From 45711f1af6eff1a6d010703b4862e0d2b9afd056 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Mon, 22 Oct 2007 21:19:53 +0200 Subject: [SG] Update drivers to use sg helpers Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) (limited to 'drivers/scsi/sg.c') diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 7238b2dfc49..cc197100284 100644 --- 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; } @@ -1717,13 +1717,13 @@ st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages, goto out_unlock; */ } - sgl[0].page = pages[0]; + sg_set_page(sgl, pages[0]); sgl[0].offset = 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]; + sg_set_page(&sgl[i], pages[i]); sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE; count -= PAGE_SIZE; } @@ -1754,7 +1754,7 @@ 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); @@ -1854,7 +1854,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) scatter_elem_sz_prev = ret_sz; } } - sg->page = p; + sg_set_page(sg, p); sg->length = (ret_sz > num) ? num : ret_sz; SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, " @@ -1907,14 +1907,14 @@ 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 +1991,12 @@ 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 +2038,7 @@ 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 +2046,7 @@ 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 +2092,15 @@ 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; -- cgit v1.2.3