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libceph: change ceph_msg_data_cursor_init() to take cursor 

Make it possible to have local cursors and embed them outside struct
ceph_msg.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2020-11-04 10:26:39 +01:00
parent 0247192809
commit 8ee8abf797
1 changed files with 3 additions and 4 deletions
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7
net/ceph/messenger.c
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@ -1170,10 +1170,9 @@ static void __ceph_msg_data_cursor_init(struct ceph_msg_data_cursor *cursor)
cursor->need_crc = true;
}
static void ceph_msg_data_cursor_init(struct ceph_msg *msg, size_t length)
static void ceph_msg_data_cursor_init(struct ceph_msg_data_cursor *cursor,
struct ceph_msg *msg, size_t length)
{
struct ceph_msg_data_cursor *cursor = &msg->cursor;
BUG_ON(!length);
BUG_ON(length > msg->data_length);
BUG_ON(!msg->num_data_items);
@ -1278,7 +1277,7 @@ static void prepare_message_data(struct ceph_msg *msg, u32 data_len)
{
/* Initialize data cursor */
ceph_msg_data_cursor_init(msg, (size_t)data_len);
ceph_msg_data_cursor_init(&msg->cursor, msg, data_len);
}
/*