svn commit: r192317 - user/kmacy/releng_7_2_fcs/sys/kern

[Kip Macy]

Author: kmacy
Date: Mon May 18 17:42:25 2009
New Revision: 192317
URL: http://svn.freebsd.org/changeset/base/192317

Log:
  make lock shared on read for sendfile

Modified:
  user/kmacy/releng_7_2_fcs/sys/kern/uipc_syscalls.c

Modified: user/kmacy/releng_7_2_fcs/sys/kern/uipc_syscalls.c
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/kern/uipc_syscalls.c	Mon May 18 17:39:12 2009	(r192316)
+++ user/kmacy/releng_7_2_fcs/sys/kern/uipc_syscalls.c	Mon May 18 17:42:25 2009	(r192317)
@@ -1823,7 +1823,7 @@ 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, td);
+	vn_lock(vp, LK_SHARED | LK_RETRY, td);
 	if (vp->v_type == VREG) {
 		obj = vp->v_object;
 		if (obj != NULL) {