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authorJens Axboe <jens.axboe@oracle.com>2007-10-22 21:19:53 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-22 21:19:53 +0200
commit45711f1af6eff1a6d010703b4862e0d2b9afd056 (patch)
tree3d0048f46e3df9d217d56127462ebe680348bd5a /drivers/infiniband/core
parent78c2f0b8c285c5305b3e67b0595200541e15eb43 (diff)
[SG] Update drivers to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/umem.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 2f54e29dc7a..14159ff2940 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;