summaryrefslogtreecommitdiff
path: root/include/linux/ceph
diff options
context:
space:
mode:
authorAlex Elder <elder@inktank.com>2013-03-08 01:38:28 +0400
committerSage Weil <sage@inktank.com>2013-05-02 08:17:01 +0400
commite766d7b55e10f93c7bab298135a4e90dcc46620d (patch)
tree0b3bebb5ee06c1a63d2155c6ba3ce52f83d63fe7 /include/linux/ceph
parent6aaa4511deb4b0fd776d1153dc63a89cdc024fb8 (diff)
downloadlinux-e766d7b55e10f93c7bab298135a4e90dcc46620d.tar.xz
libceph: implement pages array cursor
Implement and use cursor routines for page array message data items for outbound message data. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'include/linux/ceph')
-rw-r--r--include/linux/ceph/messenger.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 76b4645e2dff..b53b9ef65009 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -105,6 +105,12 @@ struct ceph_msg_data_cursor {
unsigned int vector_offset; /* bytes from vector */
};
#endif /* CONFIG_BLOCK */
+ struct { /* pages */
+ size_t resid; /* bytes from array */
+ unsigned int page_offset; /* offset in page */
+ unsigned short page_index; /* index in array */
+ unsigned short page_count; /* pages in array */
+ };
struct { /* pagelist */
struct page *page; /* page from list */
size_t offset; /* bytes from list */