From 2cfa34f2d67a36e292cbe6e4c1e60d212b7ba4d1 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Fri, 21 Mar 2014 19:05:30 +0200 Subject: libceph: primary_affinity infrastructure Add primary_affinity infrastructure. primary_affinity values are stored in an max_osd-sized array, hanging off ceph_osdmap, similar to a osd_weight array. Introduce {get,set}_primary_affinity() helpers, primarily to return CEPH_OSD_DEFAULT_PRIMARY_AFFINITY when no affinity has been set and to abstract out osd_primary_affinity array allocation and initialization. Signed-off-by: Ilya Dryomov Reviewed-by: Alex Elder --- include/linux/ceph/osdmap.h | 3 +++ include/linux/ceph/rados.h | 4 ++++ 2 files changed, 7 insertions(+) (limited to 'include/linux/ceph') diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h index db4fb6322aae..6e030cb3c9ca 100644 --- a/include/linux/ceph/osdmap.h +++ b/include/linux/ceph/osdmap.h @@ -88,6 +88,8 @@ struct ceph_osdmap { struct rb_root pg_temp; struct rb_root primary_temp; + u32 *osd_primary_affinity; + struct rb_root pg_pools; u32 pool_max; @@ -134,6 +136,7 @@ static inline bool ceph_osdmap_flag(struct ceph_osdmap *map, int flag) } extern char *ceph_osdmap_state_str(char *str, int len, int state); +extern u32 ceph_get_primary_affinity(struct ceph_osdmap *map, int osd); static inline struct ceph_entity_addr *ceph_osd_addr(struct ceph_osdmap *map, int osd) diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h index 2caabef8d369..bb6f40c9cb0f 100644 --- a/include/linux/ceph/rados.h +++ b/include/linux/ceph/rados.h @@ -133,6 +133,10 @@ extern const char *ceph_osd_state_name(int s); #define CEPH_OSD_IN 0x10000 #define CEPH_OSD_OUT 0 +/* osd primary-affinity. fixed point value: 0x10000 == baseline */ +#define CEPH_OSD_MAX_PRIMARY_AFFINITY 0x10000 +#define CEPH_OSD_DEFAULT_PRIMARY_AFFINITY 0x10000 + /* * osd map flag bits -- cgit v1.2.3-59-g8ed1b