svn commit: r223602 - stable/8/sys/geom/gate

[Mikolaj Golub]

Author: trociny
Date: Mon Jun 27 18:56:43 2011
New Revision: 223602
URL: http://svn.freebsd.org/changeset/base/223602

Log:
  MFC r222225 (pjd):
  
  Recognize BIO_FLUSH requests and pass them to userland.
  
  Approved by:	pjd (mentor)

Modified:
  stable/8/sys/geom/gate/g_gate.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/geom/gate/g_gate.c
==============================================================================
--- stable/8/sys/geom/gate/g_gate.c	Mon Jun 27 18:19:54 2011	(r223601)
+++ stable/8/sys/geom/gate/g_gate.c	Mon Jun 27 18:56:43 2011	(r223602)
@@ -178,6 +178,7 @@ g_gate_start(struct bio *bp)
 		break;
 	case BIO_DELETE:
 	case BIO_WRITE:
+	case BIO_FLUSH:
 		/* XXX: Hack to allow read-only mounts. */
 		if ((sc->sc_flags & G_GATE_FLAG_READONLY) != 0) {
 			g_io_deliver(bp, EPERM);
@@ -578,6 +579,7 @@ g_gate_ioctl(struct cdev *dev, u_long cm
 		switch (bp->bio_cmd) {
 		case BIO_READ:
 		case BIO_DELETE:
+		case BIO_FLUSH:
 			break;
 		case BIO_WRITE:
 			error = copyout(bp->bio_data, ggio->gctl_data,
@@ -641,6 +643,7 @@ start_end:
 					break;
 				case BIO_DELETE:
 				case BIO_WRITE:
+				case BIO_FLUSH:
 					break;
 				}
 			}