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From: Kip Macy <kmacy@FreeBSD.org>
Date: Sat, 3 Jan 2009 01:11:26 +0000 (UTC)
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Subject: svn commit: r186709 - user/kmacy/HEAD_fast_net/sys/kern
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Author: kmacy
Date: Sat Jan  3 01:11:26 2009
New Revision: 186709
URL: http://svn.freebsd.org/changeset/base/186709

Log:
  sendfile doesn't modify the vnode - acquire vnode lock shared

Modified:
  user/kmacy/HEAD_fast_net/sys/kern/uipc_syscalls.c

Modified: user/kmacy/HEAD_fast_net/sys/kern/uipc_syscalls.c
==============================================================================
--- user/kmacy/HEAD_fast_net/sys/kern/uipc_syscalls.c	Sat Jan  3 00:27:28 2009	(r186708)
+++ user/kmacy/HEAD_fast_net/sys/kern/uipc_syscalls.c	Sat Jan  3 01:11:26 2009	(r186709)
@@ -1811,7 +1811,7 @@ kern_sendfile(struct thread *td, struct 
 	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) {