From 0cb01ac4efbe6bb5e86d45975514931ea0d7b400 Mon Sep 17 00:00:00 2001
From: kmacy <kmacy@FreeBSD.org>
Date: Sun, 12 Apr 2009 05:19:35 +0000
Subject: sendfile doesn't modify the vnode - acquire vnode lock shared

Reviewed by:	ups, jeffr
---
 sys/kern/uipc_syscalls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c
index 2233e65..662b3abd 100644
--- a/sys/kern/uipc_syscalls.c
+++ b/sys/kern/uipc_syscalls.c
@@ -1811,7 +1811,7 @@ kern_sendfile(struct thread *td, struct sendfile_args *uap,
 	if ((error = fgetvp_read(td, uap->fd, &vp)) != 0)
 		goto out;
 	vfslocked = VFS_LOCK_GIANT(vp->v_mount);
-	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
+	vn_lock(vp, LK_SHARED | LK_RETRY);
 	if (vp->v_type == VREG) {
 		obj = vp->v_object;
 		if (obj != NULL) {
-- 
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