common/fs.h

/*
 * Copyright (c) 2000-2001 Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef FS_H
#define FS_H

/* fs - utilities for examining and manipulating file systems
 */

/* default maximum path and name lengths
 */
#define FS_MAXNAMELEN_DEFAULT	256
#define FS_MAXPATHLEN_DEFAULT	1024

/* fs_info - decides if a source name describes a file system, and if
 * so returns useful information about that file system.
 *
 * returns BOOL_FALSE if srcname does not describe a file system.
 */
extern bool_t fs_info(char *fstype,		/* out: fs type (fsid.h) */
		       int fstypesz,	/* in: buffer size */
		       char *fstypedef,		/* in: default fs type */
		       char *fsdevice,		/* out: blk spec. dev. file */
		       int fsdevicesz,	/* in: buffer size */
		       char *mntpt,		/* out: where fs mounted */
		       int mntptsz,	/* in: buffer size */
		       uuid_t *fsid,		/* out: fs uuid */
		       char *srcname);		/* in: how user named the fs */

/* fs_mounted - checks if a file system is mounted at its mount point
 */
extern bool_t fs_mounted(char *fstype,
		          char *fsdevice,
		          char *mntpt,
		          uuid_t *fsid);

/* fs_getid - retrieves the uuid of the file system containing the named
 * file. returns -1 with errno set on error.
 */
extern int fs_getid(char *fullpathname, uuid_t *fsidp);

/* tells how many inos in use
 */
extern size_t fs_getinocnt(char *mnts);

#endif /* FS_H */