diff options
| -rw-r--r-- | sys/ufs/ffs/ffs_softdep.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/ufs/ffs/ffs_softdep.c b/sys/ufs/ffs/ffs_softdep.c index 088b4fe..d60fe11 100644 --- a/sys/ufs/ffs/ffs_softdep.c +++ b/sys/ufs/ffs/ffs_softdep.c @@ -5901,6 +5901,19 @@ getdirtybuf(bp, mtx, waitfor) return (NULL); } if ((bp->b_vflags & BV_BKGRDINPROG) != 0) { + if (mtx == &lk && waitfor == MNT_WAIT) { + mtx_unlock(mtx); + BO_LOCK(bp->b_bufobj); + BUF_UNLOCK(bp); + if ((bp->b_vflags & BV_BKGRDINPROG) != 0) { + bp->b_vflags |= BV_BKGRDWAIT; + msleep(&bp->b_xflags, BO_MTX(bp->b_bufobj), + PRIBIO | PDROP, "getbuf", 0); + } else + BO_UNLOCK(bp->b_bufobj); + mtx_lock(mtx); + return (NULL); + } BUF_UNLOCK(bp); if (waitfor != MNT_WAIT) return (NULL); |
