MFC r280126: Pre-allocate one extra request per processing thread.

Processing threads call callbacks before freeing requests. As result, new requests may arrive before old ones are freed.
2015-03-27 08:57:38 +00:00 · 2015-03-27 08:57:38 +00:00 · ea196f5fc6
commit ea196f5fc6
parent 4b55b30394
1 changed files with 1 additions and 1 deletions
--- a/usr.sbin/bhyve/block_if.c
+++ b/usr.sbin/bhyve/block_if.c
@ -54,8 +54,8 @@ __FBSDID("$FreeBSD$");

 #define BLOCKIF_SIG	0xb109b109

-#define BLOCKIF_MAXREQ	64
 #define BLOCKIF_NUMTHR	8
+#define BLOCKIF_MAXREQ	(64 + BLOCKIF_NUMTHR)

 enum blockop {
 	BOP_READ,