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Diffstat (limited to 'net/ceph/messenger.c')
-rw-r--r--net/ceph/messenger.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 0e8157ee5d4..1c7a2ec4f3c 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -540,8 +540,7 @@ static void prepare_write_message(struct ceph_connection *con)
/* initialize page iterator */
con->out_msg_pos.page = 0;
if (m->pages)
- con->out_msg_pos.page_pos =
- le16_to_cpu(m->hdr.data_off) & ~PAGE_MASK;
+ con->out_msg_pos.page_pos = m->page_alignment;
else
con->out_msg_pos.page_pos = 0;
con->out_msg_pos.data_pos = 0;
@@ -1491,7 +1490,7 @@ static int read_partial_message(struct ceph_connection *con)
struct ceph_msg *m = con->in_msg;
int ret;
int to, left;
- unsigned front_len, middle_len, data_len, data_off;
+ unsigned front_len, middle_len, data_len;
int datacrc = con->msgr->nocrc;
int skip;
u64 seq;
@@ -1527,19 +1526,17 @@ static int read_partial_message(struct ceph_connection *con)
data_len = le32_to_cpu(con->in_hdr.data_len);
if (data_len > CEPH_MSG_MAX_DATA_LEN)
return -EIO;
- data_off = le16_to_cpu(con->in_hdr.data_off);
/* verify seq# */
seq = le64_to_cpu(con->in_hdr.seq);
if ((s64)seq - (s64)con->in_seq < 1) {
- pr_info("skipping %s%lld %s seq %lld, expected %lld\n",
+ pr_info("skipping %s%lld %s seq %lld expected %lld\n",
ENTITY_NAME(con->peer_name),
ceph_pr_addr(&con->peer_addr.in_addr),
seq, con->in_seq + 1);
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;
} else if ((s64)seq - (s64)con->in_seq > 1) {
pr_err("read_partial_message bad seq %lld expected %lld\n",
@@ -1576,7 +1573,7 @@ static int read_partial_message(struct ceph_connection *con)
con->in_msg_pos.page = 0;
if (m->pages)
- con->in_msg_pos.page_pos = data_off & ~PAGE_MASK;
+ con->in_msg_pos.page_pos = m->page_alignment;
else
con->in_msg_pos.page_pos = 0;
con->in_msg_pos.data_pos = 0;
@@ -2301,6 +2298,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags)
/* data */
m->nr_pages = 0;
+ m->page_alignment = 0;
m->pages = NULL;
m->pagelist = NULL;
m->bio = NULL;
@@ -2370,6 +2368,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
type, front_len);
return NULL;
}
+ msg->page_alignment = le16_to_cpu(hdr->data_off);
}
memcpy(&msg->hdr, &con->in_hdr, sizeof(con->in_hdr));