libceph: support pages for class request data
Add the ability to provide an array of pages as outbound request
data for object class method calls.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 4d84a2b..4191cd2 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -273,6 +273,11 @@
extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *,
unsigned int which,
struct ceph_pagelist *pagelist);
+extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *,
+ unsigned int which,
+ struct page **pages, u64 length,
+ u32 alignment, bool pages_from_pool,
+ bool own_pages);
extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
unsigned int which,
struct page **pages, u64 length,
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index c842e87..467020c 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -214,6 +214,18 @@
}
EXPORT_SYMBOL(osd_req_op_cls_request_data_pagelist);
+void osd_req_op_cls_request_data_pages(struct ceph_osd_request *osd_req,
+ unsigned int which, struct page **pages, u64 length,
+ u32 alignment, bool pages_from_pool, bool own_pages)
+{
+ struct ceph_osd_data *osd_data;
+
+ osd_data = osd_req_op_data(osd_req, which, cls, request_data);
+ ceph_osd_data_pages_init(osd_data, pages, length, alignment,
+ pages_from_pool, own_pages);
+}
+EXPORT_SYMBOL(osd_req_op_cls_request_data_pages);
+
void osd_req_op_cls_response_data_pages(struct ceph_osd_request *osd_req,
unsigned int which, struct page **pages, u64 length,
u32 alignment, bool pages_from_pool, bool own_pages)