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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-25 18:44:54 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-25 18:44:54 -0400 |
commit | 7f1495745347bc2cb9cc4f50d0a889caeb71f1f1 (patch) | |
tree | 2402b7e52fec57cdbf16d52e5fb467044589ec31 /drivers/scsi/sg.c | |
parent | 2c7505570353af02e48c58ab4d109edd9bbbdd81 (diff) | |
parent | 85cdffcde0b6b831a06422413300d0f5c0e608c3 (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.c | 13 |
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)); |