diff options
| -rw-r--r-- | sys/kern/vfs_bio.c | 6 | ||||
| -rw-r--r-- | sys/kern/vfs_subr.c | 6 |
2 files changed, 9 insertions, 3 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index b380578..19ec6dd 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -1205,6 +1205,12 @@ bufwrite(struct buf *bp) int vp_md; CTR3(KTR_BUF, "bufwrite(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags); + if ((bp->b_bufobj->bo_flag & BO_DEAD) != 0) { + bp->b_flags |= B_INVAL | B_RELBUF; + bp->b_flags &= ~B_CACHE; + brelse(bp); + return (ENXIO); + } if (bp->b_flags & B_INVAL) { brelse(bp); return (0); diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 30aea62..a6093bd 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -1584,7 +1584,8 @@ buf_vlist_add(struct buf *bp, struct bufobj *bo, b_xflags_t xflags) int error; ASSERT_BO_WLOCKED(bo); - KASSERT((bo->bo_flag & BO_DEAD) == 0, ("dead bo %p", bo)); + KASSERT((xflags & BX_VNDIRTY) == 0 || (bo->bo_flag & BO_DEAD) == 0, + ("dead bo %p", bo)); KASSERT((bp->b_xflags & (BX_VNDIRTY|BX_VNCLEAN)) == 0, ("buf_vlist_add: Buf %p has existing xflags %d", bp, bp->b_xflags)); bp->b_xflags |= xflags; @@ -2841,7 +2842,7 @@ vgonel(struct vnode *vp) while (vinvalbuf(vp, 0, 0, 0) != 0) ; } -#ifdef INVARIANTS + BO_LOCK(&vp->v_bufobj); KASSERT(TAILQ_EMPTY(&vp->v_bufobj.bo_dirty.bv_hd) && vp->v_bufobj.bo_dirty.bv_cnt == 0 && @@ -2850,7 +2851,6 @@ vgonel(struct vnode *vp) ("vp %p bufobj not invalidated", vp)); vp->v_bufobj.bo_flag |= BO_DEAD; BO_UNLOCK(&vp->v_bufobj); -#endif /* * Reclaim the vnode. |
