---

yaml --- r: 281310 b: refs/heads/master c: 6e8087a h: refs/heads/master v: v3
git-mirror · Dec 8, 2011 · 287a85f · 287a85f
1 parent 25e1b83
commit 287a85f
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4219001fc97d9a0fef153ea86ee819482be84c03
+refs/heads/master: 6e8087a4fae41ae1518babbf1ef46f105d702bfd
diff --git a/trunk/drivers/staging/hv/storvsc_drv.c b/trunk/drivers/staging/hv/storvsc_drv.c
@@ -893,12 +893,14 @@ static int do_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count)
 
 static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
 						unsigned int sg_count,
-						unsigned int len)
+						unsigned int len,
+						int write)
 {
 	int i;
 	int num_pages;
 	struct scatterlist *bounce_sgl;
 	struct page *page_buf;
+	unsigned int buf_len = ((write == WRITE_TYPE) ? 0 : PAGE_SIZE);
 
 	num_pages = ALIGN(len, PAGE_SIZE) >> PAGE_SHIFT;
 
@@ -910,7 +912,7 @@ static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
 		page_buf = alloc_page(GFP_ATOMIC);
 		if (!page_buf)
 			goto cleanup;
-		sg_set_page(&bounce_sgl[i], page_buf, 0, 0);
+		sg_set_page(&bounce_sgl[i], page_buf, buf_len, 0);
 	}
 
 	return bounce_sgl;
@@ -1348,7 +1350,8 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
 		if (do_bounce_buffer(sgl, scsi_sg_count(scmnd)) != -1) {
 			cmd_request->bounce_sgl =
 				create_bounce_buffer(sgl, scsi_sg_count(scmnd),
-						     scsi_bufflen(scmnd));
+						     scsi_bufflen(scmnd),
+						     vm_srb->data_in);
 			if (!cmd_request->bounce_sgl) {
 				scmnd->host_scribble = NULL;
 				mempool_free(cmd_request,