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Diffstat (limited to 'fs/bio.c')
-rw-r--r--fs/bio.c33
1 files changed, 9 insertions, 24 deletions
diff --git a/fs/bio.c b/fs/bio.c
index f95c8749499f..7ec737eda72b 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)
@@ -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;