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From: Stephen Rothwell on 13 May 2010 20:10
Hi Sage,

Today's linux-next merge of the ceph tree got a conflict in
fs/ceph/messenger.c between commit
45c6ceb547ad2d98215351974a4686bf8cb13e14 ("ceph: zero unused message
header, footer fields") from Linus' tree and commit
c46c4a323cad3fb2678a6b9ffd200b7640b0dc61 ("ceph: simplify ceph_msg_new")
from the ceph tree.

I fixed it up (I think - see below) and can carry the fix for a while.
--
Cheers,
Stephen Rothwell sfr(a)canb.auug.org.au

diff --cc fs/ceph/messenger.c
index cd4fadb,402d9ee..0000000
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@@ -1406,15 -1380,12 +1408,13 @@@ static int read_partial_message(struct
con->in_base_pos = -front_len - middle_len - data_len -
sizeof(m->footer);
con->in_tag = CEPH_MSGR_TAG_READY;
+ con->in_seq++;
return 0;
}
- if (IS_ERR(con->in_msg)) {
- ret = PTR_ERR(con->in_msg);
- con->in_msg = NULL;
+ if (!con->in_msg) {
con->error_msg =
"error allocating memory for incoming message";
- return ret;
+ return -ENOMEM;
}
m = con->in_msg;
m->front.iov_len = 0; /* haven't read it yet */
@@@ -2094,15 -2061,12 +2093,15 @@@ struct ceph_msg *ceph_msg_new(int type
kref_init(&m->kref);
INIT_LIST_HEAD(&m->list_head);

+ m->hdr.tid = 0;
m->hdr.type = cpu_to_le16(type);
+ m->hdr.priority = cpu_to_le16(CEPH_MSG_PRIO_DEFAULT);
+ m->hdr.version = 0;
m->hdr.front_len = cpu_to_le32(front_len);
m->hdr.middle_len = 0;
- m->hdr.data_len = cpu_to_le32(page_len);
- m->hdr.data_off = cpu_to_le16(page_off);
+ m->hdr.data_len = 0;
+ m->hdr.data_off = 0;
- m->hdr.priority = cpu_to_le16(CEPH_MSG_PRIO_DEFAULT);
+ m->hdr.reserved = 0;
m->footer.front_crc = 0;
m->footer.middle_crc = 0;
m->footer.data_crc = 0;
--
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