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Commit 33333d10 authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

libceph: don't pass pgid by value 



Make __{lookup,remove}_pg_mapping() look like their ceph_spg_mapping
counterparts: take const struct ceph_pg *.

Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent a02a946d

net/ceph/osdmap.c

+10 −10
Original line number Diff line number Diff line
@@ -465,7 +465,7 @@ static int __insert_pg_mapping(struct ceph_pg_mapping *new, 
}



static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root,

						   struct ceph_pg pgid)

						   const struct ceph_pg *pgid)

{

	struct rb_node *n = root->rb_node;

	struct ceph_pg_mapping *pg;
@@ -473,32 +473,32 @@ static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root, 


	while (n) {

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

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

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

		if (c < 0) {

			n = n->rb_left;

		} else if (c > 0) {

			n = n->rb_right;

		} else {

			dout("__lookup_pg_mapping %lld.%x got %p\n",

			     pgid.pool, pgid.seed, pg);

			     pgid->pool, pgid->seed, pg);

			return pg;

		}

	}

	return NULL;

}



static int __remove_pg_mapping(struct rb_root *root, struct ceph_pg pgid)

static int __remove_pg_mapping(struct rb_root *root, const struct ceph_pg *pgid)

{

	struct ceph_pg_mapping *pg = __lookup_pg_mapping(root, pgid);



	if (pg) {

		dout("__remove_pg_mapping %lld.%x %p\n", pgid.pool, pgid.seed,

		dout("__remove_pg_mapping %lld.%x %p\n", pgid->pool, pgid->seed,

		     pg);

		rb_erase(&pg->node, root);

		kfree(pg);

		return 0;

	}

	dout("__remove_pg_mapping %lld.%x dne\n", pgid.pool, pgid.seed);

	dout("__remove_pg_mapping %lld.%x dne\n", pgid->pool, pgid->seed);

	return -ENOENT;

}
@@ -1034,7 +1034,7 @@ static int __decode_pg_temp(void **p, void *end, struct ceph_osdmap *map, 


		ceph_decode_32_safe(p, end, len, e_inval);



		ret = __remove_pg_mapping(&map->pg_temp, pgid);

		ret = __remove_pg_mapping(&map->pg_temp, &pgid);

		BUG_ON(!incremental && ret != -ENOENT);



		if (!incremental || len > 0) {
@@ -1095,7 +1095,7 @@ static int __decode_primary_temp(void **p, void *end, struct ceph_osdmap *map, 


		ceph_decode_32_safe(p, end, osd, e_inval);



		ret = __remove_pg_mapping(&map->primary_temp, pgid);

		ret = __remove_pg_mapping(&map->primary_temp, &pgid);

		BUG_ON(!incremental && ret != -ENOENT);



		if (!incremental || osd != (u32)-1) {
@@ -2226,7 +2226,7 @@ static void get_temp_osds(struct ceph_osdmap *osdmap, 
	ceph_osds_init(temp);



	/* pg_temp? */

	pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid);

	pg = __lookup_pg_mapping(&osdmap->pg_temp, &pgid);

	if (pg) {

		for (i = 0; i < pg->pg_temp.len; i++) {

			if (ceph_osd_is_down(osdmap, pg->pg_temp.osds[i])) {
@@ -2249,7 +2249,7 @@ static void get_temp_osds(struct ceph_osdmap *osdmap, 
	}



	/* primary_temp? */

	pg = __lookup_pg_mapping(&osdmap->primary_temp, pgid);

	pg = __lookup_pg_mapping(&osdmap->primary_temp, &pgid);

	if (pg)

		temp->primary = pg->primary_temp.osd;

}