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| author | Ilya Dryomov <idryomov@gmail.com> | 2016-02-20 15:56:07 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-03-25 18:51:53 +0100 |
| commit | 89f081730c49a1d3b46359aa0054e6b3b80f47e4 (patch) | |
| tree | 98ab37988e7d55b90e51fa43393ae9f7a1caf0ca /net/ceph | |
| parent | 34b759b4a22b0acb82423389a24699357798cf3c (diff) | |
| download | lwn-89f081730c49a1d3b46359aa0054e6b3b80f47e4.tar.gz lwn-89f081730c49a1d3b46359aa0054e6b3b80f47e4.zip | |
libceph: use sizeof_footer() more
Don't open-code sizeof_footer() in read_partial_message() and
ceph_msg_revoke(). Also, after switching to sizeof_footer(), it's now
possible to use con_out_kvec_add() in prepare_write_message_footer().
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/messenger.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 9382619a405b..d9681bc839c7 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -1221,25 +1221,19 @@ static void prepare_message_data(struct ceph_msg *msg, u32 data_len) static void prepare_write_message_footer(struct ceph_connection *con) { struct ceph_msg *m = con->out_msg; - int v = con->out_kvec_left; m->footer.flags |= CEPH_MSG_FOOTER_COMPLETE; dout("prepare_write_message_footer %p\n", con); - con->out_kvec[v].iov_base = &m->footer; + con_out_kvec_add(con, sizeof_footer(con), &m->footer); if (con->peer_features & CEPH_FEATURE_MSG_AUTH) { if (con->ops->sign_message) con->ops->sign_message(m); else m->footer.sig = 0; - con->out_kvec[v].iov_len = sizeof(m->footer); - con->out_kvec_bytes += sizeof(m->footer); } else { m->old_footer.flags = m->footer.flags; - con->out_kvec[v].iov_len = sizeof(m->old_footer); - con->out_kvec_bytes += sizeof(m->old_footer); } - con->out_kvec_left++; con->out_more = m->more_to_follow; con->out_msg_done = true; } @@ -2409,11 +2403,7 @@ static int read_partial_message(struct ceph_connection *con) } /* footer */ - if (need_sign) - size = sizeof(m->footer); - else - size = sizeof(m->old_footer); - + size = sizeof_footer(con); end += size; ret = read_partial(con, end, size, &m->footer); if (ret <= 0) @@ -3089,10 +3079,7 @@ void ceph_msg_revoke(struct ceph_msg *msg) con->out_skip += con_out_kvec_skip(con); } else { BUG_ON(!msg->data_length); - if (con->peer_features & CEPH_FEATURE_MSG_AUTH) - con->out_skip += sizeof(msg->footer); - else - con->out_skip += sizeof(msg->old_footer); + con->out_skip += sizeof_footer(con); } /* data, middle, front */ if (msg->data_length) |