diff options
author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2005-09-19 06:11:41 +0000 |
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committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2005-09-19 06:11:41 +0000 |
commit | 14091f5c32840e77b992623f410e28ca68bcd0b2 (patch) | |
tree | e63b5c0dd594e79e82b395bdccb3464b3d5d66cb /cpukit/libnetworking | |
parent | 2005-09-19 Ralf Corsepius <ralf.corsepius@rtems.org> (diff) | |
download | rtems-14091f5c32840e77b992623f410e28ca68bcd0b2.tar.bz2 |
2005-09-19 Ralf Corsepius <ralf.corsepius@rtems.org>
* libnetworking/sys/mount.h: Cosmetical update from FreeBSD.
Remove non-implemented interfaces (vfs, nfs, fsstat, etc.).
Diffstat (limited to 'cpukit/libnetworking')
-rw-r--r-- | cpukit/libnetworking/sys/mount.h | 229 |
1 files changed, 11 insertions, 218 deletions
diff --git a/cpukit/libnetworking/sys/mount.h b/cpukit/libnetworking/sys/mount.h index 694b1dda14..c055677258 100644 --- a/cpukit/libnetworking/sys/mount.h +++ b/cpukit/libnetworking/sys/mount.h @@ -27,7 +27,7 @@ * SUCH DAMAGE. * * @(#)mount.h 8.21 (Berkeley) 5/20/95 - * $FreeBSD: src/sys/sys/mount.h,v 1.195 2005/03/24 07:29:23 jeff Exp $ + * $FreeBSD: src/sys/sys/mount.h,v 1.198 2005/08/06 01:42:04 ssouhlal Exp $ */ /* @@ -59,52 +59,11 @@ struct fid { /* * filesystem statistics */ - -#define MNAMELEN 90 /* length of buffer for returned name */ - -struct statfs { - long f_spare2; /* placeholder */ - long f_bsize; /* fundamental filesystem block size */ - long f_iosize; /* optimal transfer block size */ - long f_blocks; /* total data blocks in filesystem */ - long f_bfree; /* free blocks in fs */ - long f_bavail; /* free blocks avail to non-superuser */ - long f_files; /* total file nodes in filesystem */ - long f_ffree; /* free file nodes in fs */ - fsid_t f_fsid; /* filesystem id */ - uid_t f_owner; /* user that mounted the filesystem */ - int f_type; /* type of filesystem (see below) */ - int f_flags; /* copy of mount flags */ - long f_spare[6]; /* spare for later */ - char f_mntonname[MNAMELEN]; /* directory on which mounted */ - char f_mntfromname[MNAMELEN];/* mounted filesystem */ -}; - -/* - * Structure per mounted filesystem. Each mounted filesystem has an - * array of operations and an instance record. The filesystems are - * put on a doubly linked list. - * - */ -LIST_HEAD(vnodelst, vnode); - -struct mount { - CIRCLEQ_ENTRY(mount) mnt_list; /* mount list */ - struct vfsops *mnt_op; /* operations on fs */ - struct vfsconf *mnt_vfc; /* configuration info */ - struct vnode *mnt_vnodecovered; /* vnode we mounted on */ - struct vnodelst mnt_vnodelist; /* list of vnodes this mount */ - int mnt_flag; /* flags */ - int mnt_maxsymlinklen; /* max size of short symlink */ - struct statfs mnt_stat; /* cache of filesystem stats */ - void * mnt_data; /* private data */ - time_t mnt_time; /* last time written*/ -}; +#define MFSNAMELEN 16 /* length of type name including null */ +#define MNAMELEN 88 /* size of on/from name bufs */ /* - * Mount flags. - * - * Unmount uses MNT_FORCE flag. + * User specifiable flags. */ #define MNT_RDONLY 0x00000001 /* read only filesystem */ #define MNT_SYNCHRONOUS 0x00000002 /* filesystem written synchronously */ @@ -113,10 +72,10 @@ struct mount { #define MNT_NODEV 0x00000010 /* don't interpret special files */ #define MNT_UNION 0x00000020 /* union with underlying filesystem */ #define MNT_ASYNC 0x00000040 /* filesystem written asynchronously */ -#define MNT_NOATIME 0x10000000 /* Disable update of file access times */ +#define MNT_NOATIME 0x10000000 /* disable update of file access time */ /* - * exported mount flags. + * NFS export related mount flags. */ #define MNT_EXRDONLY 0x00000080 /* exported read only */ #define MNT_EXPORTED 0x00000100 /* filesystem is exported */ @@ -126,7 +85,8 @@ struct mount { #define MNT_EXPUBLIC 0x20000000 /* public export (WebNFS) */ /* - * Flags set by internal operations. + * Flags set by internal operations, + * but visible to the user. */ #define MNT_LOCAL 0x00001000 /* filesystem is stored locally */ #define MNT_QUOTA 0x00002000 /* quotas are enabled on filesystem */ @@ -135,102 +95,13 @@ struct mount { #define MNT_IGNORE 0x00800000 /* do not show entry in df */ /* - * Mask of flags that are visible to statfs() - */ -#define MNT_VISFLAGMASK (MNT_RDONLY|MNT_SYNCHRONOUS|MNT_NOEXEC|MNT_NOSUID| \ - MNT_NODEV|MNT_UNION|MNT_ASYNC|MNT_EXRDONLY|MNT_EXPORTED| \ - MNT_DEFEXPORTED|MNT_EXPORTANON|MNT_EXKERB|MNT_LOCAL| \ - MNT_QUOTA|MNT_ROOTFS|MNT_USER|MNT_NOATIME) - -/* - * filesystem control flags. - * - * MNT_MLOCK lock the mount entry so that name lookup cannot proceed - * past the mount point. This keeps the subtree stable during mounts - * and unmounts. + * External filesystem command modifier flags. + * Unmount can use the MNT_FORCE flag. */ #define MNT_UPDATE 0x00010000 /* not a real mount, just an update */ #define MNT_DELEXPORT 0x00020000 /* delete export host lists */ #define MNT_RELOAD 0x00040000 /* reload filesystem data */ #define MNT_FORCE 0x00080000 /* force unmount or readonly change */ -#define MNT_MLOCK 0x00100000 /* lock so that subtree is stable */ -#define MNT_MWAIT 0x00200000 /* someone is waiting for lock */ -#define MNT_MPBUSY 0x00400000 /* scan of mount point in progress */ -#define MNT_MPWANT 0x00800000 /* waiting for mount point */ -#define MNT_UNMOUNT 0x01000000 /* unmount in progress */ -#define MNT_WANTRDWR 0x02000000 /* want upgrade to read/write */ - -/* - * used to get configured filesystems information - */ -#define VFS_MAXNAMELEN 32 -struct vfsconf { - void *vfc_vfsops; - char vfc_name[VFS_MAXNAMELEN]; - int vfc_index; - int vfc_refcount; - int vfc_flags; -}; - -/* - * Operations supported on mounted filesystem. - */ -#ifdef _KERNEL - -extern int doforce; /* Flag to permit forcible unmounting. */ -extern struct vfsconf void_vfsconf; -extern struct vfsconf *vfsconf[]; - -#ifdef __STDC__ -struct nameidata; -struct mbuf; -#endif - -struct vfsops { - int (*vfs_mount) __P((struct mount *mp, char *path, caddr_t data, - struct nameidata *ndp, struct proc *p)); - int (*vfs_start) __P((struct mount *mp, int flags, - struct proc *p)); - int (*vfs_unmount) __P((struct mount *mp, int mntflags, - struct proc *p)); - int (*vfs_root) __P((struct mount *mp, struct vnode **vpp)); - int (*vfs_quotactl) __P((struct mount *mp, int cmds, uid_t uid, - caddr_t arg, struct proc *p)); - int (*vfs_statfs) __P((struct mount *mp, struct statfs *sbp, - struct proc *p)); - int (*vfs_sync) __P((struct mount *mp, int waitfor, - struct ucred *cred, struct proc *p)); - int (*vfs_vget) __P((struct mount *mp, ino_t ino, - struct vnode **vpp)); - int (*vfs_fhtovp) __P((struct mount *mp, struct fid *fhp, - struct mbuf *nam, struct vnode **vpp, - int *exflagsp, struct ucred **credanonp)); - int (*vfs_vptofh) __P((struct vnode *vp, struct fid *fhp)); - int (*vfs_init) __P((void)); -}; - -#define VFS_MOUNT(MP, PATH, DATA, NDP, P) \ - (*(MP)->mnt_op->vfs_mount)(MP, PATH, DATA, NDP, P) -#define VFS_START(MP, FLAGS, P) (*(MP)->mnt_op->vfs_start)(MP, FLAGS, P) -#define VFS_UNMOUNT(MP, FORCE, P) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE, P) -#define VFS_ROOT(MP, VPP) (*(MP)->mnt_op->vfs_root)(MP, VPP) -#define VFS_QUOTACTL(MP,C,U,A,P) (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A, P) -#define VFS_STATFS(MP, SBP, P) (*(MP)->mnt_op->vfs_statfs)(MP, SBP, P) -#define VFS_SYNC(MP, WAIT, C, P) (*(MP)->mnt_op->vfs_sync)(MP, WAIT, C, P) -#define VFS_VGET(MP, INO, VPP) (*(MP)->mnt_op->vfs_vget)(MP, INO, VPP) -#define VFS_FHTOVP(MP, FIDP, NAM, VPP, EXFLG, CRED) \ - (*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, NAM, VPP, EXFLG, CRED) -#define VFS_VPTOFH(VP, FIDP) (*(VP)->v_mount->mnt_op->vfs_vptofh)(VP, FIDP) - -#endif /* _KERNEL */ - -/* - * Flags for various system call interfaces. - * - * waitfor flags to vfs_sync() and getfsstat() - */ -#define MNT_WAIT 1 -#define MNT_NOWAIT 2 /* * Generic file handle @@ -242,89 +113,11 @@ struct fhandle { typedef struct fhandle fhandle_t; #ifdef _KERNEL -#include <net/radix.h> -#include <sys/socket.h> /* XXX for AF_MAX */ -/* - * Network address lookup element - */ -struct netcred { - struct radix_node netc_rnodes[2]; - int netc_exflags; - struct ucred netc_anon; -}; - -/* - * Network export information - */ -struct netexport { - struct netcred ne_defexported; /* Default export */ - struct radix_node_head *ne_rtable[AF_MAX+1]; /* Individual exports */ -}; -#endif /* _KERNEL */ - -/* - * Export arguments for local filesystem mount calls. - */ -struct export_args { - int ex_flags; /* export related flags */ - uid_t ex_root; /* mapping for root uid */ - struct ucred ex_anon; /* mapping for anonymous user */ - struct sockaddr *ex_addr; /* net address to which exported */ - int ex_addrlen; /* and the net address length */ - struct sockaddr *ex_mask; /* mask of valid bits in saddr */ - int ex_masklen; /* and the smask length */ -}; - -#ifdef _KERNEL -extern int (*mountroot) __P((void *)); -extern struct vfsops *mountrootvfsops; - -/* - * exported vnode operations - */ -int dounmount __P((struct mount *, int, struct proc *)); -struct mount *getvfs __P((fsid_t *)); /* return vfs given fsid */ -void getnewfsid __P((struct mount *, int)); -int vflush __P((struct mount *, struct vnode *, int)); -int vfs_export /* process mount export info */ - __P((struct mount *, struct netexport *, struct export_args *)); -struct netcred *vfs_export_lookup /* lookup host in fs export list */ - __P((struct mount *, struct netexport *, struct mbuf *)); -int vfs_lock __P((struct mount *)); /* lock a vfs */ -int vfs_mountedon __P((struct vnode *)); /* is a vfs mounted on vp */ -int vfs_mountroot __P((void *)); /* XXX goes away? */ -void vfs_msync __P((struct mount *, int)); -void vfs_unlock __P((struct mount *)); /* unlock a vfs */ -void vfs_unmountall __P((void)); -int vfs_busy __P((struct mount *)); /* mark a vfs busy */ -void vfs_unbusy __P((struct mount *)); /* mark a vfs not busy */ -extern CIRCLEQ_HEAD(mntlist, mount) mountlist; /* mounted filesystem list */ -extern struct vfsops *vfssw[]; /* filesystem type table */ - -#else /* _KERNEL */ +#else /* !_KERNEL */ #include <sys/cdefs.h> -__BEGIN_DECLS -int fstatfs __P((int, struct statfs *)); -int getfh __P((const char *, fhandle_t *)); -int getfsstat __P((struct statfs *, long, int)); -int getmntinfo __P((struct statfs **, int)); -int mount __P((int, const char *, int, void *)); -int statfs __P((const char *, struct statfs *)); -int unmount __P((const char *, int)); - -/* C library stuff */ -struct vfsconf *getvfsbyname __P((const char *)); -struct vfsconf *getvfsbytype __P((int)); -struct vfsconf *getvfsent __P((void)); -void setvfsent __P((int)); -void endvfsent __P((void)); -int vfsisloadable __P((const char *)); -int vfsload __P((const char *)); -__END_DECLS - #endif /* _KERNEL */ #endif /* !_SYS_MOUNT_H_ */ |