@@ -4,7 +4,7 @@
*
* Module interface and handling of zfcp data structures.
*
- * Copyright IBM Corp. 2002, 2013
+ * Copyright IBM Corp. 2002, 2017
*/
/*
@@ -538,45 +538,3 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
zfcp_ccw_adapter_put(adapter);
return ERR_PTR(retval);
}
-
-/**
- * zfcp_sg_free_table - free memory used by scatterlists
- * @sg: pointer to scatterlist
- * @count: number of scatterlist which are to be free'ed
- * the scatterlist are expected to reference pages always
- */
-void zfcp_sg_free_table(struct scatterlist *sg, int count)
-{
- int i;
-
- for (i = 0; i < count; i++, sg++)
- if (sg)
- free_page((unsigned long) sg_virt(sg));
- else
- break;
-}
-
-/**
- * zfcp_sg_setup_table - init scatterlist and allocate, assign buffers
- * @sg: pointer to struct scatterlist
- * @count: number of scatterlists which should be assigned with buffers
- * of size page
- *
- * Returns: 0 on success, -ENOMEM otherwise
- */
-int zfcp_sg_setup_table(struct scatterlist *sg, int count)
-{
- void *addr;
- int i;
-
- sg_init_table(sg, count);
- for (i = 0; i < count; i++, sg++) {
- addr = (void *) get_zeroed_page(GFP_KERNEL);
- if (!addr) {
- zfcp_sg_free_table(sg, i);
- return -ENOMEM;
- }
- sg_set_buf(sg, addr, PAGE_SIZE);
- }
- return 0;
-}
@@ -597,6 +597,48 @@ void zfcp_fc_test_link(struct zfcp_port *port)
put_device(&port->dev);
}
+/**
+ * zfcp_fc_sg_free_table - free memory used by scatterlists
+ * @sg: pointer to scatterlist
+ * @count: number of scatterlist which are to be free'ed
+ * the scatterlist are expected to reference pages always
+ */
+static void zfcp_fc_sg_free_table(struct scatterlist *sg, int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++, sg++)
+ if (sg)
+ free_page((unsigned long) sg_virt(sg));
+ else
+ break;
+}
+
+/**
+ * zfcp_fc_sg_setup_table - init scatterlist and allocate, assign buffers
+ * @sg: pointer to struct scatterlist
+ * @count: number of scatterlists which should be assigned with buffers
+ * of size page
+ *
+ * Returns: 0 on success, -ENOMEM otherwise
+ */
+static int zfcp_fc_sg_setup_table(struct scatterlist *sg, int count)
+{
+ void *addr;
+ int i;
+
+ sg_init_table(sg, count);
+ for (i = 0; i < count; i++, sg++) {
+ addr = (void *) get_zeroed_page(GFP_KERNEL);
+ if (!addr) {
+ zfcp_fc_sg_free_table(sg, i);
+ return -ENOMEM;
+ }
+ sg_set_buf(sg, addr, PAGE_SIZE);
+ }
+ return 0;
+}
+
static struct zfcp_fc_req *zfcp_fc_alloc_sg_env(int buf_num)
{
struct zfcp_fc_req *fc_req;
@@ -605,7 +647,7 @@ static struct zfcp_fc_req *zfcp_fc_alloc_sg_env(int buf_num)
if (!fc_req)
return NULL;
- if (zfcp_sg_setup_table(&fc_req->sg_rsp, buf_num)) {
+ if (zfcp_fc_sg_setup_table(&fc_req->sg_rsp, buf_num)) {
kmem_cache_free(zfcp_fc_req_cache, fc_req);
return NULL;
}
@@ -763,7 +805,7 @@ void zfcp_fc_scan_ports(struct work_struct *work)
break;
}
}
- zfcp_sg_free_table(&fc_req->sg_rsp, buf_num);
+ zfcp_fc_sg_free_table(&fc_req->sg_rsp, buf_num);
kmem_cache_free(zfcp_fc_req_cache, fc_req);
out:
zfcp_fc_wka_port_put(&adapter->gs->ds);
Since commit 663e0890e31c ("[SCSI] zfcp: remove access control tables interface") these helper functions are only used for auto port scan in zfcp_fc.c. Also change them to the corresponding namespace prefix. This is a small cleanup for the miscellaneous catchall compile unit zfcp_aux.c. Signed-off-by: Steffen Maier <maier@linux.ibm.com> Reviewed-by: Benjamin Block <bblock@linux.ibm.com> --- drivers/s390/scsi/zfcp_aux.c | 44 +----------------------------------------- drivers/s390/scsi/zfcp_fc.c | 46 ++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 45 insertions(+), 45 deletions(-)