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Commit f984cb76 authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

libceph: make pgid_cmp() global 



calc_target() code is going to need to know how to compare PGs.  Take
lhs and rhs pgid by const * while at it.

Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent f81f1633

include/linux/ceph/osdmap.h

+2 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ struct ceph_pg { 
	uint32_t seed;

};



int ceph_pg_compare(const struct ceph_pg *lhs, const struct ceph_pg *rhs);



#define CEPH_POOL_FLAG_HASHPSPOOL  1



struct ceph_pg_pool_info {

net/ceph/osdmap.c

+12 −11
Original line number Diff line number Diff line
@@ -380,23 +380,24 @@ static struct crush_map *crush_decode(void *pbyval, void *end) 
	return ERR_PTR(err);

}



/*

 * rbtree of pg_mapping for handling pg_temp (explicit mapping of pgid

 * to a set of osds) and primary_temp (explicit primary setting)

 */

static int pgid_cmp(struct ceph_pg l, struct ceph_pg r)

int ceph_pg_compare(const struct ceph_pg *lhs, const struct ceph_pg *rhs)

{

	if (l.pool < r.pool)

	if (lhs->pool < rhs->pool)

		return -1;

	if (l.pool > r.pool)

	if (lhs->pool > rhs->pool)

		return 1;

	if (l.seed < r.seed)

	if (lhs->seed < rhs->seed)

		return -1;

	if (l.seed > r.seed)

	if (lhs->seed > rhs->seed)

		return 1;



	return 0;

}



/*

 * rbtree of pg_mapping for handling pg_temp (explicit mapping of pgid

 * to a set of osds) and primary_temp (explicit primary setting)

 */

static int __insert_pg_mapping(struct ceph_pg_mapping *new,

			       struct rb_root *root)

{
@@ -409,7 +410,7 @@ static int __insert_pg_mapping(struct ceph_pg_mapping *new, 
	while (*p) {

		parent = *p;

		pg = rb_entry(parent, struct ceph_pg_mapping, node);

		c = pgid_cmp(new->pgid, pg->pgid);

		c = ceph_pg_compare(&new->pgid, &pg->pgid);

		if (c < 0)

			p = &(*p)->rb_left;

		else if (c > 0)
@@ -432,7 +433,7 @@ static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root, 


	while (n) {

		pg = rb_entry(n, struct ceph_pg_mapping, node);

		c = pgid_cmp(pgid, pg->pgid);

		c = ceph_pg_compare(&pgid, &pg->pgid);

		if (c < 0) {

			n = n->rb_left;

		} else if (c > 0) {