libceph: define struct ceph_sparse_extent and add some helpers

[linux-2.6-microblaze.git] / net / ceph / osd_client.c

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 6d7a430..3e03ae6 100644 (file)
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -378,6 +378,7 @@ static void osd_req_op_data_release(struct ceph_osd_request *osd_req,
        case CEPH_OSD_OP_READ:
        case CEPH_OSD_OP_WRITE:
        case CEPH_OSD_OP_WRITEFULL:
+               kfree(op->extent.sparse_ext);
                ceph_osd_data_release(&op->extent.osd_data);
                break;
        case CEPH_OSD_OP_CALL:
@@ -1120,6 +1121,18 @@ fail:
 }
 EXPORT_SYMBOL(ceph_osdc_new_request);
 
+int __ceph_alloc_sparse_ext_map(struct ceph_osd_req_op *op, int cnt)
+{
+       op->extent.sparse_ext_cnt = cnt;
+       op->extent.sparse_ext = kmalloc_array(cnt,
+                                             sizeof(*op->extent.sparse_ext),
+                                             GFP_NOFS);
+       if (!op->extent.sparse_ext)
+               return -ENOMEM;
+       return 0;
+}
+EXPORT_SYMBOL(__ceph_alloc_sparse_ext_map);
+
 /*
  * We keep osd requests in an rbtree, sorted by ->r_tid.
  */