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| author | Sage Weil <sage@newdream.net> | 2010-02-04 16:18:10 -0800 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-02-11 11:48:49 -0800 |
| commit | 02f90c61096ec3ad691e808a4aa7ca5a06e550ec (patch) | |
| tree | 5061c9797a1c27608cd9e06b4b759c621d1d4b61 /fs/ceph | |
| parent | f5a2041bd96c9f05ff10172b9c814c14f247084e (diff) | |
| download | kernel_samsung_smdk4412-02f90c61096ec3ad691e808a4aa7ca5a06e550ec.zip kernel_samsung_smdk4412-02f90c61096ec3ad691e808a4aa7ca5a06e550ec.tar.gz kernel_samsung_smdk4412-02f90c61096ec3ad691e808a4aa7ca5a06e550ec.tar.bz2 | |
ceph: add uid field to ceph_pg_pool
Also verify encoding version as we go.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/osdmap.c | 20 | ||||
| -rw-r--r-- | fs/ceph/rados.h | 8 |
2 files changed, 28 insertions, 0 deletions
diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c index a143c51..a6afe38 100644 --- a/fs/ceph/osdmap.c +++ b/fs/ceph/osdmap.c @@ -426,6 +426,11 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) map->pg_temp = RB_ROOT; ceph_decode_16_safe(p, end, version, bad); + if (version > CEPH_OSDMAP_VERSION) { + pr_warning("got unknown v %d > %d of osdmap\n", version, + CEPH_OSDMAP_VERSION); + goto bad; + } ceph_decode_need(p, end, 2*sizeof(u64)+6*sizeof(u32), bad); ceph_decode_copy(p, &map->fsid, sizeof(map->fsid)); @@ -447,6 +452,11 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) if (i >= map->num_pools) goto bad; ev = ceph_decode_8(p); /* encoding version */ + if (ev > CEPH_PG_POOL_VERSION) { + pr_warning("got unknown v %d > %d of ceph_pg_pool\n", + ev, CEPH_PG_POOL_VERSION); + goto bad; + } ceph_decode_copy(p, &map->pg_pool[i].v, sizeof(map->pg_pool->v)); calc_pg_masks(&map->pg_pool[i]); @@ -552,6 +562,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, struct rb_node *rbp; ceph_decode_16_safe(p, end, version, bad); + if (version > CEPH_OSDMAP_INC_VERSION) { + pr_warning("got unknown v %d > %d of inc osdmap\n", version, + CEPH_OSDMAP_INC_VERSION); + goto bad; + } ceph_decode_need(p, end, sizeof(fsid)+sizeof(modified)+2*sizeof(u32), bad); @@ -624,6 +639,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, } ceph_decode_need(p, end, 1 + sizeof(map->pg_pool->v), bad); ev = ceph_decode_8(p); /* encoding version */ + if (ev > CEPH_PG_POOL_VERSION) { + pr_warning("got unknown v %d > %d of ceph_pg_pool\n", + ev, CEPH_PG_POOL_VERSION); + goto bad; + } ceph_decode_copy(p, &map->pg_pool[pool].v, sizeof(map->pg_pool->v)); calc_pg_masks(&map->pg_pool[pool]); diff --git a/fs/ceph/rados.h b/fs/ceph/rados.h index 123fd84..1f4c786 100644 --- a/fs/ceph/rados.h +++ b/fs/ceph/rados.h @@ -9,6 +9,12 @@ #include "msgr.h" /* + * osdmap encoding versions + */ +#define CEPH_OSDMAP_INC_VERSION 3 +#define CEPH_OSDMAP_VERSION 3 + +/* * fs id */ struct ceph_fsid { @@ -80,6 +86,7 @@ struct ceph_pg { */ #define CEPH_PG_TYPE_REP 1 #define CEPH_PG_TYPE_RAID4 2 +#define CEPH_PG_POOL_VERSION 2 struct ceph_pg_pool { __u8 type; /* CEPH_PG_TYPE_* */ __u8 size; /* number of osds in each pg */ @@ -92,6 +99,7 @@ struct ceph_pg_pool { __le32 snap_epoch; /* epoch of last snap */ __le32 num_snaps; __le32 num_removed_snap_intervals; + __le64 uid; } __attribute__ ((packed)); /* |