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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-25 18:44:54 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-25 18:44:54 -0400
commit7f1495745347bc2cb9cc4f50d0a889caeb71f1f1 (patch)
tree2402b7e52fec57cdbf16d52e5fb467044589ec31 /drivers/scsi/sg.c
parent2c7505570353af02e48c58ab4d109edd9bbbdd81 (diff)
parent85cdffcde0b6b831a06422413300d0f5c0e608c3 (diff)
Merge branch 'sg' of git://git.kernel.dk/linux-2.6-block
* 'sg' of git://git.kernel.dk/linux-2.6-block: fix sg_phys to use dma_addr_t ub: add sg_init_table for sense and read capacity commands x86: pci-gart fix blackfin: fix sg fallout xtensa: dma-mapping.h is using linux/scatterlist.h functions, so include it SG: audit of drivers that use blk_rq_map_sg() arch/um/drivers/ubd_kern.c: fix a building error SG: Change sg_set_page() to take length and offset argument AVR32: Fix sg_page breakage mmc: sg fallout m68k: sg fallout More SG build fixes sg: add missing sg_init_table calls to zfcp SG build fix
Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index cc1971002846..b5fa4f091387 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1717,16 +1717,12 @@ 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 sg_set_page(sgl, pages[0]); 1720 sg_set_page(sgl, pages[0], 0, uaddr & ~PAGE_MASK);
1721 sgl[0].offset = uaddr & ~PAGE_MASK;
1722 if (nr_pages > 1) { 1721 if (nr_pages > 1) {
1723 sgl[0].length = PAGE_SIZE - sgl[0].offset; 1722 sgl[0].length = PAGE_SIZE - sgl[0].offset;
1724 count -= sgl[0].length; 1723 count -= sgl[0].length;
1725 for (i=1; i < nr_pages ; i++) { 1724 for (i=1; i < nr_pages ; i++)
1726 sg_set_page(&sgl[i], pages[i]); 1725 sg_set_page(&sgl[i], pages[i], count < PAGE_SIZE ? count : PAGE_SIZE, 0);
1727 sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE;
1728 count -= PAGE_SIZE;
1729 }
1730 } 1726 }
1731 else { 1727 else {
1732 sgl[0].length = count; 1728 sgl[0].length = count;
@@ -1854,8 +1850,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
1854 scatter_elem_sz_prev = ret_sz; 1850 scatter_elem_sz_prev = ret_sz;
1855 } 1851 }
1856 } 1852 }
1857 sg_set_page(sg, p); 1853 sg_set_page(sg, p, (ret_sz > num) ? num : ret_sz, 0);
1858 sg->length = (ret_sz > num) ? num : ret_sz;
1859 1854
1860 SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, " 1855 SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, "
1861 "ret_sz=%d\n", k, num, ret_sz)); 1856 "ret_sz=%d\n", k, num, ret_sz));