diff options
author | phk <phk@FreeBSD.org> | 2004-10-29 09:56:56 +0000 |
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committer | phk <phk@FreeBSD.org> | 2004-10-29 09:56:56 +0000 |
commit | f0dd76e153ceb481cfd9f2ab5bbb02e7d8a294c9 (patch) | |
tree | f30d3443e6367f7c9242bea3a6c2297c61b2f4d9 /sys/geom/geom_vfs.h | |
parent | 12ca46b3fce383c1db9e62c046b3d12002e45219 (diff) | |
download | FreeBSD-src-f0dd76e153ceb481cfd9f2ab5bbb02e7d8a294c9.zip FreeBSD-src-f0dd76e153ceb481cfd9f2ab5bbb02e7d8a294c9.tar.gz |
Add GEOM class "VFS" for filesystems and other buffer cache users
of GEOM devices.
There is nothing magic about this, it just gives a bufobj interface
to GEOM.
Diffstat (limited to 'sys/geom/geom_vfs.h')
-rw-r--r-- | sys/geom/geom_vfs.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sys/geom/geom_vfs.h b/sys/geom/geom_vfs.h new file mode 100644 index 0000000..6c2bacb --- /dev/null +++ b/sys/geom/geom_vfs.h @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2004 Poul-Henning Kamp + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _GEOM_GEOM_VFS_H_ +#define _GEOM_GEOM_VFS_H_ + +struct vnode; +struct bufobj; +struct buf; + +extern struct buf_ops *g_vfs_bufops; + +void g_vfs_strategy(struct bufobj *bo, struct buf *bp); +void g_vfs_orphan(struct g_consumer *cp); +int g_vfs_open(struct vnode *vp, struct g_consumer **cpp, const char *fsname, int wr); + +#endif /* _GEOM_GEOM_VFS_H_ */ |