This is a nit, but prepare_write_message() sets the FOOTER_COMPLETE
flag before the CRC for the data portion (recorded in the footer)
has been completely computed. Hold off setting the complete flag
until we've decided it's ready to send.
Signed-off-by: Alex Elder <el...@inktank.com>
---
net/ceph/messenger.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: b/net/ceph/messenger.c
===================================================================
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -616,6 +616,8 @@ static void prepare_write_message_footer
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_is_msg = true;
con->out_kvec[v].iov_base = &m->footer;
@@ -689,7 +691,7 @@ static void prepare_write_message(struct
/* fill in crc (except data pages), footer */
crc = crc32c(0, &m->hdr, offsetof(struct ceph_msg_header, crc));
con->out_msg->hdr.crc = cpu_to_le32(crc);
- con->out_msg->footer.flags = CEPH_MSG_FOOTER_COMPLETE;
+ con->out_msg->footer.flags = 0;
crc = crc32c(0, m->front.iov_base, m->front.iov_len);
con->out_msg->footer.front_crc = cpu_to_le32(crc);
--
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