libceph: kill ceph_calc_raw_layout()
There is no caller of ceph_calc_raw_layout() outside of libceph, so
there's no need to export from the module.
Furthermore, there is only one caller, in calc_layout(), and it
is not much more than a simple wrapper for that function.
So get rid of ceph_calc_raw_layout() and embed it instead within
calc_layout().
While touching "osd_client.c", get rid of the unnecessary forward
declaration of __send_request().
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 0d67cd3..cd3a489 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -38,49 +38,6 @@
op == CEPH_OSD_OP_WRITE);
}
-int ceph_calc_raw_layout(struct ceph_file_layout *layout,
- u64 off, u64 *plen, u64 *bno,
- struct ceph_osd_request *req,
- struct ceph_osd_req_op *op)
-{
- u64 orig_len = *plen;
- u64 objoff, objlen; /* extent in object */
- int r;
-
- /* object extent? */
- r = ceph_calc_file_object_mapping(layout, off, orig_len, bno,
- &objoff, &objlen);
- if (r < 0)
- return r;
- if (objlen < orig_len) {
- *plen = objlen;
- dout(" skipping last %llu, final file extent %llu~%llu\n",
- orig_len - *plen, off, *plen);
- }
-
- if (op_has_extent(op->op)) {
- u32 osize = le32_to_cpu(layout->fl_object_size);
- op->extent.offset = objoff;
- op->extent.length = objlen;
- if (op->extent.truncate_size <= off - objoff) {
- op->extent.truncate_size = 0;
- } else {
- op->extent.truncate_size -= off - objoff;
- if (op->extent.truncate_size > osize)
- op->extent.truncate_size = osize;
- }
- }
- req->r_num_pages = calc_pages_for(off, *plen);
- req->r_page_alignment = off & ~PAGE_MASK;
- if (op->op == CEPH_OSD_OP_WRITE)
- op->payload_len = *plen;
-
- dout("calc_layout bno=%llx %llu~%llu (%d pages)\n",
- *bno, objoff, objlen, req->r_num_pages);
- return 0;
-}
-EXPORT_SYMBOL(ceph_calc_raw_layout);
-
/*
* Implement client access to distributed object storage cluster.
*
@@ -112,12 +69,42 @@
struct ceph_osd_request *req,
struct ceph_osd_req_op *op)
{
- u64 bno;
+ u64 orig_len = *plen;
+ u64 bno = 0;
+ u64 objoff = 0;
+ u64 objlen = 0;
int r;
- r = ceph_calc_raw_layout(layout, off, plen, &bno, req, op);
+ /* object extent? */
+ r = ceph_calc_file_object_mapping(layout, off, orig_len, &bno,
+ &objoff, &objlen);
if (r < 0)
return r;
+ if (objlen < orig_len) {
+ *plen = objlen;
+ dout(" skipping last %llu, final file extent %llu~%llu\n",
+ orig_len - *plen, off, *plen);
+ }
+
+ if (op_has_extent(op->op)) {
+ u32 osize = le32_to_cpu(layout->fl_object_size);
+ op->extent.offset = objoff;
+ op->extent.length = objlen;
+ if (op->extent.truncate_size <= off - objoff) {
+ op->extent.truncate_size = 0;
+ } else {
+ op->extent.truncate_size -= off - objoff;
+ if (op->extent.truncate_size > osize)
+ op->extent.truncate_size = osize;
+ }
+ }
+ req->r_num_pages = calc_pages_for(off, *plen);
+ req->r_page_alignment = off & ~PAGE_MASK;
+ if (op->op == CEPH_OSD_OP_WRITE)
+ op->payload_len = *plen;
+
+ dout("calc_layout bno=%llx %llu~%llu (%d pages)\n",
+ bno, objoff, objlen, req->r_num_pages);
snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, bno);
req->r_oid_len = strlen(req->r_oid);