From 772a9659d91e9445e412c7bc5f436765fa2b028d Mon Sep 17 00:00:00 2001
From: Alexander Kabaev <kan@FreeBSD.org>
Date: Thu, 28 Aug 2003 15:48:15 +0000
Subject: [PATCH] Do not return with vnode interlock held.

Reviewed by:	rwatson
---
 sys/kern/vfs_bio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
index 296c9a68b9d8..77f47cba7257 100644
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -779,6 +779,7 @@ bwrite(struct buf * bp)
 	VI_LOCK(bp->b_vp);
 	if (bp->b_vflags & BV_BKGRDINPROG) {
 		if (bp->b_flags & B_ASYNC) {
+			VI_UNLOCK(bp->b_vp);
 			splx(s);
 			bdwrite(bp);
 			return (0);
@@ -1505,6 +1506,7 @@ bqrelse(struct buf * bp)
 			 * the buffer (most importantly: the wired pages
 			 * making up its backing store) *now*.
 			 */
+			VI_UNLOCK(bp->b_vp);
 			mtx_unlock(&bqlock);
 			splx(s);
 			brelse(bp);