[SCSI] ips: PCI API cleanups

[linux-2.6-omap-h63xx.git] / drivers / scsi / sg.c

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 7238b2dfc4975d9a53a82f07dfd55ff427b27e19..f1871ea0404573e610ef439e8d377d0b4a7a1419 100644 (file)
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1169,7 +1169,7 @@ sg_vma_nopage(struct vm_area_struct *vma, unsigned long addr, int *type)
                len = vma->vm_end - sa;
                len = (len < sg->length) ? len : sg->length;
                if (offset < len) {
-                       page = virt_to_page(page_address(sg->page) + offset);
+                       page = virt_to_page(page_address(sg_page(sg)) + offset);
                        get_page(page); /* increment page count */
                        break;
                }
@@ -1652,6 +1652,7 @@ sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize)
        schp->buffer = kzalloc(sg_bufflen, gfp_flags);
        if (!schp->buffer)
                return -ENOMEM;
+       sg_init_table(schp->buffer, tablesize);
        schp->sglist_len = sg_bufflen;
        return tablesize;       /* number of scat_gath elements allocated */
 }
@@ -1717,16 +1718,12 @@ st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages,
                   goto out_unlock; */
         }
 
-       sgl[0].page = pages[0];
-       sgl[0].offset = uaddr & ~PAGE_MASK;
+       sg_set_page(sgl, pages[0], 0, uaddr & ~PAGE_MASK);
        if (nr_pages > 1) {
                sgl[0].length = PAGE_SIZE - sgl[0].offset;
                count -= sgl[0].length;
-               for (i=1; i < nr_pages ; i++) {
-                       sgl[i].page = pages[i]; 
-                       sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE;
-                       count -= PAGE_SIZE;
-               }
+               for (i=1; i < nr_pages ; i++)
+                       sg_set_page(&sgl[i], pages[i], count < PAGE_SIZE ? count : PAGE_SIZE, 0);
        }
        else {
                sgl[0].length = count;
@@ -1754,7 +1751,7 @@ st_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_pages,
        int i;
 
        for (i=0; i < nr_pages; i++) {
-               struct page *page = sgl[i].page;
+               struct page *page = sg_page(&sgl[i]);
 
                if (dirtied)
                        SetPageDirty(page);
@@ -1854,8 +1851,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
                                scatter_elem_sz_prev = ret_sz;
                        }
                }
-               sg->page = p;
-               sg->length = (ret_sz > num) ? num : ret_sz;
+               sg_set_page(sg, p, (ret_sz > num) ? num : ret_sz, 0);
 
                SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, "
                                 "ret_sz=%d\n", k, num, ret_sz));
@@ -1907,14 +1903,14 @@ sg_write_xfer(Sg_request * srp)
                onum = 1;
 
        ksglen = sg->length;
-       p = page_address(sg->page);
+       p = page_address(sg_page(sg));
        for (j = 0, k = 0; j < onum; ++j) {
                res = sg_u_iovec(hp, iovec_count, j, 1, &usglen, &up);
                if (res)
                        return res;
 
                for (; p; sg = sg_next(sg), ksglen = sg->length,
-                    p = page_address(sg->page)) {
+                    p = page_address(sg_page(sg))) {
                        if (usglen <= 0)
                                break;
                        if (ksglen > usglen) {
@@ -1991,12 +1987,12 @@ sg_remove_scat(Sg_scatter_hold * schp)
                } else {
                        int k;
 
-                       for (k = 0; (k < schp->k_use_sg) && sg->page;
+                       for (k = 0; (k < schp->k_use_sg) && sg_page(sg);
                             ++k, sg = sg_next(sg)) {
                                SCSI_LOG_TIMEOUT(5, printk(
                                    "sg_remove_scat: k=%d, pg=0x%p, len=%d\n",
-                                   k, sg->page, sg->length));
-                               sg_page_free(sg->page, sg->length);
+                                   k, sg_page(sg), sg->length));
+                               sg_page_free(sg_page(sg), sg->length);
                        }
                }
                kfree(schp->buffer);
@@ -2038,7 +2034,7 @@ sg_read_xfer(Sg_request * srp)
        } else
                onum = 1;
 
-       p = page_address(sg->page);
+       p = page_address(sg_page(sg));
        ksglen = sg->length;
        for (j = 0, k = 0; j < onum; ++j) {
                res = sg_u_iovec(hp, iovec_count, j, 0, &usglen, &up);
@@ -2046,7 +2042,7 @@ sg_read_xfer(Sg_request * srp)
                        return res;
 
                for (; p; sg = sg_next(sg), ksglen = sg->length,
-                    p = page_address(sg->page)) {
+                    p = page_address(sg_page(sg))) {
                        if (usglen <= 0)
                                break;
                        if (ksglen > usglen) {
@@ -2092,15 +2088,15 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer)
        if ((!outp) || (num_read_xfer <= 0))
                return 0;
 
-       for (k = 0; (k < schp->k_use_sg) && sg->page; ++k, sg = sg_next(sg)) {
+       for (k = 0; (k < schp->k_use_sg) && sg_page(sg); ++k, sg = sg_next(sg)) {
                num = sg->length;
                if (num > num_read_xfer) {
-                       if (__copy_to_user(outp, page_address(sg->page),
+                       if (__copy_to_user(outp, page_address(sg_page(sg)),
                                           num_read_xfer))
                                return -EFAULT;
                        break;
                } else {
-                       if (__copy_to_user(outp, page_address(sg->page),
+                       if (__copy_to_user(outp, page_address(sg_page(sg)),
                                           num))
                                return -EFAULT;
                        num_read_xfer -= num;