---

yaml --- r: 15271 b: refs/heads/master c: fd30fc3 h: refs/heads/master i: 15269: 96ea305 15267: d4f3122 15263: a36770f v: v3
git-mirror · Dec 21, 2005 · 8302b8b · 8302b8b
1 parent 79c976c
commit 8302b8b
Show file tree

Hide file tree

Showing 3 changed files with 10 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bb44f116a14c4c932f15c79acfafd46bcb43ca9a
+refs/heads/master: fd30fc3256824f03c2ff9317269d66f72f7042ca
diff --git a/trunk/fs/relayfs/relay.c b/trunk/fs/relayfs/relay.c
@@ -333,8 +333,7 @@ size_t relay_switch_subbuf(struct rchan_buf *buf, size_t length)
 	return length;
 
 toobig:
-	printk(KERN_WARNING "relayfs: event too large (%Zd)\n", length);
-	WARN_ON(1);
+	buf->chan->last_toobig = length;
 	return 0;
 }
 
@@ -399,6 +398,11 @@ void relay_close(struct rchan *chan)
 		relay_close_buf(chan->buf[i]);
 	}
 
+	if (chan->last_toobig)
+		printk(KERN_WARNING "relayfs: one or more items not logged "
+		       "[item size (%Zd) > sub-buffer size (%Zd)]\n",
+		       chan->last_toobig, chan->subbuf_size);
+
 	kref_put(&chan->kref, relay_destroy_channel);
 }
 

diff --git a/trunk/include/linux/relayfs_fs.h b/trunk/include/linux/relayfs_fs.h
@@ -20,9 +20,9 @@
 #include <linux/kref.h>
 
 /*
- * Tracks changes to rchan_buf struct
+ * Tracks changes to rchan/rchan_buf structs
  */
-#define RELAYFS_CHANNEL_VERSION		5
+#define RELAYFS_CHANNEL_VERSION		6
 
 /*
  * Per-cpu relay channel buffer
@@ -60,6 +60,7 @@ struct rchan
 	struct rchan_callbacks *cb;	/* client callbacks */
 	struct kref kref;		/* channel refcount */
 	void *private_data;		/* for user-defined data */
+	size_t last_toobig;		/* tried to log event > subbuf size */
 	struct rchan_buf *buf[NR_CPUS]; /* per-cpu channel buffers */
 };