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-rw-r--r--sys/kern/vfs_bio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
index cc5ee29a8eb2..65fcb33ed220 100644
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -972,7 +972,7 @@ bdwrite(struct buf * bp)
* requesting a sync -- there might not be enough memory to do
* the bmap then... So, this is important to do.
*/
- if (bp->b_lblkno == bp->b_blkno) {
+ if (bp->b_vp->v_type != VCHR && bp->b_lblkno == bp->b_blkno) {
VOP_BMAP(bp->b_vp, bp->b_lblkno, NULL, &bp->b_blkno, NULL, NULL);
}