to_vm)
 {
         struct bio *bio;
-        int len = 0, i;
 
         bio = __bio_map_user_iov(q, bdev, iov, iov_count, write_to_vm);
 
@@ -766,18 +762,7 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev,
          */
         bio_get(bio);
 
-        for (i = 0; i < iov_count; i++)
-                len += iov[i].iov_len;
-
-        if (bio->bi_size == len)
-                return bio;
-
-        /*
-         * don't support partial mappings
-         */
-        bio_endio(bio, bio->bi_size, 0);
-        bio_unmap_user(bio);
-        return ERR_PTR(-EINVAL);
+        return bio;
 }
 
 static void __bio_unmap_user(struct bio *bio)
@@ -931,7 +916,7 @@ void bio_set_pages_dirty(struct bio *bio)
         }
 }
 
-static void bio_release_pages(struct bio *bio)
+void bio_release_pages(struct bio *bio)
 {
         struct bio_vec *bvec = bio->bi_io_vec;
         int i;
@@ -955,16 +940,16 @@ static void bio_release_pages(struct bio *bio)
  * run one bio_put() against the BIO.
  */
 
-static void bio_dirty_fn(void *data);
+static void bio_dirty_fn(struct work_struct *work);
 
-static DECLARE_WORK(bio_dirty_work, bio_dirty_fn, NULL);
+static DECLARE_WORK(bio_dirty_work, bio_dirty_fn);
 static DEFINE_SPINLOCK(bio_dirty_lock);
 static struct bio *bio_dirty_list;
 
 /*
  * This runs in process context
  */
-static void bio_dirty_fn(void *data)
+static void bio_dirty_fn(struct work_struct *work)
 {
         unsigned long flags;
         struct bio *bio;