libceph: have osd requests support pagelist data

Add support for recording a ceph pagelist as data associated with an
osd request.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index bcf3f72ec3f8..cf0ba93426da 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -53,6 +53,7 @@ struct ceph_osd {
 enum ceph_osd_data_type {
         CEPH_OSD_DATA_TYPE_NONE,
         CEPH_OSD_DATA_TYPE_PAGES,
+        CEPH_OSD_DATA_TYPE_PAGELIST,
 #ifdef CONFIG_BLOCK
         CEPH_OSD_DATA_TYPE_BIO,
 #endif /* CONFIG_BLOCK */
@@ -68,8 +69,9 @@ struct ceph_osd_data {
                         bool            pages_from_pool;
                         bool            own_pages;
                 };
+                struct ceph_pagelist    *pagelist;
 #ifdef CONFIG_BLOCK
-                struct bio       *bio;
+                struct bio              *bio;
 #endif /* CONFIG_BLOCK */
         };
 };