From e8ed933099e4bde79addfc530a5eb0c4ae5669f1 Mon Sep 17 00:00:00 2001
From: David Schultz <das@FreeBSD.org>
Date: Sun, 20 Feb 2005 23:02:20 +0000
Subject: [PATCH] Remove VFS_START().  Its original purpose involved the mfs
 filesystem, which is long gone.

Discussed with:	mckusick
Reviewed by:	phk
---
 sys/kern/vfs_default.c | 10 ----------
 sys/kern/vfs_init.c    |  3 ---
 sys/kern/vfs_mount.c   |  5 +----
 sys/sys/mount.h        |  4 ----
 4 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c
index cf77405a304..d3221e31b46 100644
--- a/sys/kern/vfs_default.c
+++ b/sys/kern/vfs_default.c
@@ -534,16 +534,6 @@ vfs_stdvptofh (vp, fhp)
 	return (EOPNOTSUPP);
 }
 
-int
-vfs_stdstart (mp, flags, td)
-	struct mount *mp;
-	int flags;
-	struct thread *td;
-{
-
-	return (0);
-}
-
 int
 vfs_stdquotactl (mp, cmds, uid, arg, td)
 	struct mount *mp;
diff --git a/sys/kern/vfs_init.c b/sys/kern/vfs_init.c
index 77b37d92db2..b890ffe1ba8 100644
--- a/sys/kern/vfs_init.c
+++ b/sys/kern/vfs_init.c
@@ -197,9 +197,6 @@ vfs_register(struct vfsconf *vfc)
 	KASSERT(vfsops->vfs_unmount != NULL,
 	    ("Filesystem %s has no unmount op", vfc->vfc_name));
 
-	if (vfsops->vfs_start == NULL)
-		/* make a file system operational */ 
-		vfsops->vfs_start =	vfs_stdstart;
 	if (vfsops->vfs_root == NULL)
 		/* return file system's root vnode */
 		vfsops->vfs_root =	vfs_stdroot;
diff --git a/sys/kern/vfs_mount.c b/sys/kern/vfs_mount.c
index 0d4f1018157..94e2715d63f 100644
--- a/sys/kern/vfs_mount.c
+++ b/sys/kern/vfs_mount.c
@@ -792,7 +792,7 @@ vfs_domount(
 		if ((mp->mnt_flag & MNT_RDONLY) == 0)
 			error = vfs_allocate_syncvnode(mp);
 		vfs_unbusy(mp, td);
-		if (error || (error = VFS_START(mp, 0, td)) != 0)
+		if (error)
 			vrele(vp);
 	} else {
 		VI_LOCK(vp);
@@ -1054,8 +1054,6 @@ devfs_first(void)
 	if (error)
 		return (NULL);
 
-	VFS_START(mp, 0, td);
-
 	mtx_lock(&mountlist_mtx);
 	TAILQ_INSERT_HEAD(&mountlist, mp, mnt_list);
 	mtx_unlock(&mountlist_mtx);
@@ -1263,7 +1261,6 @@ vfs_mountroot_try(const char *mountfrom)
 		/* sanity check system clock against root fs timestamp */
 		inittodr(mp->mnt_time);
 		vfs_unbusy(mp, curthread);
-		error = VFS_START(mp, 0, curthread);
 
 		devfs_fixup(curthread);
 	}
diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index 481092b516b..527ed443fad 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -464,7 +464,6 @@ struct sysctl_req;
 struct mntarg;
 
 typedef int vfs_cmount_t(struct mntarg *ma, void *data, int flags, struct thread *td);
-typedef int vfs_start_t(struct mount *mp, int flags, struct thread *td);
 typedef int vfs_unmount_t(struct mount *mp, int mntflags, struct thread *td);
 typedef int vfs_root_t(struct mount *mp, struct vnode **vpp, struct thread *td);
 typedef	int vfs_quotactl_t(struct mount *mp, int cmds, uid_t uid,
@@ -490,7 +489,6 @@ typedef int vfs_sysctl_t(struct mount *mp, fsctlop_t op,
 struct vfsops {
 	vfs_mount_t		*vfs_mount;
 	vfs_cmount_t		*vfs_cmount;
-	vfs_start_t		*vfs_start;
 	vfs_unmount_t		*vfs_unmount;
 	vfs_root_t		*vfs_root;
 	vfs_quotactl_t		*vfs_quotactl;
@@ -509,7 +507,6 @@ struct vfsops {
 vfs_statfs_t	__vfs_statfs;
 
 #define VFS_MOUNT(MP, P)    (*(MP)->mnt_op->vfs_mount)(MP, P)
-#define VFS_START(MP, FLAGS, P)	  (*(MP)->mnt_op->vfs_start)(MP, FLAGS, P)
 #define VFS_UNMOUNT(MP, FORCE, P) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE, P)
 #define VFS_ROOT(MP, VPP, P)	  (*(MP)->mnt_op->vfs_root)(MP, VPP, P)
 #define VFS_QUOTACTL(MP,C,U,A,P)  (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A, P)
@@ -622,7 +619,6 @@ extern	struct nfs_public nfs_pub;
  * kern/vfs_default.c, they should be used instead of making "dummy"
  * functions or casting entries in the VFS op table to "enopnotsupp()".
  */
-vfs_start_t		vfs_stdstart;
 vfs_root_t		vfs_stdroot;
 vfs_quotactl_t		vfs_stdquotactl;
 vfs_statfs_t		vfs_stdstatfs;