diff options
| author | Alex Elder <elder@inktank.com> | 2013-02-15 22:10:17 -0600 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-05-01 21:14:25 -0700 |
| commit | 47a05811b656915789bdd4c7e8cc18007e09c56d (patch) | |
| tree | 37a38954651d1ffa23a7a3ca99d525f0f5a6b46f | |
| parent | 07c09b725543ff2958c11522d583f90f7fdba735 (diff) | |
libceph: pass object number back to calc_layout() caller
Have calc_layout() pass the computed object number back to its
caller. (This is a small step to simplify review.)
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
| -rw-r--r-- | net/ceph/osd_client.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index cf4e15bfe0d..f4bdb6a6958 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -67,16 +67,15 @@ static int calc_layout(struct ceph_vino vino, struct ceph_file_layout *layout, u64 off, u64 *plen, struct ceph_osd_request *req, - struct ceph_osd_req_op *op) + struct ceph_osd_req_op *op, u64 *bno) { u64 orig_len = *plen; - u64 bno = 0; u64 objoff = 0; u64 objlen = 0; int r; /* object extent? */ - r = ceph_calc_file_object_mapping(layout, off, orig_len, &bno, + r = ceph_calc_file_object_mapping(layout, off, orig_len, bno, &objoff, &objlen); if (r < 0) return r; @@ -104,9 +103,9 @@ static int calc_layout(struct ceph_vino vino, op->payload_len = *plen; dout("calc_layout bno=%llx %llu~%llu (%d pages)\n", - bno, objoff, objlen, req->r_num_pages); + *bno, objoff, objlen, req->r_num_pages); - snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, bno); + snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, *bno); req->r_oid_len = strlen(req->r_oid); return 0; @@ -449,6 +448,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, struct ceph_osd_req_op ops[2]; struct ceph_osd_request *req; unsigned int num_op = 1; + u64 bno = 0; int r; memset(&ops, 0, sizeof ops); @@ -469,11 +469,12 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, req->r_flags = flags; /* calculate max write size */ - r = calc_layout(vino, layout, off, plen, req, ops); + r = calc_layout(vino, layout, off, plen, req, ops, &bno); if (r < 0) { ceph_osdc_put_request(req); return ERR_PTR(r); } + req->r_file_layout = *layout; /* keep a copy */ /* in case it differs from natural (file) alignment that |