Author: kib
Date: Fri Aug 6 09:06:55 2010
New Revision: 210918
URL: http://svn.freebsd.org/changeset/base/210918
Log:
Initialize VV_ISTTY vnode flag on the devfs vnode creation instead of
doing it on each open.
In collaboration with: pho
MFC after: 1 month
Modified:
head/sys/fs/devfs/devfs_vnops.c
Modified: head/sys/fs/devfs/devfs_vnops.c
==============================================================================
--- head/sys/fs/devfs/devfs_vnops.c Fri Aug 6 08:59:54 2010
(r210917)
+++ head/sys/fs/devfs/devfs_vnops.c Fri Aug 6 09:06:55 2010
(r210918)
@@ -337,6 +337,7 @@ devfs_allocv(struct devfs_dirent *de, st
struct vnode *vp;
struct cdev *dev;
struct devfs_mount *dmp;
+ struct cdevsw *dsw;
dmp = VFSTODEVFS(mp);
if (de->de_flags & DE_DOOMED) {
@@ -393,6 +394,10 @@ devfs_allocv(struct devfs_dirent *de, st
KASSERT(vp->v_usecount == 1,
("%s %d (%d)\n", __func__, __LINE__, vp->v_usecount));
dev->si_usecount += vp->v_usecount;
+ /* Special casing of ttys for deadfs. Probably redundant. */
+ dsw = dev->si_devsw;
+ if (dsw != NULL && (dsw->d_flags & D_TTY) != 0)
+ vp->v_vflag |= VV_ISTTY;
dev_unlock();
VI_UNLOCK(vp);
vp->v_op = &devfs_specops;
@@ -972,10 +977,6 @@ devfs_open(struct vop_open_args *ap)
if (dsw == NULL)
return (ENXIO);
- /* XXX: Special casing of ttys for deadfs. Probably redundant. */
- if (dsw->d_flags & D_TTY)
- vp->v_vflag |= VV_ISTTY;
-
VOP_UNLOCK(vp, 0);
fpop = td->td_fpop;
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