| VFS_MOUNT.9 (88509) | VFS_MOUNT.9 (107788) |
|---|---|
| 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" --- 12 unchanged lines hidden (view full) --- 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" | 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" --- 12 unchanged lines hidden (view full) --- 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" |
| 29.\" $FreeBSD: head/share/man/man9/VFS_MOUNT.9 88509 2001-12-26 23:14:04Z davidc $ | 29.\" $FreeBSD: head/share/man/man9/VFS_MOUNT.9 107788 2002-12-12 17:26:04Z ru $ |
| 30.\" 31.Dd July 24, 1996 32.Os 33.Dt VFS_MOUNT 9 34.Sh NAME 35.Nm VFS_MOUNT | 30.\" 31.Dd July 24, 1996 32.Os 33.Dt VFS_MOUNT 9 34.Sh NAME 35.Nm VFS_MOUNT |
| 36.Nd mount a filesystem | 36.Nd mount a file system |
| 37.Sh SYNOPSIS 38.In sys/param.h 39.In sys/mount.h 40.In sys/vnode.h 41.Ft int 42.Fn VFS_MOUNT "struct mount *mp" "char *path" "caddr_t data" "struct nameidata *ndp" "struct thread *td" 43.Sh DESCRIPTION | 37.Sh SYNOPSIS 38.In sys/param.h 39.In sys/mount.h 40.In sys/vnode.h 41.Ft int 42.Fn VFS_MOUNT "struct mount *mp" "char *path" "caddr_t data" "struct nameidata *ndp" "struct thread *td" 43.Sh DESCRIPTION |
| 44Mount a filesystem into the system's namespace. | 44Mount a file system into the system's namespace. |
| 45.Pp 46Its arguments are: 47.Bl -tag -width data 48.It Ar mp | 45.Pp 46Its arguments are: 47.Bl -tag -width data 48.It Ar mp |
| 49Structure representing the filesystem. | 49Structure representing the file system. |
| 50.It Ar path | 50.It Ar path |
| 51Pathname where the filesystem is being mounted. | 51Pathname where the file system is being mounted. |
| 52.It Ar data | 52.It Ar data |
| 53Filesystem specific data. This should be read into the kernel using | 53File system specific data. This should be read into the kernel using |
| 54.Xr copyin 9 . 55.It Ar ndp 56Contains the result of a 57.Xr namei 9 58call on the pathname of the mountpoint. 59.It Ar td | 54.Xr copyin 9 . 55.It Ar ndp 56Contains the result of a 57.Xr namei 9 58call on the pathname of the mountpoint. 59.It Ar td |
| 60Thread which is mounting the filesystem. | 60Thread which is mounting the file system. |
| 61.El 62.Pp | 61.El 62.Pp |
| 63This is called both to mount new filesystems and to change the 64attributes of an existing filesystem. If the | 63This is called both to mount new file systems and to change the 64attributes of an existing file system. If the |
| 65.Dv MNT_UPDATE 66flag is set in 67.Fa mp->mnt_flag | 65.Dv MNT_UPDATE 66flag is set in 67.Fa mp->mnt_flag |
| 68then the filesystem should update its internal state from the value of | 68then the file system should update its internal state from the value of |
| 69.Fa mp->mnt_flag . | 69.Fa mp->mnt_flag . |
| 70This can be used, for instance, to convert a read-only filesystem to | 70This can be used, for instance, to convert a read-only file system to |
| 71read-write. 72It is also used by 73.Xr mountd 8 | 71read-write. 72It is also used by 73.Xr mountd 8 |
| 74to update the NFS export information for the filesystem. | 74to update the NFS export information for the file system. |
| 75.Pp 76If the 77.Dv MNT_UPDATE | 75.Pp 76If the 77.Dv MNT_UPDATE |
| 78flag is not specified, then this is a newly mounted filesystem. The 79filesystem code should allocate and initialize | 78flag is not specified, then this is a newly mounted file system. The 79file system code should allocate and initialize |
| 80any private data needed to represent | 80any private data needed to represent |
| 81the filesystem (it can use the | 81the file system (it can use the |
| 82.Fa mp->mnt_data 83field to store this information). 84.Sh SEE ALSO 85.Xr VFS 9 , 86.Xr vnode 9 87.Sh AUTHORS 88This man page was written by 89.An Doug Rabson . | 82.Fa mp->mnt_data 83field to store this information). 84.Sh SEE ALSO 85.Xr VFS 9 , 86.Xr vnode 9 87.Sh AUTHORS 88This man page was written by 89.An Doug Rabson . |