diff options
Diffstat (limited to 'sys/kern/vfs_cluster.c')
| -rw-r--r-- | sys/kern/vfs_cluster.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/kern/vfs_cluster.c b/sys/kern/vfs_cluster.c index 19ee05f..663b66f 100644 --- a/sys/kern/vfs_cluster.c +++ b/sys/kern/vfs_cluster.c @@ -944,11 +944,17 @@ cluster_wbuild(vp, size, start_lbn, len) } bp->b_bcount += size; bp->b_bufsize += size; - bundirty(tbp); - tbp->b_flags &= ~B_DONE; - tbp->b_ioflags &= ~BIO_ERROR; + /* + * If any of the clustered buffers have their + * B_BARRIER flag set, transfer that request to + * the cluster. + */ + bp->b_flags |= (tbp->b_flags & B_BARRIER); + tbp->b_flags &= ~(B_DONE | B_BARRIER); tbp->b_flags |= B_ASYNC; + tbp->b_ioflags &= ~BIO_ERROR; tbp->b_iocmd = BIO_WRITE; + bundirty(tbp); reassignbuf(tbp); /* put on clean list */ bufobj_wref(tbp->b_bufobj); BUF_KERNPROC(tbp); |
