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Man Pages


Manual Reference Pages  -  VFS_MOUNT (9)

NAME

VFS_MOUNT - mount a file system

CONTENTS

Synopsis
Description
See Also
Authors

SYNOPSIS


.In sys/param.h
.In sys/mount.h
.In sys/vnode.h int VFS_MOUNT struct mount *mp

DESCRIPTION

The VFS_MOUNT macro mounts a file system into the system’s namespace or updates the attributes of an already mounted file system.

The arguments it expects are:
mp Structure representing the file system.

The VFS_MOUNT macro is called both to mount new file systems and to change the attributes of an existing file system. If the MNT_UPDATE flag is set in mp->mnt_flag then the file system should update its internal state from the value of mp->mnt_flag. This can be used, for instance, to convert a read-only file system to read-write. It is also used by mountd(8) to update the NFS export information for the file system.

If the MNT_UPDATE flag is not specified, then this is a newly mounted file system. The file system code should allocate and initialize any private data needed to represent the file system (it can use the mp->mnt_data field to store this information).

SEE ALSO

VFS(9), vnode(9)

AUTHORS

This manual page was written by
.An Doug Rabson .
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