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[SG] Update drivers to use sg helpers

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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe
2007-10-22 21:19:53 +02:00
parent 78c2f0b8c2
commit 45711f1af6
82 changed files with 278 additions and 275 deletions
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19
drivers/scsi/ipr.c
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@@ -2872,6 +2872,7 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len)
}
scatterlist = sglist->scatterlist;
sg_init_table(scatterlist, num_elem);
sglist->order = order;
sglist->num_sg = num_elem;
@@ -2884,12 +2885,12 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len)
/* Free up what we already allocated */
for (j = i - 1; j >= 0; j--)
__free_pages(scatterlist[j].page, order);
__free_pages(sg_page(&scatterlist[j]), order);
kfree(sglist);
return NULL;
}
scatterlist[i].page = page;
sg_set_page(&scatterlist[i], page);
}
return sglist;
@@ -2910,7 +2911,7 @@ static void ipr_free_ucode_buffer(struct ipr_sglist *sglist)
int i;
for (i = 0; i < sglist->num_sg; i++)
__free_pages(sglist->scatterlist[i].page, sglist->order);
__free_pages(sg_page(&sglist->scatterlist[i]), sglist->order);
kfree(sglist);
}
@@ -2940,9 +2941,11 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist,
scatterlist = sglist->scatterlist;
for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) {
kaddr = kmap(scatterlist[i].page);
struct page *page = sg_page(&scatterlist[i]);
kaddr = kmap(page);
memcpy(kaddr, buffer, bsize_elem);
kunmap(scatterlist[i].page);
kunmap(page);
scatterlist[i].length = bsize_elem;
@@ -2953,9 +2956,11 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist,
}
if (len % bsize_elem) {
kaddr = kmap(scatterlist[i].page);
struct page *page = sg_page(&scatterlist[i]);
kaddr = kmap(page);
memcpy(kaddr, buffer, len % bsize_elem);
kunmap(scatterlist[i].page);
kunmap(page);
scatterlist[i].length = len % bsize_elem;
}