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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 21:19:53 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 21:19:53 +0200 |
| commit | 45711f1af6eff1a6d010703b4862e0d2b9afd056 (patch) | |
| tree | 3d0048f46e3df9d217d56127462ebe680348bd5a /drivers/infiniband/core/umem.c | |
| parent | 78c2f0b8c285c5305b3e67b0595200541e15eb43 (diff) | |
| download | lwn-45711f1af6eff1a6d010703b4862e0d2b9afd056.tar.gz lwn-45711f1af6eff1a6d010703b4862e0d2b9afd056.zip | |
[SG] Update drivers to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/infiniband/core/umem.c')
| -rw-r--r-- | drivers/infiniband/core/umem.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 2f54e29dc7a6..14159ff29408 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -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; |