Commit ef83171b authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

libceph: bump CEPH_MSG_MAX_DATA_LEN (again) 



This time for rbd object map.  Object maps are limited in size to
256000000 objects, two bits per object.

Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
Reviewed-by: default avatarDongsheng Yang <dongsheng.yang@easystack.cn>
parent 637cd060

include/linux/ceph/libceph.h

+4 −2
Original line number Diff line number Diff line
@@ -84,11 +84,13 @@ struct ceph_options { 
#define CEPH_MSG_MAX_MIDDLE_LEN	(16*1024*1024)



/*

 * Handle the largest possible rbd object in one message.

 * The largest possible rbd data object is 32M.

 * The largest possible rbd object map object is 64M.

 *

 * There is no limit on the size of cephfs objects, but it has to obey

 * rsize and wsize mount options anyway.

 */

#define CEPH_MSG_MAX_DATA_LEN	(32*1024*1024)

#define CEPH_MSG_MAX_DATA_LEN	(64*1024*1024)



#define CEPH_AUTH_NAME_DEFAULT   "guest"

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