diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 15:19:53 -0400 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 15:19:53 -0400 |
commit | 45711f1af6eff1a6d010703b4862e0d2b9afd056 (patch) | |
tree | 3d0048f46e3df9d217d56127462ebe680348bd5a /drivers/scsi/sg.c | |
parent | 78c2f0b8c285c5305b3e67b0595200541e15eb43 (diff) |
[SG] Update drivers to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r-- | drivers/scsi/sg.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 7238b2dfc497..cc1971002846 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) | |||
1169 | len = vma->vm_end - sa; | 1169 | len = vma->vm_end - sa; |
1170 | len = (len < sg->length) ? len : sg->length; | 1170 | len = (len < sg->length) ? len : sg->length; |
1171 | if (offset < len) { | 1171 | if (offset < len) { |
1172 | page = virt_to_page(page_address(sg->page) + offset); | 1172 | page = virt_to_page(page_address(sg_page(sg)) + offset); |
1173 | get_page(page); /* increment page count */ | 1173 | get_page(page); /* increment page count */ |
1174 | break; | 1174 | break; |
1175 | } | 1175 | } |
@@ -1717,13 +1717,13 @@ st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages, | |||
1717 | goto out_unlock; */ | 1717 | goto out_unlock; */ |
1718 | } | 1718 | } |
1719 | 1719 | ||
1720 | sgl[0].page = pages[0]; | 1720 | sg_set_page(sgl, pages[0]); |
1721 | sgl[0].offset = uaddr & ~PAGE_MASK; | 1721 | sgl[0].offset = uaddr & ~PAGE_MASK; |
1722 | if (nr_pages > 1) { | 1722 | if (nr_pages > 1) { |
1723 | sgl[0].length = PAGE_SIZE - sgl[0].offset; | 1723 | sgl[0].length = PAGE_SIZE - sgl[0].offset; |
1724 | count -= sgl[0].length; | 1724 | count -= sgl[0].length; |
1725 | for (i=1; i < nr_pages ; i++) { | 1725 | for (i=1; i < nr_pages ; i++) { |
1726 | sgl[i].page = pages[i]; | 1726 | sg_set_page(&sgl[i], pages[i]); |
1727 | sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE; | 1727 | sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE; |
1728 | count -= PAGE_SIZE; | 1728 | count -= PAGE_SIZE; |
1729 | } | 1729 | } |
@@ -1754,7 +1754,7 @@ st_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_pages, | |||
1754 | int i; | 1754 | int i; |
1755 | 1755 | ||
1756 | for (i=0; i < nr_pages; i++) { | 1756 | for (i=0; i < nr_pages; i++) { |
1757 | struct page *page = sgl[i].page; | 1757 | struct page *page = sg_page(&sgl[i]); |
1758 | 1758 | ||
1759 | if (dirtied) | 1759 | if (dirtied) |
1760 | SetPageDirty(page); | 1760 | SetPageDirty(page); |
@@ -1854,7 +1854,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) | |||
1854 | scatter_elem_sz_prev = ret_sz; | 1854 | scatter_elem_sz_prev = ret_sz; |
1855 | } | 1855 | } |
1856 | } | 1856 | } |
1857 | sg->page = p; | 1857 | sg_set_page(sg, p); |
1858 | sg->length = (ret_sz > num) ? num : ret_sz; | 1858 | sg->length = (ret_sz > num) ? num : ret_sz; |
1859 | 1859 | ||
1860 | SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, " | 1860 | SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, " |
@@ -1907,14 +1907,14 @@ sg_write_xfer(Sg_request * srp) | |||
1907 | onum = 1; | 1907 | onum = 1; |
1908 | 1908 | ||
1909 | ksglen = sg->length; | 1909 | ksglen = sg->length; |
1910 | p = page_address(sg->page); | 1910 | p = page_address(sg_page(sg)); |
1911 | for (j = 0, k = 0; j < onum; ++j) { | 1911 | for (j = 0, k = 0; j < onum; ++j) { |
1912 | res = sg_u_iovec(hp, iovec_count, j, 1, &usglen, &up); | 1912 | res = sg_u_iovec(hp, iovec_count, j, 1, &usglen, &up); |
1913 | if (res) | 1913 | if (res) |
1914 | return res; | 1914 | return res; |
1915 | 1915 | ||
1916 | for (; p; sg = sg_next(sg), ksglen = sg->length, | 1916 | for (; p; sg = sg_next(sg), ksglen = sg->length, |
1917 | p = page_address(sg->page)) { | 1917 | p = page_address(sg_page(sg))) { |
1918 | if (usglen <= 0) | 1918 | if (usglen <= 0) |
1919 | break; | 1919 | break; |
1920 | if (ksglen > usglen) { | 1920 | if (ksglen > usglen) { |
@@ -1991,12 +1991,12 @@ sg_remove_scat(Sg_scatter_hold * schp) | |||
1991 | } else { | 1991 | } else { |
1992 | int k; | 1992 | int k; |
1993 | 1993 | ||
1994 | for (k = 0; (k < schp->k_use_sg) && sg->page; | 1994 | for (k = 0; (k < schp->k_use_sg) && sg_page(sg); |
1995 | ++k, sg = sg_next(sg)) { | 1995 | ++k, sg = sg_next(sg)) { |
1996 | SCSI_LOG_TIMEOUT(5, printk( | 1996 | SCSI_LOG_TIMEOUT(5, printk( |
1997 | "sg_remove_scat: k=%d, pg=0x%p, len=%d\n", | 1997 | "sg_remove_scat: k=%d, pg=0x%p, len=%d\n", |
1998 | k, sg->page, sg->length)); | 1998 | k, sg_page(sg), sg->length)); |
1999 | sg_page_free(sg->page, sg->length); | 1999 | sg_page_free(sg_page(sg), sg->length); |
2000 | } | 2000 | } |
2001 | } | 2001 | } |
2002 | kfree(schp->buffer); | 2002 | kfree(schp->buffer); |
@@ -2038,7 +2038,7 @@ sg_read_xfer(Sg_request * srp) | |||
2038 | } else | 2038 | } else |
2039 | onum = 1; | 2039 | onum = 1; |
2040 | 2040 | ||
2041 | p = page_address(sg->page); | 2041 | p = page_address(sg_page(sg)); |
2042 | ksglen = sg->length; | 2042 | ksglen = sg->length; |
2043 | for (j = 0, k = 0; j < onum; ++j) { | 2043 | for (j = 0, k = 0; j < onum; ++j) { |
2044 | res = sg_u_iovec(hp, iovec_count, j, 0, &usglen, &up); | 2044 | res = sg_u_iovec(hp, iovec_count, j, 0, &usglen, &up); |
@@ -2046,7 +2046,7 @@ sg_read_xfer(Sg_request * srp) | |||
2046 | return res; | 2046 | return res; |
2047 | 2047 | ||
2048 | for (; p; sg = sg_next(sg), ksglen = sg->length, | 2048 | for (; p; sg = sg_next(sg), ksglen = sg->length, |
2049 | p = page_address(sg->page)) { | 2049 | p = page_address(sg_page(sg))) { |
2050 | if (usglen <= 0) | 2050 | if (usglen <= 0) |
2051 | break; | 2051 | break; |
2052 | if (ksglen > usglen) { | 2052 | if (ksglen > usglen) { |
@@ -2092,15 +2092,15 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer) | |||
2092 | if ((!outp) || (num_read_xfer <= 0)) | 2092 | if ((!outp) || (num_read_xfer <= 0)) |
2093 | return 0; | 2093 | return 0; |
2094 | 2094 | ||
2095 | for (k = 0; (k < schp->k_use_sg) && sg->page; ++k, sg = sg_next(sg)) { | 2095 | for (k = 0; (k < schp->k_use_sg) && sg_page(sg); ++k, sg = sg_next(sg)) { |
2096 | num = sg->length; | 2096 | num = sg->length; |
2097 | if (num > num_read_xfer) { | 2097 | if (num > num_read_xfer) { |
2098 | if (__copy_to_user(outp, page_address(sg->page), | 2098 | if (__copy_to_user(outp, page_address(sg_page(sg)), |
2099 | num_read_xfer)) | 2099 | num_read_xfer)) |
2100 | return -EFAULT; | 2100 | return -EFAULT; |
2101 | break; | 2101 | break; |
2102 | } else { | 2102 | } else { |
2103 | if (__copy_to_user(outp, page_address(sg->page), | 2103 | if (__copy_to_user(outp, page_address(sg_page(sg)), |
2104 | num)) | 2104 | num)) |
2105 | return -EFAULT; | 2105 | return -EFAULT; |
2106 | num_read_xfer -= num; | 2106 | num_read_xfer -= num; |