git: 77ddf3808b60 - stable/13 - geom_vfs: lock devvp in g_vfs_close()
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Date: Fri, 19 Nov 2021 04:36:42 UTC
The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=77ddf3808b60e1e1fb521e14462561055d00ba58 commit 77ddf3808b60e1e1fb521e14462561055d00ba58 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-11-01 05:46:52 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-11-19 04:25:28 +0000 geom_vfs: lock devvp in g_vfs_close() (cherry picked from commit 8db7d16526debbca6bc7a32a57fd0378e48e37de) --- sys/geom/geom_vfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/geom/geom_vfs.c b/sys/geom/geom_vfs.c index f01765b8ee30..b69610c4615e 100644 --- a/sys/geom/geom_vfs.c +++ b/sys/geom/geom_vfs.c @@ -286,12 +286,16 @@ g_vfs_close(struct g_consumer *cp) { struct g_geom *gp; struct g_vfs_softc *sc; + struct vnode *vp; g_topology_assert(); gp = cp->geom; sc = gp->softc; + vp = cp->private; + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); bufobj_invalbuf(sc->sc_bo, V_SAVE, 0, 0); + VOP_UNLOCK(vp); sc->sc_bo->bo_private = cp->private; gp->softc = NULL; mtx_destroy(&sc->sc_mtx);