fs/ceph/file.c

2740  * src_ci.  Two attempts are made to obtain both caps, and an error is return if
2765 		/* Start by dropping dst_ci caps and getting src_ci caps */
2777 		/*... drop src_ci caps too, and retry */
2785 static void put_rd_wr_caps(struct ceph_inode_info *src_ci, int src_got,
2788 	ceph_put_cap_refs(src_ci, src_got);
2876 static ssize_t ceph_do_objects_copy(struct ceph_inode_info *src_ci, u64 *src_off,
2888 	u32 object_size = src_ci->i_layout.object_size;
2892 	src_oloc.pool = src_ci->i_layout.pool_id;
2893 	src_oloc.pool_ns = ceph_try_get_string(src_ci->i_layout.pool_ns);
2899 		ceph_calc_file_object_mapping(&src_ci->i_layout, *src_off,
2907 				src_ci->i_vino.ino, src_objnum);
2912 		req = ceph_alloc_copyfrom_request(osdc, src_ci->i_vino.snap,
2957 	struct ceph_inode_info *src_ci = ceph_inode(src_inode);
3000 	if ((src_ci->i_layout.stripe_unit != dst_ci->i_layout.stripe_unit) ||
3001 	    (src_ci->i_layout.stripe_count != 1) ||
3003 	    (src_ci->i_layout.object_size != dst_ci->i_layout.object_size)) {
3012 	if (len < src_ci->i_layout.object_size)
3032 	 * We need FILE_WR caps for dst_ci and FILE_RD for src_ci as other
3058 	ceph_calc_file_object_mapping(&src_ci->i_layout, src_off,
3059 				      src_ci->i_layout.object_size,
3082 		put_rd_wr_caps(src_ci, src_got, dst_ci, dst_got);
3102 	bytes = ceph_do_objects_copy(src_ci, &src_off, dst_ci, &dst_off,
3130 	put_rd_wr_caps(src_ci, src_got, dst_ci, dst_got);
3136 	if (len && (len < src_ci->i_layout.object_size)) {