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| author | Alex Elder <elder@inktank.com> | 2013-02-14 12:16:43 -0600 |
|---|---|---|
| committer | Alex Elder <elder@inktank.com> | 2013-02-19 19:14:02 -0600 |
| commit | f44246e394eadf0754bd6716f8ba1fabf362a87d (patch) | |
| tree | 2c76c5e1558f0dd8070bad387af29b499ffdc8ea /net/ceph | |
| parent | 0eb40bf65e2fcc1c23ed7c9a10cd0890ee59e68f (diff) | |
| download | blackbird-op-linux-f44246e394eadf0754bd6716f8ba1fabf362a87d.tar.gz blackbird-op-linux-f44246e394eadf0754bd6716f8ba1fabf362a87d.zip | |
libceph: simplify data length calculation
Simplify the way the data length recorded in a message header is
calculated in ceph_osdc_build_request().
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/osd_client.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index bbd157592c6c..b58748ec405d 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -335,7 +335,7 @@ void ceph_osdc_build_request(struct ceph_osd_request *req, void *p; size_t msg_size = sizeof(*head) + num_op*sizeof(*op); int flags = req->r_flags; - u64 data_len = 0; + u64 data_len; int i; WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0); @@ -363,8 +363,6 @@ void ceph_osdc_build_request(struct ceph_osd_request *req, while (num_op--) osd_req_encode_op(req, op++, src_op++); - data_len += req->r_trail.length; - if (snapc) { head->snap_seq = cpu_to_le64(snapc->seq); head->num_snaps = cpu_to_le32(snapc->num_snaps); @@ -374,14 +372,12 @@ void ceph_osdc_build_request(struct ceph_osd_request *req, } } + data_len = req->r_trail.length; if (flags & CEPH_OSD_FLAG_WRITE) { req->r_request->hdr.data_off = cpu_to_le16(off); - req->r_request->hdr.data_len = cpu_to_le32(len + data_len); - } else if (data_len) { - req->r_request->hdr.data_off = 0; - req->r_request->hdr.data_len = cpu_to_le32(data_len); + data_len += len; } - + req->r_request->hdr.data_len = cpu_to_le32(data_len); req->r_request->page_alignment = req->r_page_alignment; BUG_ON(p > msg->front.iov_base + msg->front.iov_len); |
