+/* layouts */
+
+static bool ceph_vxattrcb_layout_exists(struct ceph_inode_info *ci)
+{
+ size_t s;
+ char *p = (char *)&ci->i_layout;
+
+ for (s = 0; s < sizeof(ci->i_layout); s++, p++)
+ if (*p)
+ return true;
+ return false;
+}
+
+static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
+ size_t size)
+{
+ int ret;
+ struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
+ struct ceph_osd_client *osdc = &fsc->client->osdc;
+ s64 pool = ceph_file_layout_pg_pool(ci->i_layout);
+ const char *pool_name;
+
+ dout("ceph_vxattrcb_layout %p\n", &ci->vfs_inode);
+ down_read(&osdc->map_sem);
+ pool_name = ceph_pg_pool_name_by_id(osdc->osdmap, pool);
+ if (pool_name)
+ ret = snprintf(val, size,
+ "stripe_unit=%lld stripe_count=%lld object_size=%lld pool=%s",
+ (unsigned long long)ceph_file_layout_su(ci->i_layout),
+ (unsigned long long)ceph_file_layout_stripe_count(ci->i_layout),
+ (unsigned long long)ceph_file_layout_object_size(ci->i_layout),
+ pool_name);
+ else
+ ret = snprintf(val, size,
+ "stripe_unit=%lld stripe_count=%lld object_size=%lld pool=%lld",
+ (unsigned long long)ceph_file_layout_su(ci->i_layout),
+ (unsigned long long)ceph_file_layout_stripe_count(ci->i_layout),
+ (unsigned long long)ceph_file_layout_object_size(ci->i_layout),
+ (unsigned long long)pool);
+
+ up_read(&osdc->map_sem);
+ return ret;
+}
+