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Pre-allocate one extra request per processing thread.

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Processing threads call callbacks before freeing requests.  As result,
new requests may arrive before old ones are freed.

MFC after:	2 weeks
This commit is contained in:
Alexander Motin 2015-03-15 22:44:53 +00:00
parent ad6fc754f3
commit e365f36c32
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=280126
1 changed files with 1 additions and 1 deletions
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2
usr.sbin/bhyve/block_if.c
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@ -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,