diff options
Diffstat (limited to 'sys/kern/vfs_cluster.c')
| -rw-r--r-- | sys/kern/vfs_cluster.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/kern/vfs_cluster.c b/sys/kern/vfs_cluster.c index 7f477bfd1b82..0022ac906eb4 100644 --- a/sys/kern/vfs_cluster.c +++ b/sys/kern/vfs_cluster.c @@ -33,7 +33,7 @@ * SUCH DAMAGE. * * @(#)vfs_cluster.c 8.7 (Berkeley) 2/13/94 - * $Id: vfs_cluster.c,v 1.55 1998/02/06 12:13:30 eivind Exp $ + * $Id: vfs_cluster.c,v 1.56 1998/03/07 21:35:28 dyson Exp $ */ #include "opt_debug_cluster.h" @@ -399,6 +399,9 @@ cluster_rbuild(vp, filesize, lbn, blkno, size, run, fbp) break; } } + /* check for latent dependencies to be handled */ + if ((LIST_FIRST(&tbp->b_dep)) != NULL && bioops.io_start) + (*bioops.io_start)(tbp); TAILQ_INSERT_TAIL(&bp->b_cluster.cluster_head, tbp, b_cluster.cluster_entry); for (j = 0; j < tbp->b_npages; j += 1) { @@ -684,7 +687,6 @@ cluster_wbuild(vp, size, start_lbn, len) (tbp->b_flags & (B_VMIO|B_NEEDCOMMIT)); bp->b_iodone = cluster_callback; pbgetvp(vp, bp); - for (i = 0; i < len; ++i, ++start_lbn) { if (i != 0) { s = splbio(); @@ -714,7 +716,10 @@ cluster_wbuild(vp, size, start_lbn, len) tbp->b_flags &= ~B_DONE; splx(s); } - + /* check for latent dependencies to be handled */ + if ((LIST_FIRST(&tbp->b_dep)) != NULL && + bioops.io_start) + (*bioops.io_start)(tbp); if (tbp->b_flags & B_VMIO) { vm_page_t m; |