]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
Staging: hv: Get rid of the forward declaration for create_bounce_buffer()
authorK. Y. Srinivasan <kys@microsoft.com>
Tue, 10 May 2011 14:54:30 +0000 (07:54 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 11 May 2011 20:39:14 +0000 (13:39 -0700)
Get rid of the forward declaration by moving the code around.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/hv/storvsc_drv.c

index 93808662515a30bfb6c9a8b7d8862a4e7ba7400c..551c48c674b6cd53d6dfe25e982a267c13b6d876 100644 (file)
@@ -190,15 +190,41 @@ static int do_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count)
        return -1;
 }
 
+static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
+                                               unsigned int sg_count,
+                                               unsigned int len)
+{
+       int i;
+       int num_pages;
+       struct scatterlist *bounce_sgl;
+       struct page *page_buf;
+
+       num_pages = ALIGN(len, PAGE_SIZE) >> PAGE_SHIFT;
+
+       bounce_sgl = kcalloc(num_pages, sizeof(struct scatterlist), GFP_ATOMIC);
+       if (!bounce_sgl)
+               return NULL;
+
+       for (i = 0; i < num_pages; i++) {
+               page_buf = alloc_page(GFP_ATOMIC);
+               if (!page_buf)
+                       goto cleanup;
+               sg_set_page(&bounce_sgl[i], page_buf, 0, 0);
+       }
+
+       return bounce_sgl;
+
+cleanup:
+       destroy_bounce_buffer(bounce_sgl, num_pages);
+       return NULL;
+}
+
 /* Static decl */
 static int storvsc_probe(struct hv_device *dev);
 static int storvsc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd);
 static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd);
 static int storvsc_remove(struct hv_device *dev);
 
-static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
-                                               unsigned int sg_count,
-                                               unsigned int len);
 static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
                                            struct scatterlist *bounce_sgl,
                                            unsigned int orig_sgl_count);
@@ -525,35 +551,6 @@ static void storvsc_commmand_completion(struct hv_storvsc_request *request)
        kmem_cache_free(host_dev->request_pool, cmd_request);
 }
 
-static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
-                                               unsigned int sg_count,
-                                               unsigned int len)
-{
-       int i;
-       int num_pages;
-       struct scatterlist *bounce_sgl;
-       struct page *page_buf;
-
-       num_pages = ALIGN(len, PAGE_SIZE) >> PAGE_SHIFT;
-
-       bounce_sgl = kcalloc(num_pages, sizeof(struct scatterlist), GFP_ATOMIC);
-       if (!bounce_sgl)
-               return NULL;
-
-       for (i = 0; i < num_pages; i++) {
-               page_buf = alloc_page(GFP_ATOMIC);
-               if (!page_buf)
-                       goto cleanup;
-               sg_set_page(&bounce_sgl[i], page_buf, 0, 0);
-       }
-
-       return bounce_sgl;
-
-cleanup:
-       destroy_bounce_buffer(bounce_sgl, num_pages);
-       return NULL;
-}
-
 /* Assume the bounce_sgl has enough room ie using the create_bounce_buffer() */
 static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
                                          struct scatterlist *bounce_sgl,