FS-Cache: Add counters for entry/exit to/from cache operation functions

[pandora-kernel.git] / fs / fscache / cookie.c

diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 9b51873..432482e 100644 (file)
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -249,7 +249,9 @@ static int fscache_alloc_object(struct fscache_cache *cache,
 
        /* ask the cache to allocate an object (we may end up with duplicate
         * objects at this stage, but we sort that out later) */
+       fscache_stat(&fscache_n_cop_alloc_object);
        object = cache->ops->alloc_object(cache, cookie);
+       fscache_stat_d(&fscache_n_cop_alloc_object);
        if (IS_ERR(object)) {
                fscache_stat(&fscache_n_object_no_alloc);
                ret = PTR_ERR(object);
@@ -270,8 +272,11 @@ static int fscache_alloc_object(struct fscache_cache *cache,
        /* only attach if we managed to allocate all we needed, otherwise
         * discard the object we just allocated and instead use the one
         * attached to the cookie */
-       if (fscache_attach_object(cookie, object) < 0)
+       if (fscache_attach_object(cookie, object) < 0) {
+               fscache_stat(&fscache_n_cop_put_object);
                cache->ops->put_object(object);
+               fscache_stat_d(&fscache_n_cop_put_object);
+       }
 
        _leave(" = 0");
        return 0;
@@ -287,7 +292,9 @@ object_already_extant:
        return 0;
 
 error_put:
+       fscache_stat(&fscache_n_cop_put_object);
        cache->ops->put_object(object);
+       fscache_stat_d(&fscache_n_cop_put_object);
 error:
        _leave(" = %d", ret);
        return ret;