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| author | Ilya Dryomov | 2018-09-26 18:03:16 +0200 |
|---|---|---|
| committer | Ilya Dryomov | 2018-10-22 10:28:20 +0200 |
| commit | 94e6992bb560be8bffb47f287194adf070b57695 (patch) | |
| tree | 5ab819eb888a10158f7b0904a38166d86ff787fe /include/linux/ceph | |
| parent | ceph: only allow punch hole mode in fallocate (diff) | |
| download | kernel-qcow2-linux-94e6992bb560be8bffb47f287194adf070b57695.tar.gz kernel-qcow2-linux-94e6992bb560be8bffb47f287194adf070b57695.tar.xz kernel-qcow2-linux-94e6992bb560be8bffb47f287194adf070b57695.zip | |
libceph: bump CEPH_MSG_MAX_DATA_LEN
If the read is large enough, we end up spinning in the messenger:
libceph: osd0 192.168.122.1:6801 io error
libceph: osd0 192.168.122.1:6801 io error
libceph: osd0 192.168.122.1:6801 io error
This is a receive side limit, so only reads were affected.
Cc: stable@vger.kernel.org
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'include/linux/ceph')
| -rw-r--r-- | include/linux/ceph/libceph.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 49c93b9308d7..68bb09c29ce8 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -81,7 +81,13 @@ struct ceph_options { #define CEPH_MSG_MAX_FRONT_LEN (16*1024*1024) #define CEPH_MSG_MAX_MIDDLE_LEN (16*1024*1024) -#define CEPH_MSG_MAX_DATA_LEN (16*1024*1024) + +/* + * Handle the largest possible rbd object in one message. + * 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_AUTH_NAME_DEFAULT "guest" |