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Commit 92bb062f authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://github.com/NewDreamNetwork/ceph-client 

* 'for-linus' of git://github.com/NewDreamNetwork/ceph-client:
  libceph: fix pg_temp mapping update
  libceph: fix pg_temp mapping calculation
  libceph: fix linger request requeuing
  libceph: fix parse options memory leak
  libceph: initialize ack_stamp to avoid unnecessary connection reset
parents 7409b713 8adc8b3d

net/ceph/ceph_common.c

+1 −0
Original line number Diff line number Diff line
@@ -232,6 +232,7 @@ void ceph_destroy_options(struct ceph_options *opt) 
		ceph_crypto_key_destroy(opt->key);

		kfree(opt->key);

	}

	kfree(opt->mon_addr);

	kfree(opt);

}

EXPORT_SYMBOL(ceph_destroy_options);

net/ceph/messenger.c

+1 −0
Original line number Diff line number Diff line
@@ -2307,6 +2307,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) 
	m->front_max = front_len;

	m->front_is_vmalloc = false;

	m->more_to_follow = false;

	m->ack_stamp = 0;

	m->pool = NULL;



	/* middle */

net/ceph/osd_client.c

+1 −3
Original line number Diff line number Diff line
@@ -217,6 +217,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, 
	INIT_LIST_HEAD(&req->r_unsafe_item);

	INIT_LIST_HEAD(&req->r_linger_item);

	INIT_LIST_HEAD(&req->r_linger_osd);

	INIT_LIST_HEAD(&req->r_req_lru_item);

	req->r_flags = flags;



	WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0);
@@ -816,13 +817,10 @@ static void __register_request(struct ceph_osd_client *osdc, 
{

	req->r_tid = ++osdc->last_tid;

	req->r_request->hdr.tid = cpu_to_le64(req->r_tid);

	INIT_LIST_HEAD(&req->r_req_lru_item);



	dout("__register_request %p tid %lld\n", req, req->r_tid);

	__insert_request(osdc, req);

	ceph_osdc_get_request(req);

	osdc->num_requests++;



	if (osdc->num_requests == 1) {

		dout(" first request, scheduling timeout\n");

		__schedule_osd_timeout(osdc);

net/ceph/osdmap.c

+45 −39
Original line number Diff line number Diff line
@@ -339,6 +339,7 @@ static int __insert_pg_mapping(struct ceph_pg_mapping *new, 
	struct ceph_pg_mapping *pg = NULL;

	int c;



	dout("__insert_pg_mapping %llx %p\n", *(u64 *)&new->pgid, new);

	while (*p) {

		parent = *p;

		pg = rb_entry(parent, struct ceph_pg_mapping, node);
@@ -366,16 +367,33 @@ 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);

		if (c < 0)

		if (c < 0) {

			n = n->rb_left;

		else if (c > 0)

		} else if (c > 0) {

			n = n->rb_right;

		else

		} else {

			dout("__lookup_pg_mapping %llx got %p\n",

			     *(u64 *)&pgid, pg);

			return pg;

		}

	}

	return NULL;

}



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

{

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



	if (pg) {

		dout("__remove_pg_mapping %llx %p\n", *(u64 *)&pgid, pg);

		rb_erase(&pg->node, root);

		kfree(pg);

		return 0;

	}

	dout("__remove_pg_mapping %llx dne\n", *(u64 *)&pgid);

	return -ENOENT;

}



/*

 * rbtree of pg pool info

 */
@@ -711,7 +729,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, 
	void *start = *p;

	int err = -EINVAL;

	u16 version;

	struct rb_node *rbp;



	ceph_decode_16_safe(p, end, version, bad);

	if (version > CEPH_OSDMAP_INC_VERSION) {
@@ -861,7 +878,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, 
	}



	/* new_pg_temp */

	rbp = rb_first(&map->pg_temp);

	ceph_decode_32_safe(p, end, len, bad);

	while (len--) {

		struct ceph_pg_mapping *pg;
@@ -872,18 +888,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, 
		ceph_decode_copy(p, &pgid, sizeof(pgid));

		pglen = ceph_decode_32(p);



		/* remove any? */

		while (rbp && pgid_cmp(rb_entry(rbp, struct ceph_pg_mapping,

						node)->pgid, pgid) <= 0) {

			struct ceph_pg_mapping *cur =

				rb_entry(rbp, struct ceph_pg_mapping, node);



			rbp = rb_next(rbp);

			dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid);

			rb_erase(&cur->node, &map->pg_temp);

			kfree(cur);

		}



		if (pglen) {

			/* insert */

			ceph_decode_need(p, end, pglen*sizeof(u32), bad);
@@ -903,17 +907,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, 
			}

			dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid,

			     pglen);

		} else {

			/* remove */

			__remove_pg_mapping(&map->pg_temp, pgid);

		}

	}

	while (rbp) {

		struct ceph_pg_mapping *cur =

			rb_entry(rbp, struct ceph_pg_mapping, node);



		rbp = rb_next(rbp);

		dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid);

		rb_erase(&cur->node, &map->pg_temp);

		kfree(cur);

	}



	/* ignore the rest */

	*p = end;
@@ -1046,10 +1044,25 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, 
	struct ceph_pg_mapping *pg;

	struct ceph_pg_pool_info *pool;

	int ruleno;

	unsigned poolid, ps, pps;

	unsigned poolid, ps, pps, t;

	int preferred;



	poolid = le32_to_cpu(pgid.pool);

	ps = le16_to_cpu(pgid.ps);

	preferred = (s16)le16_to_cpu(pgid.preferred);



	pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);

	if (!pool)

		return NULL;



	/* pg_temp? */

	if (preferred >= 0)

		t = ceph_stable_mod(ps, le32_to_cpu(pool->v.lpg_num),

				    pool->lpgp_num_mask);

	else

		t = ceph_stable_mod(ps, le32_to_cpu(pool->v.pg_num),

				    pool->pgp_num_mask);

	pgid.ps = cpu_to_le16(t);

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

	if (pg) {

		*num = pg->len;
@@ -1057,18 +1070,6 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, 
	}



	/* crush */

	poolid = le32_to_cpu(pgid.pool);

	ps = le16_to_cpu(pgid.ps);

	preferred = (s16)le16_to_cpu(pgid.preferred);



	/* don't forcefeed bad device ids to crush */

	if (preferred >= osdmap->max_osd ||

	    preferred >= osdmap->crush->max_devices)

		preferred = -1;



	pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);

	if (!pool)

		return NULL;

	ruleno = crush_find_rule(osdmap->crush, pool->v.crush_ruleset,

				 pool->v.type, pool->v.size);

	if (ruleno < 0) {
@@ -1078,6 +1079,11 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, 
		return NULL;

	}



	/* don't forcefeed bad device ids to crush */

	if (preferred >= osdmap->max_osd ||

	    preferred >= osdmap->crush->max_devices)

		preferred = -1;



	if (preferred >= 0)

		pps = ceph_stable_mod(ps,

				      le32_to_cpu(pool->v.lpgp_num),