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libceph: drop last_piece flag from ceph_msg_data_cursor

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ceph_msg_data_next is always passed a NULL pointer for this field. Some
of the "next" operations look at it in order to determine the length,
but we can just take the min of the data on the page or cursor->resid.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton
2022-05-25 06:11:00 -04:00
committed by Ilya Dryomov
parent 4fe89d07dc
commit da4ab869e3
4 changed files with 10 additions and 42 deletions
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6
net/ceph/messenger_v1.c
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@@ -495,7 +495,7 @@ static int write_partial_message_data(struct ceph_connection *con)
continue;
}
page = ceph_msg_data_next(cursor, &page_offset, &length, NULL);
page = ceph_msg_data_next(cursor, &page_offset, &length);
if (length == cursor->total_resid)
more = MSG_MORE;
ret = ceph_tcp_sendpage(con->sock, page, page_offset, length,
@@ -1008,7 +1008,7 @@ static int read_partial_msg_data(struct ceph_connection *con)
continue;
}
page = ceph_msg_data_next(cursor, &page_offset, &length, NULL);
page = ceph_msg_data_next(cursor, &page_offset, &length);
ret = ceph_tcp_recvpage(con->sock, page, page_offset, length);
if (ret <= 0) {
if (do_datacrc)
@@ -1050,7 +1050,7 @@ static int read_partial_msg_data_bounce(struct ceph_connection *con)
continue;
}
page = ceph_msg_data_next(cursor, &off, &len, NULL);
page = ceph_msg_data_next(cursor, &off, &len);
ret = ceph_tcp_recvpage(con->sock, con->bounce_page, 0, len);
if (ret <= 0) {
con->in_data_crc = crc;