svn commit: r280748 - stable/10/usr.sbin/bhyve
Alexander Motin
mav at FreeBSD.org
Fri Mar 27 08:57:39 UTC 2015
Author: mav
Date: Fri Mar 27 08:57:38 2015
New Revision: 280748
URL: https://svnweb.freebsd.org/changeset/base/280748
Log:
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.
Modified:
stable/10/usr.sbin/bhyve/block_if.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/usr.sbin/bhyve/block_if.c
==============================================================================
--- stable/10/usr.sbin/bhyve/block_if.c Fri Mar 27 08:56:44 2015 (r280747)
+++ stable/10/usr.sbin/bhyve/block_if.c Fri Mar 27 08:57:38 2015 (r280748)
@@ -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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