Author: kmacy
Date: Sun Apr 12 05:19:35 2009
New Revision: 190958
URL: http://svn.freebsd.org/changeset/base/190958
Log:
sendfile doesn't modify the vnode - acquire vnode lock shared
Reviewed by: ups, jeffr
Modified:
head/sys/kern/uipc_syscalls.c
Modified: head/sys/kern/uipc_syscalls.c
==============================================================================
--- head/sys/kern/uipc_syscalls.c Sun Apr 12 05:04:02 2009
(r190957)
+++ head/sys/kern/uipc_syscalls.c Sun Apr 12 05:19:35 2009
(r190958)
@@ -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) {
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