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Diffstat (limited to 'fs/cachefiles/cache.c')
-rw-r--r--fs/cachefiles/cache.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/fs/cachefiles/cache.c b/fs/cachefiles/cache.c
index 0462e7af87fb..c4b9280ca0cd 100644
--- a/fs/cachefiles/cache.c
+++ b/fs/cachefiles/cache.c
@@ -263,6 +263,32 @@ begin_cull:
 }
 
 /*
+ * Withdraw volumes.
+ */
+static void cachefiles_withdraw_volumes(struct cachefiles_cache *cache)
+{
+	_enter("");
+
+	for (;;) {
+		struct cachefiles_volume *volume = NULL;
+
+		spin_lock(&cache->object_list_lock);
+		if (!list_empty(&cache->volumes)) {
+			volume = list_first_entry(&cache->volumes,
+						  struct cachefiles_volume, cache_link);
+			list_del_init(&volume->cache_link);
+		}
+		spin_unlock(&cache->object_list_lock);
+		if (!volume)
+			break;
+
+		cachefiles_withdraw_volume(volume);
+	}
+
+	_leave("");
+}
+
+/*
  * Sync a cache to backing disk.
  */
 static void cachefiles_sync_cache(struct cachefiles_cache *cache)
@@ -303,7 +329,7 @@ void cachefiles_withdraw_cache(struct cachefiles_cache *cache)
 	// PLACEHOLDER: Withdraw objects
 	fscache_wait_for_objects(fscache);
 
-	// PLACEHOLDER: Withdraw volume
+	cachefiles_withdraw_volumes(cache);
 	cachefiles_sync_cache(cache);
 	cache->cache = NULL;
 	fscache_relinquish_cache(fscache);