diff options
Diffstat (limited to 'fs/afs/callback.c')
| -rw-r--r-- | fs/afs/callback.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/afs/callback.c b/fs/afs/callback.c index b4cb9bb63f0a..7d9b23d981bf 100644 --- a/fs/afs/callback.c +++ b/fs/afs/callback.c @@ -21,11 +21,17 @@ #include "internal.h" /* - * allow the fileserver to request callback state (re-)initialisation + * Allow the fileserver to request callback state (re-)initialisation. + * Unfortunately, UUIDs are not guaranteed unique. */ void afs_init_callback_state(struct afs_server *server) { - server->cb_s_break++; + rcu_read_lock(); + do { + server->cb_s_break++; + server = rcu_dereference(server->uuid_next); + } while (0); + rcu_read_unlock(); } /* |