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Diffstat (limited to 'sys/fs/unionfs/union_vnops.c')
-rw-r--r--sys/fs/unionfs/union_vnops.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/fs/unionfs/union_vnops.c b/sys/fs/unionfs/union_vnops.c
index 03d41a0..38c190b 100644
--- a/sys/fs/unionfs/union_vnops.c
+++ b/sys/fs/unionfs/union_vnops.c
@@ -1923,7 +1923,7 @@ union_strategy(ap)
#ifdef DIAGNOSTIC
if (othervp == NULLVP)
panic("union_strategy: nil vp");
- if (((bp->b_flags & B_READ) == 0) &&
+ if ((bp->b_iocmd == BIO_WRITE) &&
(othervp == LOWERVP(bp->b_vp)))
panic("union_strategy: writing to lowervp");
#endif
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