diff options
author | David Woodhouse <dwmw2@infradead.org> | 2007-01-18 10:34:51 +1100 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2007-01-18 10:34:51 +1100 |
commit | 9cdf083f981b8d37b3212400a359368661385099 (patch) | |
tree | aa15a6a08ad87e650dea40fb59b3180bef0d345b /fs/bio.c | |
parent | e499e01d234a31d59679b7b1e1cf628d917ba49a (diff) | |
parent | a8b3485287731978899ced11f24628c927890e78 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/bio.c')
-rw-r--r-- | fs/bio.c | 35 |
1 files changed, 10 insertions, 25 deletions
@@ -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; |