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- All buffers should either be clean or dirty. If neither of these flags

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are set when we attempt to remove a buffer from a queue we should panic.
   Hopefully this will catch the source of the wrong bufobj panics.

Sponsored by:	Isilon Systems, Inc.
This commit is contained in:
jeff 2005-05-01 12:00:36 +00:00
parent 6db3b00e40
commit dd41538cd8
1 changed files with 4 additions and 0 deletions
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4
sys/kern/vfs_subr.c
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@ -1400,6 +1400,8 @@ brelvp(struct buf *bp)
BO_LOCK(bo);
if (bp->b_xflags & (BX_VNDIRTY | BX_VNCLEAN))
buf_vlist_remove(bp);
else
panic("brelvp: Buffer %p not on queue.", bp);
if ((bo->bo_flag & BO_ONWORKLST) && bo->bo_dirty.bv_cnt == 0) {
bo->bo_flag &= ~BO_ONWORKLST;
mtx_lock(&sync_mtx);
@ -1721,6 +1723,8 @@ reassignbuf(struct buf *bp)
VI_LOCK(vp);
if (bp->b_xflags & (BX_VNDIRTY | BX_VNCLEAN))
buf_vlist_remove(bp);
else
panic("reassignbuf: Buffer %p not on queue.", bp);
/*
* If dirty, put on list of dirty buffers; otherwise insert onto list
* of clean buffers.