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| author | Ilya Dryomov <ilya.dryomov@inktank.com> | 2014-03-21 19:05:29 +0200 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2014-04-04 21:07:57 -0700 |
| commit | 35a935d75d51abe58d3427a8b4ae3745a5a14e1c (patch) | |
| tree | 0ad881fa4d6c3417e10d07cd6423751cf68e6a1f | |
| parent | ec7af97258396161e6effba7e788c3fc3cb55263 (diff) | |
| download | lwn-35a935d75d51abe58d3427a8b4ae3745a5a14e1c.tar.gz lwn-35a935d75d51abe58d3427a8b4ae3745a5a14e1c.zip | |
libceph: generalize ceph_pg_mapping
In preparation for adding support for primary_temp mappings, generalize
struct ceph_pg_mapping so it can hold mappings other than pg_temp.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
| -rw-r--r-- | include/linux/ceph/osdmap.h | 9 | ||||
| -rw-r--r-- | net/ceph/debugfs.c | 4 | ||||
| -rw-r--r-- | net/ceph/osdmap.c | 8 |
3 files changed, 13 insertions, 8 deletions
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h index 46c3e304c3d8..4837e58e3203 100644 --- a/include/linux/ceph/osdmap.h +++ b/include/linux/ceph/osdmap.h @@ -60,8 +60,13 @@ struct ceph_object_id { struct ceph_pg_mapping { struct rb_node node; struct ceph_pg pgid; - int len; - int osds[]; + + union { + struct { + int len; + int osds[]; + } pg_temp; + }; }; struct ceph_osdmap { diff --git a/net/ceph/debugfs.c b/net/ceph/debugfs.c index c45d235e774e..5865f2c9580a 100644 --- a/net/ceph/debugfs.c +++ b/net/ceph/debugfs.c @@ -88,9 +88,9 @@ static int osdmap_show(struct seq_file *s, void *p) seq_printf(s, "pg_temp %llu.%x [", pg->pgid.pool, pg->pgid.seed); - for (i = 0; i < pg->len; i++) + for (i = 0; i < pg->pg_temp.len; i++) seq_printf(s, "%s%d", (i == 0 ? "" : ","), - pg->osds[i]); + pg->pg_temp.osds[i]); seq_printf(s, "]\n"); } diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index be2a65fbd902..c67a309fdfc2 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -822,9 +822,9 @@ static int __decode_pg_temp(void **p, void *end, struct ceph_osdmap *map, return -ENOMEM; pg->pgid = pgid; - pg->len = len; + pg->pg_temp.len = len; for (i = 0; i < len; i++) - pg->osds[i] = ceph_decode_32(p); + pg->pg_temp.osds[i] = ceph_decode_32(p); ret = __insert_pg_mapping(pg, &map->pg_temp); if (ret) { @@ -1281,8 +1281,8 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, pool->pg_num_mask); pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid); if (pg) { - *num = pg->len; - return pg->osds; + *num = pg->pg_temp.len; + return pg->pg_temp.osds; } /* crush */ |