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[SG] Update drivers to use sg helpers

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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe
2007-10-22 21:19:53 +02:00
parent 78c2f0b8c2
commit 45711f1af6
82 changed files with 278 additions and 275 deletions
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11
drivers/infiniband/core/umem.c
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@ -55,9 +55,11 @@ static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int d
ib_dma_unmap_sg(dev, chunk->page_list,
chunk->nents, DMA_BIDIRECTIONAL);
for (i = 0; i < chunk->nents; ++i) {
struct page *page = sg_page(&chunk->page_list[i]);
if (umem->writable && dirty)
set_page_dirty_lock(chunk->page_list[i].page);
put_page(chunk->page_list[i].page);
set_page_dirty_lock(page);
put_page(page);
}
kfree(chunk);
@ -164,11 +166,12 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
}
chunk->nents = min_t(int, ret, IB_UMEM_MAX_PAGE_CHUNK);
sg_init_table(chunk->page_list, chunk->nents);
for (i = 0; i < chunk->nents; ++i) {
if (vma_list &&
!is_vm_hugetlb_page(vma_list[i + off]))
umem->hugetlb = 0;
chunk->page_list[i].page = page_list[i + off];
sg_set_page(&chunk->page_list[i], page_list[i + off]);
chunk->page_list[i].offset = 0;
chunk->page_list[i].length = PAGE_SIZE;
}
@ -179,7 +182,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
DMA_BIDIRECTIONAL);
if (chunk->nmap <= 0) {
for (i = 0; i < chunk->nents; ++i)
put_page(chunk->page_list[i].page);
put_page(sg_page(&chunk->page_list[i]));
kfree(chunk);
ret = -ENOMEM;