From: Andre Noll <maan@systemlinux.org>
Date: Thu, 14 Jan 2010 22:58:00 +0000 (+0100)
Subject: [btr] Add a comment to btr_pool_available().
X-Git-Tag: v0.4.2~95
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=b21e8ef1df178fed144619bd3fba8cb67148454f;p=paraslash.git

[btr] Add a comment to btr_pool_available().
---

diff --git a/buffer_tree.c b/buffer_tree.c
index 5571b433..4160646d 100644
--- a/buffer_tree.c
+++ b/buffer_tree.c
@@ -100,6 +100,10 @@ size_t btr_pool_unused(struct btr_pool *btrp)
 	return btr_pool_size(btrp) - btr_pool_filled(btrp);
 }
 
+/*
+ * Return maximal size available for one read. This is
+ * smaller than the value returned by btr_pool_unused().
+ */
 size_t btr_pool_available(struct btr_pool *btrp)
 {
 	if (!btrp->whead)