iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
* '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
This commit is contained in:
Linus Torvalds
2011-09-29 19:58:58 -07:00
parent 7409b7132c 8adc8b3d78
commit 92bb062fe3
4 changed files with 48 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
net/ceph/ceph_common.c
View File

@ -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);

1
net/ceph/messenger.c
View File

@ -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 */

4
net/ceph/osd_client.c
View File

@ -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);

84
net/ceph/osdmap.c
View File

@ -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),