diff options
Diffstat (limited to 'sys/dev/md/md.c')
| -rw-r--r-- | sys/dev/md/md.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c index 3b6cc6b..06a813f 100644 --- a/sys/dev/md/md.c +++ b/sys/dev/md/md.c @@ -693,6 +693,8 @@ md_kthread(void *arg) mtx_lock_spin(&sched_lock); sched_prio(curthread, PRIBIO); mtx_unlock_spin(&sched_lock); + if (sc->type == MD_VNODE) + curthread->td_pflags |= TDP_NORUNNINGBUF; for (;;) { mtx_lock(&sc->queue_mtx); @@ -923,6 +925,7 @@ mdcreate_vnode(struct md_s *sc, struct md_ioctl *mdio, struct thread *td) VFS_UNLOCK_GIANT(vfslocked); return (error ? error : EINVAL); } + nd.ni_vp->v_vflag |= VV_MD; VOP_UNLOCK(nd.ni_vp, 0, td); if (mdio->md_fwsectors != 0) @@ -936,6 +939,9 @@ mdcreate_vnode(struct md_s *sc, struct md_ioctl *mdio, struct thread *td) error = mdsetcred(sc, td->td_ucred); if (error != 0) { + vn_lock(nd.ni_vp, LK_EXCLUSIVE | LK_RETRY, td); + nd.ni_vp->v_vflag &= ~VV_MD; + VOP_UNLOCK(nd.ni_vp, 0, td); (void)vn_close(nd.ni_vp, flags, td->td_ucred, td); VFS_UNLOCK_GIANT(vfslocked); return (error); @@ -966,6 +972,9 @@ mddestroy(struct md_s *sc, struct thread *td) mtx_destroy(&sc->queue_mtx); if (sc->vnode != NULL) { vfslocked = VFS_LOCK_GIANT(sc->vnode->v_mount); + vn_lock(sc->vnode, LK_EXCLUSIVE | LK_RETRY, td); + sc->vnode->v_vflag &= ~VV_MD; + VOP_UNLOCK(sc->vnode, 0, td); (void)vn_close(sc->vnode, sc->flags & MD_READONLY ? FREAD : (FREAD|FWRITE), sc->cred, td); VFS_UNLOCK_GIANT(vfslocked); |
