diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2002-05-13 14:16:43 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2002-05-13 14:16:43 +0000 |
| commit | b1018160c2889f54d5fce2fe5c002083a7e4b306 (patch) | |
| tree | c69e0ac828c7ed3991986affb8a32a53ac87c95a /sys/ufs/mfs | |
| parent | de7cd2700ed72ead7af9d7335a5dd53e1e18ed6a (diff) | |
Protect calls to biodone with splbio.
I'm not completly sure it's needed, but better safe than sorry. And this
simplifies some spl assertions in the still not comitted splassert code.
Diffstat (limited to 'sys/ufs/mfs')
| -rw-r--r-- | sys/ufs/mfs/mfs_vnops.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sys/ufs/mfs/mfs_vnops.c b/sys/ufs/mfs/mfs_vnops.c index 701322d9238..df3380cbce1 100644 --- a/sys/ufs/mfs/mfs_vnops.c +++ b/sys/ufs/mfs/mfs_vnops.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mfs_vnops.c,v 1.21 2002/03/14 01:27:15 millert Exp $ */ +/* $OpenBSD: mfs_vnops.c,v 1.22 2002/05/13 14:16:42 art Exp $ */ /* $NetBSD: mfs_vnops.c,v 1.8 1996/03/17 02:16:32 christos Exp $ */ /* @@ -157,10 +157,11 @@ mfs_strategy(v) struct vop_strategy_args /* { struct buf *a_bp; } */ *ap = v; - register struct buf *bp = ap->a_bp; - register struct mfsnode *mfsp; + struct buf *bp = ap->a_bp; + struct mfsnode *mfsp; struct vnode *vp; struct proc *p = curproc; /* XXX */ + int s; if (!vfinddev(bp->b_dev, VBLK, &vp) || vp->v_usecount == 0) panic("mfs_strategy: bad dev"); @@ -175,7 +176,9 @@ mfs_strategy(v) bcopy(base, bp->b_data, bp->b_bcount); else bcopy(bp->b_data, base, bp->b_bcount); + s = splbio(); biodone(bp); + splx(s); } else if (p != NULL && mfsp->mfs_pid == p->p_pid) { mfs_doio(bp, mfsp->mfs_baseoff); } else { @@ -193,9 +196,10 @@ mfs_strategy(v) */ void mfs_doio(bp, base) - register struct buf *bp; + struct buf *bp; caddr_t base; { + int s; base += (bp->b_blkno << DEV_BSHIFT); if (bp->b_flags & B_READ) @@ -206,7 +210,9 @@ mfs_doio(bp, base) bp->b_flags |= B_ERROR; else bp->b_resid = 0; + s = splbio(); biodone(bp); + splx(s); } /* |