diff options
| author | Ilya Dryomov <idryomov@gmail.com> | 2019-04-08 14:16:05 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2019-07-08 14:01:45 +0200 |
| commit | ef83171b49c66d851a1a0dc6da5b4a4d8ee6ce9a (patch) | |
| tree | 59e7506c2cd595036a3bbeb22feb473d6a087b40 /include/linux | |
| parent | 637cd060537d0c40bcf4f164b8a2c6e9b747e1ad (diff) | |
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: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ceph/libceph.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index a3cddf5f0e60..82156da3c650 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -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" |