| null_vfsops.c (132023) | null_vfsops.c (132902) |
|---|---|
| 1/* 2 * Copyright (c) 1992, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software donated to Berkeley by 6 * Jan-Simon Pendry. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 18 unchanged lines hidden (view full) --- 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)null_vfsops.c 8.2 (Berkeley) 1/21/94 33 * 34 * @(#)lofs_vfsops.c 1.2 (Berkeley) 6/18/92 | 1/* 2 * Copyright (c) 1992, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software donated to Berkeley by 6 * Jan-Simon Pendry. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 18 unchanged lines hidden (view full) --- 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)null_vfsops.c 8.2 (Berkeley) 1/21/94 33 * 34 * @(#)lofs_vfsops.c 1.2 (Berkeley) 6/18/92 |
| 35 * $FreeBSD: head/sys/fs/nullfs/null_vfsops.c 132023 2004-07-12 08:14:09Z alfred $ | 35 * $FreeBSD: head/sys/fs/nullfs/null_vfsops.c 132902 2004-07-30 22:08:52Z phk $ |
| 36 */ 37 38/* 39 * Null Layer 40 * (See null_vnops.c for a description of what this does.) 41 */ 42 43#include <sys/param.h> --- 8 unchanged lines hidden (view full) --- 52#include <sys/vnode.h> 53 54#include <fs/nullfs/null.h> 55 56static MALLOC_DEFINE(M_NULLFSMNT, "NULLFS mount", "NULLFS mount structure"); 57 58static vfs_fhtovp_t nullfs_fhtovp; 59static vfs_checkexp_t nullfs_checkexp; | 36 */ 37 38/* 39 * Null Layer 40 * (See null_vnops.c for a description of what this does.) 41 */ 42 43#include <sys/param.h> --- 8 unchanged lines hidden (view full) --- 52#include <sys/vnode.h> 53 54#include <fs/nullfs/null.h> 55 56static MALLOC_DEFINE(M_NULLFSMNT, "NULLFS mount", "NULLFS mount structure"); 57 58static vfs_fhtovp_t nullfs_fhtovp; 59static vfs_checkexp_t nullfs_checkexp; |
| 60static vfs_nmount_t nullfs_mount; | 60static vfs_mount_t nullfs_mount; |
| 61static vfs_quotactl_t nullfs_quotactl; 62static vfs_root_t nullfs_root; 63static vfs_start_t nullfs_start; 64static vfs_sync_t nullfs_sync; 65static vfs_statfs_t nullfs_statfs; 66static vfs_unmount_t nullfs_unmount; 67static vfs_vget_t nullfs_vget; 68static vfs_vptofh_t nullfs_vptofh; 69static vfs_extattrctl_t nullfs_extattrctl; 70 71/* 72 * Mount null layer 73 */ 74static int | 61static vfs_quotactl_t nullfs_quotactl; 62static vfs_root_t nullfs_root; 63static vfs_start_t nullfs_start; 64static vfs_sync_t nullfs_sync; 65static vfs_statfs_t nullfs_statfs; 66static vfs_unmount_t nullfs_unmount; 67static vfs_vget_t nullfs_vget; 68static vfs_vptofh_t nullfs_vptofh; 69static vfs_extattrctl_t nullfs_extattrctl; 70 71/* 72 * Mount null layer 73 */ 74static int |
| 75nullfs_mount(mp, ndp, td) 76 struct mount *mp; 77 struct nameidata *ndp; 78 struct thread *td; | 75nullfs_mount(struct mount *mp, struct thread *td) |
| 79{ 80 int error = 0; 81 struct vnode *lowerrootvp, *vp; 82 struct vnode *nullm_rootvp; 83 struct null_mount *xmp; 84 char *target; 85 size_t size; 86 int isvnunlocked = 0, len; | 76{ 77 int error = 0; 78 struct vnode *lowerrootvp, *vp; 79 struct vnode *nullm_rootvp; 80 struct null_mount *xmp; 81 char *target; 82 size_t size; 83 int isvnunlocked = 0, len; |
| 84 struct nameidata nd, *ndp = &nd; |
|
| 87 88 NULLFSDEBUG("nullfs_mount(mp = %p)\n", (void *)mp); 89 90 /* 91 * Update is a no-op 92 */ 93 if (mp->mnt_flag & MNT_UPDATE) { 94 return (EOPNOTSUPP); --- 303 unchanged lines hidden (view full) --- 398} 399 400 401static struct vfsops null_vfsops = { 402 .vfs_checkexp = nullfs_checkexp, 403 .vfs_extattrctl = nullfs_extattrctl, 404 .vfs_fhtovp = nullfs_fhtovp, 405 .vfs_init = nullfs_init, | 85 86 NULLFSDEBUG("nullfs_mount(mp = %p)\n", (void *)mp); 87 88 /* 89 * Update is a no-op 90 */ 91 if (mp->mnt_flag & MNT_UPDATE) { 92 return (EOPNOTSUPP); --- 303 unchanged lines hidden (view full) --- 396} 397 398 399static struct vfsops null_vfsops = { 400 .vfs_checkexp = nullfs_checkexp, 401 .vfs_extattrctl = nullfs_extattrctl, 402 .vfs_fhtovp = nullfs_fhtovp, 403 .vfs_init = nullfs_init, |
| 406 .vfs_nmount = nullfs_mount, | 404 .vfs_mount = nullfs_mount, |
| 407 .vfs_quotactl = nullfs_quotactl, 408 .vfs_root = nullfs_root, 409 .vfs_start = nullfs_start, 410 .vfs_statfs = nullfs_statfs, 411 .vfs_sync = nullfs_sync, 412 .vfs_uninit = nullfs_uninit, 413 .vfs_unmount = nullfs_unmount, 414 .vfs_vget = nullfs_vget, 415 .vfs_vptofh = nullfs_vptofh, 416}; 417 418VFS_SET(null_vfsops, nullfs, VFCF_LOOPBACK); | 405 .vfs_quotactl = nullfs_quotactl, 406 .vfs_root = nullfs_root, 407 .vfs_start = nullfs_start, 408 .vfs_statfs = nullfs_statfs, 409 .vfs_sync = nullfs_sync, 410 .vfs_uninit = nullfs_uninit, 411 .vfs_unmount = nullfs_unmount, 412 .vfs_vget = nullfs_vget, 413 .vfs_vptofh = nullfs_vptofh, 414}; 415 416VFS_SET(null_vfsops, nullfs, VFCF_LOOPBACK); |