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