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libceph: ceph_can_shift_osds(pool) and pool type defines

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Bring in pg_pool_t::can_shift_osds() counterpart along with pool type
defines.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
This commit is contained in:
Ilya Dryomov 2014-03-24 17:12:47 +02:00 • committed by Sage Weil
parent 246138fa67
commit 2abebdbca7
2 changed files with 15 additions and 2 deletions
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12
include/linux/ceph/osdmap.h
View file

@ -41,6 +41,18 @@ struct ceph_pg_pool_info {
char *name; char *name;
}; };
static inline bool ceph_can_shift_osds(struct ceph_pg_pool_info *pool)
{
switch (pool->type) {
case CEPH_POOL_TYPE_REP:
return true;
case CEPH_POOL_TYPE_EC:
return false;
default:
BUG_ON(1);
}
}
struct ceph_object_locator { struct ceph_object_locator {
s64 pool; s64 pool;
}; };

5
include/linux/ceph/rados.h
View file

@ -81,8 +81,9 @@ struct ceph_pg_v1 {
*/ */
#define CEPH_NOPOOL ((__u64) (-1)) /* pool id not defined */ #define CEPH_NOPOOL ((__u64) (-1)) /* pool id not defined */
#define CEPH_PG_TYPE_REP 1 #define CEPH_POOL_TYPE_REP 1
#define CEPH_PG_TYPE_RAID4 2 #define CEPH_POOL_TYPE_RAID4 2 /* never implemented */
#define CEPH_POOL_TYPE_EC 3
/* /*
* stable_mod func is used to control number of placement groups. * stable_mod func is used to control number of placement groups.