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| author | Yan, Zheng <zyan@redhat.com> | 2017-03-28 12:04:13 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2017-05-04 10:19:20 +0300 |
| commit | 76201b6354bb3aa31c7ba2bd42b9cbb8dda71c44 (patch) | |
| tree | f22efeadc70c3ca17cdf5ddb4cfd41d1f5a36d33 /include/linux/ceph/mdsmap.h | |
| parent | 8242c9f35ae77ca21e6cf79827787789a988f44c (diff) | |
| download | linux-76201b6354bb3aa31c7ba2bd42b9cbb8dda71c44.tar.xz | |
ceph: allow connecting to mds whose rank >= mdsmap::m_max_mds
mdsmap::m_max_mds is the expected count of active mds. It's not the
max rank of active mds. User can decrease mdsmap::m_max_mds, but does
not stop mds whose rank >= mdsmap::m_max_mds.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'include/linux/ceph/mdsmap.h')
| -rw-r--r-- | include/linux/ceph/mdsmap.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/ceph/mdsmap.h b/include/linux/ceph/mdsmap.h index 8ed5dc505fbb..d5f783f3226a 100644 --- a/include/linux/ceph/mdsmap.h +++ b/include/linux/ceph/mdsmap.h @@ -25,6 +25,7 @@ struct ceph_mdsmap { u32 m_session_autoclose; /* seconds */ u64 m_max_file_size; u32 m_max_mds; /* size of m_addr, m_state arrays */ + int m_num_mds; struct ceph_mds_info *m_info; /* which object pools file data can be stored in */ @@ -40,7 +41,7 @@ struct ceph_mdsmap { static inline struct ceph_entity_addr * ceph_mdsmap_get_addr(struct ceph_mdsmap *m, int w) { - if (w >= m->m_max_mds) + if (w >= m->m_num_mds) return NULL; return &m->m_info[w].addr; } @@ -48,14 +49,14 @@ ceph_mdsmap_get_addr(struct ceph_mdsmap *m, int w) static inline int ceph_mdsmap_get_state(struct ceph_mdsmap *m, int w) { BUG_ON(w < 0); - if (w >= m->m_max_mds) + if (w >= m->m_num_mds) return CEPH_MDS_STATE_DNE; return m->m_info[w].state; } static inline bool ceph_mdsmap_is_laggy(struct ceph_mdsmap *m, int w) { - if (w >= 0 && w < m->m_max_mds) + if (w >= 0 && w < m->m_num_mds) return m->m_info[w].laggy; return false; } |