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-rw-r--r--net/ceph/osd_client.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index ccd4e031fa3f..32355d9d0103 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -534,6 +534,28 @@ void osd_req_op_extent_update(struct ceph_osd_request *osd_req,
}
EXPORT_SYMBOL(osd_req_op_extent_update);
+void osd_req_op_extent_dup_last(struct ceph_osd_request *osd_req,
+ unsigned int which, u64 offset_inc)
+{
+ struct ceph_osd_req_op *op, *prev_op;
+
+ BUG_ON(which + 1 >= osd_req->r_num_ops);
+
+ prev_op = &osd_req->r_ops[which];
+ op = _osd_req_op_init(osd_req, which + 1, prev_op->op, prev_op->flags);
+ /* dup previous one */
+ op->indata_len = prev_op->indata_len;
+ op->outdata_len = prev_op->outdata_len;
+ op->extent = prev_op->extent;
+ /* adjust offset */
+ op->extent.offset += offset_inc;
+ op->extent.length -= offset_inc;
+
+ if (op->op == CEPH_OSD_OP_WRITE || op->op == CEPH_OSD_OP_WRITEFULL)
+ op->indata_len -= offset_inc;
+}
+EXPORT_SYMBOL(osd_req_op_extent_dup_last);
+
void osd_req_op_cls_init(struct ceph_osd_request *osd_req, unsigned int which,
u16 opcode, const char *class, const char *method)
{