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ceph: precede encoded ceph_pg_pool struct with version

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Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-01-25 16:03:02 -08:00
parent 0d59ab81c3
commit 361be8601d
2 changed files with 8 additions and 2 deletions
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2
fs/ceph/ceph_fs.h
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@ -38,7 +38,7 @@
#define CEPH_OSD_PROTOCOL 8 /* cluster internal */
#define CEPH_MDS_PROTOCOL 9 /* cluster internal */
#define CEPH_MON_PROTOCOL 5 /* cluster internal */
#define CEPH_OSDC_PROTOCOL 22 /* server/client */
#define CEPH_OSDC_PROTOCOL 23 /* server/client */
#define CEPH_MDSC_PROTOCOL 32 /* server/client */
#define CEPH_MONC_PROTOCOL 15 /* server/client */

8
fs/ceph/osdmap.c
View file

@ -414,6 +414,7 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
struct ceph_osdmap *map;
u16 version;
u32 len, max, i;
u8 ev;
int err = -EINVAL;
void *start = *p;
@ -441,10 +442,11 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
}
ceph_decode_32_safe(p, end, max, bad);
while (max--) {
ceph_decode_need(p, end, 4+sizeof(map->pg_pool->v), bad);
ceph_decode_need(p, end, 4+1+sizeof(map->pg_pool->v), bad);
i = ceph_decode_32(p);
if (i >= map->num_pools)
goto bad;
ev = ceph_decode_8(p); /* encoding version */
ceph_decode_copy(p, &map->pg_pool[i].v,
sizeof(map->pg_pool->v));
calc_pg_masks(&map->pg_pool[i]);
@ -603,6 +605,8 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
/* new_pool */
ceph_decode_32_safe(p, end, len, bad);
while (len--) {
__u8 ev;
ceph_decode_32_safe(p, end, pool, bad);
if (pool >= map->num_pools) {
void *pg_pool = kcalloc(pool + 1,
@ -618,6 +622,8 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
map->pg_pool = pg_pool;
map->num_pools = pool+1;
}
ceph_decode_need(p, end, 1 + sizeof(map->pg_pool->v), bad);
ev = ceph_decode_8(p); /* encoding version */
ceph_decode_copy(p, &map->pg_pool[pool].v,
sizeof(map->pg_pool->v));
calc_pg_masks(&map->pg_pool[pool]);