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authorDavid Howells <dhowells@redhat.com>2006-12-05 09:37:56 -0500
committerDavid Howells <dhowells@warthog.cambridge.redhat.com>2006-12-05 09:37:56 -0500
commit4c1ac1b49122b805adfa4efc620592f68dccf5db (patch)
tree87557f4bc2fd4fe65b7570489c2f610c45c0adcd /fs/bio.c
parentc4028958b6ecad064b1a6303a6a5906d4fe48d73 (diff)
parentd916faace3efc0bf19fe9a615a1ab8fa1a24cd93 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/bio.c')
-rw-r--r--fs/bio.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/fs/bio.c b/fs/bio.c
index c6c07ca5b5a9..50c40ce2cead 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -560,10 +560,8 @@ struct bio *bio_copy_user(request_queue_t *q, unsigned long uaddr,
560 break; 560 break;
561 } 561 }
562 562
563 if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes) { 563 if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes)
564 ret = -EINVAL;
565 break; 564 break;
566 }
567 565
568 len -= bytes; 566 len -= bytes;
569 } 567 }
@@ -622,10 +620,9 @@ static struct bio *__bio_map_user_iov(request_queue_t *q,
622 620
623 nr_pages += end - start; 621 nr_pages += end - start;
624 /* 622 /*
625 * transfer and buffer must be aligned to at least hardsector 623 * buffer must be aligned to at least hardsector size for now
626 * size for now, in the future we can relax this restriction
627 */ 624 */
628 if ((uaddr & queue_dma_alignment(q)) || (len & queue_dma_alignment(q))) 625 if (uaddr & queue_dma_alignment(q))
629 return ERR_PTR(-EINVAL); 626 return ERR_PTR(-EINVAL);
630 } 627 }
631 628
@@ -751,7 +748,6 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev,
751 int write_to_vm) 748 int write_to_vm)
752{ 749{
753 struct bio *bio; 750 struct bio *bio;
754 int len = 0, i;
755 751
756 bio = __bio_map_user_iov(q, bdev, iov, iov_count, write_to_vm); 752 bio = __bio_map_user_iov(q, bdev, iov, iov_count, write_to_vm);
757 753
@@ -766,18 +762,7 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev,
766 */ 762 */
767 bio_get(bio); 763 bio_get(bio);
768 764
769 for (i = 0; i < iov_count; i++) 765 return bio;
770 len += iov[i].iov_len;
771
772 if (bio->bi_size == len)
773 return bio;
774
775 /*
776 * don't support partial mappings
777 */
778 bio_endio(bio, bio->bi_size, 0);
779 bio_unmap_user(bio);
780 return ERR_PTR(-EINVAL);
781} 766}
782 767
783static void __bio_unmap_user(struct bio *bio) 768static void __bio_unmap_user(struct bio *bio)