From: Jens Axboe <axboe@suse.de>
Date: Wed, 18 Jan 2006 13:53:23 +0000 (+0100)
Subject: [PATCH] blktrace: remember to resize ringbuffer before each fill
X-Git-Tag: blktrace-0.99.1~126
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=1c99bc2122136be9d3f812fd7e590f71fec378a1;p=blktrace.git

[PATCH] blktrace: remember to resize ringbuffer before each fill
---

diff --git a/blktrace.c b/blktrace.c
index 97f2725..fa08071 100644
--- a/blktrace.c
+++ b/blktrace.c
@@ -370,12 +370,12 @@ static void refill_ringbuffer(struct thread_information *tip, int block)
 	int len = buf_size;
 	int ret;
 
-	if (len + tip->fd_size > tip->fd_max_size)
-		resize_ringbuffer(tip);
-
 	do {
+		if (len + tip->fd_size > tip->fd_max_size)
+			resize_ringbuffer(tip);
+
 		ret = __refill_ringbuffer(tip, len, block);
-	} while (ret == len && !is_done());
+	} while ((ret = len) && !is_done());
 }
 
 static int read_data(struct thread_information *tip, void *buf, int len)