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| author |   csapuntz <csapuntz@openbsd.org> | 1997-12-02 16:55:51 +0000 |
|---|---|---|
| committer | csapuntz <csapuntz@openbsd.org> | 1997-12-02 16:55:51 +0000 |
| commit | f1e090238c13156309405257999794dfcd4ad395 (patch) | |
| tree | d1493769213236166bbe6b38469b7c1e9aafbad0 | |
| parent | sync (diff) | |
| download | wireguard-openbsd-f1e090238c13156309405257999794dfcd4ad395.tar.xz wireguard-openbsd-f1e090238c13156309405257999794dfcd4ad395.zip | |
Protect some more vnode operation with splbio. Needed for correct interaction
with soft updates code.
| -rw-r--r-- | sys/vm/swap_pager.c | 4 | ||||
| -rw-r--r-- | sys/vm/vm_swap.c | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c index d15302ad1e3..65ad9d9a921 100644 --- a/sys/vm/swap_pager.c +++ b/sys/vm/swap_pager.c @@ -1,4 +1,4 @@ -/* $OpenBSD: swap_pager.c,v 1.11 1997/07/25 06:03:04 mickey Exp $ */ +/* $OpenBSD: swap_pager.c,v 1.12 1997/12/02 16:55:51 csapuntz Exp $ */ /* $NetBSD: swap_pager.c,v 1.27 1996/03/16 23:15:20 christos Exp $ */ /* @@ -722,9 +722,9 @@ swap_pager_io(swp, mlist, npages, flags) if ((bp->b_flags & B_READ) == 0) { bp->b_dirtyoff = 0; bp->b_dirtyend = npages * PAGE_SIZE; - swapdev_vp->v_numoutput++; s = splbio(); swp->sw_poip++; + swapdev_vp->v_numoutput++; splx(s); mask = (~(~0 << npages)) << atop(off); #ifdef DEBUG diff --git a/sys/vm/vm_swap.c b/sys/vm/vm_swap.c index eb2d6223778..4a8f1026b73 100644 --- a/sys/vm/vm_swap.c +++ b/sys/vm/vm_swap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_swap.c,v 1.7 1997/11/13 18:35:40 deraadt Exp $ */ +/* $OpenBSD: vm_swap.c,v 1.8 1997/12/02 16:55:52 csapuntz Exp $ */ /* $NetBSD: vm_swap.c,v 1.32 1996/02/05 01:54:09 christos Exp $ */ /* @@ -171,7 +171,7 @@ void swstrategy(bp) register struct buf *bp; { - int sz, off, seg, index; + int s, sz, off, seg, index; register struct swdevt *sp; struct vnode *vp; @@ -244,6 +244,7 @@ swstrategy(bp) if ((bp->b_dev = sp->sw_dev) == NODEV && sp->sw_vp->v_type != VREG) panic("swstrategy"); VHOLD(sp->sw_vp); + s = splbio(); if ((bp->b_flags & B_READ) == 0) { if ((vp = bp->b_vp) != NULL) { vp->v_numoutput--; @@ -256,6 +257,7 @@ swstrategy(bp) } if (bp->b_vp != NULL) brelvp(bp); + splx(s); bp->b_vp = sp->sw_vp; VOP_STRATEGY(bp); } |