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NAME

     VFS_SET — set up loadable file system vfsconf

SYNOPSIS

     #include <sys/param.h>
     #include <sys/kernel.h>
     #include <sys/module.h>
     #include <sys/mount.h>

     void
     VFS_SET(struct vfsops *vfsops, fsname, int flags);

DESCRIPTION

     VFS_SET() creates a vfsconf structure for the loadable module with the
     given vfsops, fsname and flags, and declares it by calling
     DECLARE_MODULE(9) using vfs_modevent() as the event handler.

     Possible values for the flags argument are:

     VFCF_STATIC      File system should be statically available in the
                      kernel.

     VFCF_NETWORK     Network exportable file system.

     VFCF_READONLY    Does not support write operations.

     VFCF_SYNTHETIC   Pseudo file system, data does not represent on-disk
                      files.

     VFCF_LOOPBACK    Loopback file system layer.

     VFCF_UNICODE     File names are stored as Unicode.

     VFCF_JAIL        Can be mounted from within a jail if
                      security.jail.mount_allowed sysctl is set to 1.

     VFCF_DELEGADMIN  Supports delegated administration if vfs.usermount
                      sysctl is set to 1.

PSEUDOCODE

     /*
      * fill in the ones we use, and use the vfs_std for the rest.
      */
     static struct vfsops myfs_vfsops = {
             myfs_mount,
             vfs_stdstart,
             myfs_unmount,
             myfs_root,
             vfs_stdquotactl,
             myfs_statfs,
             vfs_stdsync,
             vfs_stdvget,
             vfs_stdfhtovp,
             vfs_stdcheckexp,
             vfs_stdvptofh,
             vfs_stdinit,
             vfs_stduninit,
             vfs_stdextattrctl,
     };

     VFS_SET(myfs_vfsops, skelfs, 0);

SEE ALSO

     jail(2), jail(8), DECLARE_MODULE(9), vfsconf(9), vfs_modevent(9)

AUTHORS

     This manual page was written by Chad David ⟨davidc@acns.ab.ca⟩.



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