Author: mav
Date: Sun Mar 15 22:44:53 2015
New Revision: 280126
URL: https://svnweb.freebsd.org/changeset/base/280126
Log:
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.
MFC after: 2 weeks
Modified:
head/usr.sbin/bhyve/block_if.c
Modified: head/usr.sbin/bhyve/block_if.c
==============================================================================
--- head/usr.sbin/bhyve/block_if.c Sun Mar 15 21:57:44 2015
(r280125)
+++ head/usr.sbin/bhyve/block_if.c Sun Mar 15 22:44:53 2015
(r280126)
@@ -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,
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