diff options
| author | Sage Weil <sage@inktank.com> | 2012-05-21 20:45:23 +0400 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2012-05-22 07:40:42 +0400 |
| commit | 6bd9adbdf9ca6a052b0b7455ac67b925eb38cfad (patch) | |
| tree | 61d254846558e23906bbef993092cf372f641509 | |
| parent | 35f9f8a09e1e88e31bd34a1e645ca0e5f070dd5c (diff) | |
| download | linux-6bd9adbdf9ca6a052b0b7455ac67b925eb38cfad.tar.xz | |
libceph: fix pg_temp updates
Usually, we are adding pg_temp entries or removing them. Occasionally they
update. In that case, osdmap_apply_incremental() was failing because the
rbtree entry already exists.
Fix by removing the existing entry before inserting a new one.
Fixes http://tracker.newdream.net/issues/2446
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
| -rw-r--r-- | net/ceph/osdmap.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 2592f3cca987..1892c523c43c 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -883,8 +883,12 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, pglen = ceph_decode_32(p); if (pglen) { - /* insert */ ceph_decode_need(p, end, pglen*sizeof(u32), bad); + + /* removing existing (if any) */ + (void) __remove_pg_mapping(&map->pg_temp, pgid); + + /* insert */ pg = kmalloc(sizeof(*pg) + sizeof(u32)*pglen, GFP_NOFS); if (!pg) { err = -ENOMEM; |