* Copyright (c) 1982, 1986, 1989 Regents of the University of California.
* All rights reserved.
*
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * %sccs.include.redist.c%
*
- * @(#)lfs_vnops.c 7.12 (Berkeley) %G%
+ * @(#)lfs_vnops.c 7.61 (Berkeley) %G%
*/
#include "param.h"
#include "systm.h"
-#include "user.h"
+#include "namei.h"
+#include "resourcevar.h"
#include "kernel.h"
#include "file.h"
#include "stat.h"
#include "buf.h"
#include "proc.h"
-#include "uio.h"
-#include "socket.h"
-#include "socketvar.h"
#include "conf.h"
#include "mount.h"
#include "vnode.h"
-#include "../ufs/inode.h"
-#include "../ufs/fs.h"
-#include "../ufs/quota.h"
+#include "specdev.h"
+#include "fifo.h"
+#include "malloc.h"
-/*
- * Global vfs data structures for ufs
- */
-
-int ufs_lookup(),
- ufs_create(),
- ufs_mknod(),
- ufs_open(),
- ufs_close(),
- ufs_access(),
- ufs_getattr(),
- ufs_setattr(),
- ufs_read(),
- ufs_write(),
- ufs_ioctl(),
- ufs_select(),
- ufs_mmap(),
- ufs_fsync(),
- ufs_seek(),
- ufs_remove(),
- ufs_link(),
- ufs_rename(),
- ufs_mkdir(),
- ufs_rmdir(),
- ufs_symlink(),
- ufs_readdir(),
- ufs_readlink(),
- ufs_abortop(),
- ufs_inactive(),
- ufs_lock(),
- ufs_unlock(),
- ufs_bmap(),
- ufs_strategy();
-
-struct vnodeops ufs_vnodeops = {
- ufs_lookup,
- ufs_create,
- ufs_mknod,
- ufs_open,
- ufs_close,
- ufs_access,
- ufs_getattr,
- ufs_setattr,
- ufs_read,
- ufs_write,
- ufs_ioctl,
- ufs_select,
- ufs_mmap,
- ufs_fsync,
- ufs_seek,
- ufs_remove,
- ufs_link,
- ufs_rename,
- ufs_mkdir,
- ufs_rmdir,
- ufs_symlink,
- ufs_readdir,
- ufs_readlink,
- ufs_abortop,
- ufs_inactive,
- ufs_lock,
- ufs_unlock,
- ufs_bmap,
- ufs_strategy,
-};
-
-enum vtype iftovt_tab[8] = {
- VNON, VCHR, VDIR, VBLK, VREG, VLNK, VSOCK, VBAD,
-};
-int vttoif_tab[8] = {
- 0, IFREG, IFDIR, IFBLK, IFCHR, IFLNK, IFSOCK, IFMT,
-};
+#include "lockf.h"
+#include "quota.h"
+#include "inode.h"
+#include "fs.h"
/*
* Create a regular file
*/
-ufs_create(ndp, vap)
+ufs_create(ndp, vap, p)
struct nameidata *ndp;
struct vattr *vap;
+ struct proc *p;
{
struct inode *ip;
int error;
* Mknod vnode call
*/
/* ARGSUSED */
-ufs_mknod(ndp, vap, cred)
+ufs_mknod(ndp, vap, cred, p)
struct nameidata *ndp;
struct ucred *cred;
struct vattr *vap;
+ struct proc *p;
{
+ register struct vnode *vp;
struct inode *ip;
int error;
if (error = maknode(MAKEIMODE(vap->va_type, vap->va_mode), ndp, &ip))
return (error);
- if (vap->va_rdev) {
+ ip->i_flag |= IACC|IUPD|ICHG;
+ if (vap->va_rdev != VNOVAL) {
/*
* Want to be able to use this to make badblock
* inodes, so don't truncate the dev number.
*/
- ITOV(ip)->v_rdev = ip->i_rdev = vap->va_rdev;
- ip->i_flag |= IACC|IUPD|ICHG;
+ ip->i_rdev = vap->va_rdev;
}
- iput(ip);
/*
* Remove inode so that it will be reloaded by iget and
* checked to see if it is an alias of an existing entry
* in the inode cache.
*/
- remque(ip);
- ip->i_forw = ip;
- ip->i_back = ip;
+ vp = ITOV(ip);
+ vput(vp);
+ vp->v_type = VNON;
+ vgone(vp);
return (0);
}
* Nothing to do.
*/
/* ARGSUSED */
-ufs_open(vp, mode, cred)
+ufs_open(vp, mode, cred, p)
struct vnode *vp;
int mode;
struct ucred *cred;
+ struct proc *p;
{
return (0);
* Update the times on the inode.
*/
/* ARGSUSED */
-ufs_close(vp, fflag, cred)
+ufs_close(vp, fflag, cred, p)
struct vnode *vp;
int fflag;
struct ucred *cred;
+ struct proc *p;
{
register struct inode *ip = VTOI(vp);
- if (vp->v_count > 1 && !(ip->i_flag & ILOCKED))
+ if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED))
ITIMES(ip, &time, &time);
return (0);
}
-ufs_access(vp, mode, cred)
+/*
+ * Check mode permission on inode pointer. Mode is READ, WRITE or EXEC.
+ * The mode is shifted to select the owner/group/other fields. The
+ * super user is granted all permissions.
+ */
+ufs_access(vp, mode, cred, p)
struct vnode *vp;
- int mode;
+ register int mode;
struct ucred *cred;
+ struct proc *p;
{
+ register struct inode *ip = VTOI(vp);
+ register gid_t *gp;
+ int i, error;
- return (iaccess(VTOI(vp), mode, cred));
+#ifdef DIAGNOSTIC
+ if (!VOP_ISLOCKED(vp)) {
+ vprint("ufs_access: not locked", vp);
+ panic("ufs_access: not locked");
+ }
+#endif
+#ifdef QUOTA
+ if (mode & VWRITE) {
+ switch (vp->v_type) {
+ case VREG: case VDIR: case VLNK:
+ if (error = getinoquota(ip))
+ return (error);
+ }
+ }
+#endif /* QUOTA */
+ /*
+ * If you're the super-user, you always get access.
+ */
+ if (cred->cr_uid == 0)
+ return (0);
+ /*
+ * Access check is based on only one of owner, group, public.
+ * If not owner, then check group. If not a member of the
+ * group, then check public access.
+ */
+ if (cred->cr_uid != ip->i_uid) {
+ mode >>= 3;
+ gp = cred->cr_groups;
+ for (i = 0; i < cred->cr_ngroups; i++, gp++)
+ if (ip->i_gid == *gp)
+ goto found;
+ mode >>= 3;
+found:
+ ;
+ }
+ if ((ip->i_mode & mode) != 0)
+ return (0);
+ return (EACCES);
}
/* ARGSUSED */
-ufs_getattr(vp, vap, cred)
+ufs_getattr(vp, vap, cred, p)
struct vnode *vp;
register struct vattr *vap;
struct ucred *cred;
+ struct proc *p;
{
register struct inode *ip = VTOI(vp);
vap->va_uid = ip->i_uid;
vap->va_gid = ip->i_gid;
vap->va_rdev = (dev_t)ip->i_rdev;
- vap->va_size = ip->i_ic.ic_size.val[0];
- vap->va_size1 = ip->i_ic.ic_size.val[1];
+#ifdef tahoe
+ vap->va_size = ip->i_size;
+ vap->va_size_rsv = 0;
+#else
+ vap->va_qsize = ip->i_din.di_qsize;
+#endif
vap->va_atime.tv_sec = ip->i_atime;
+ vap->va_atime.tv_usec = 0;
vap->va_mtime.tv_sec = ip->i_mtime;
+ vap->va_mtime.tv_usec = 0;
vap->va_ctime.tv_sec = ip->i_ctime;
+ vap->va_ctime.tv_usec = 0;
vap->va_flags = ip->i_flags;
vap->va_gen = ip->i_gen;
/* this doesn't belong here */
vap->va_blocksize = MAXBSIZE;
else
vap->va_blocksize = ip->i_fs->fs_bsize;
- /*
- * XXX THIS IS NOT CORRECT!!, but be sure to change vn_stat()
- * if you change it.
- */
- vap->va_bytes = ip->i_blocks;
- vap->va_bytes1 = -1;
+ vap->va_bytes = dbtob(ip->i_blocks);
+ vap->va_bytes_rsv = 0;
vap->va_type = vp->v_type;
return (0);
}
/*
* Set attribute vnode op. called from several syscalls
*/
-ufs_setattr(vp, vap, cred)
+ufs_setattr(vp, vap, cred, p)
register struct vnode *vp;
register struct vattr *vap;
register struct ucred *cred;
+ struct proc *p;
{
register struct inode *ip = VTOI(vp);
int error = 0;
* Go through the fields and update iff not VNOVAL.
*/
if (vap->va_uid != (u_short)VNOVAL || vap->va_gid != (u_short)VNOVAL)
- if (error = chown1(vp, vap->va_uid, vap->va_gid, cred))
+ if (error = chown1(vp, vap->va_uid, vap->va_gid, p))
return (error);
if (vap->va_size != VNOVAL) {
if (vp->v_type == VDIR)
return (EISDIR);
- if (error = iaccess(ip, IWRITE, cred))
- return (error);
- if (error = itrunc(ip, vap->va_size))
+ if (error = itrunc(ip, vap->va_size, 0)) /* XXX IO_SYNC? */
return (error);
}
if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
if (cred->cr_uid != ip->i_uid &&
- (error = suser(cred, &u.u_acflag)))
+ (error = suser(cred, &p->p_acflag)))
return (error);
if (vap->va_atime.tv_sec != VNOVAL)
ip->i_flag |= IACC;
return (error);
}
if (vap->va_mode != (u_short)VNOVAL)
- error = chmod1(vp, (int)vap->va_mode, cred);
+ error = chmod1(vp, (int)vap->va_mode, p);
if (vap->va_flags != VNOVAL) {
if (cred->cr_uid != ip->i_uid &&
- (error = suser(cred, &u.u_acflag)))
+ (error = suser(cred, &p->p_acflag)))
return (error);
if (cred->cr_uid == 0) {
ip->i_flags = vap->va_flags;
* Change the mode on a file.
* Inode must be locked before calling.
*/
-chmod1(vp, mode, cred)
+chmod1(vp, mode, p)
register struct vnode *vp;
register int mode;
- struct ucred *cred;
+ struct proc *p;
{
+ register struct ucred *cred = p->p_ucred;
register struct inode *ip = VTOI(vp);
int error;
if (cred->cr_uid != ip->i_uid &&
- (error = suser(cred, &u.u_acflag)))
+ (error = suser(cred, &p->p_acflag)))
return (error);
- ip->i_mode &= ~07777;
if (cred->cr_uid) {
- if (vp->v_type != VDIR)
- mode &= ~ISVTX;
- if (!groupmember(ip->i_gid, cred))
- mode &= ~ISGID;
+ if (vp->v_type != VDIR && (mode & ISVTX))
+ return (EFTYPE);
+ if (!groupmember(ip->i_gid, cred) && (mode & ISGID))
+ return (EPERM);
}
+ ip->i_mode &= ~07777;
ip->i_mode |= mode & 07777;
ip->i_flag |= ICHG;
if ((vp->v_flag & VTEXT) && (ip->i_mode & ISVTX) == 0)
- xrele(vp);
+ (void) vnode_pager_uncache(vp);
return (0);
}
* Perform chown operation on inode ip;
* inode must be locked prior to call.
*/
-chown1(vp, uid, gid, cred)
+chown1(vp, uid, gid, p)
register struct vnode *vp;
uid_t uid;
gid_t gid;
- struct ucred *cred;
+ struct proc *p;
{
register struct inode *ip = VTOI(vp);
+ register struct ucred *cred = p->p_ucred;
+ uid_t ouid;
+ gid_t ogid;
+ int error = 0;
#ifdef QUOTA
- register long change;
+ register int i;
+ long change;
#endif
- int error;
if (uid == (u_short)VNOVAL)
uid = ip->i_uid;
*/
if ((cred->cr_uid != ip->i_uid || uid != ip->i_uid ||
!groupmember((gid_t)gid, cred)) &&
- (error = suser(cred, &u.u_acflag)))
+ (error = suser(cred, &p->p_acflag)))
return (error);
+ ouid = ip->i_uid;
+ ogid = ip->i_gid;
#ifdef QUOTA
- if (ip->i_uid == uid) /* this just speeds things a little */
- change = 0;
- else
- change = ip->i_blocks;
- (void) chkdq(ip, -change, 1);
- (void) chkiq(ip->i_dev, ip, ip->i_uid, 1);
- dqrele(ip->i_dquot);
+ if (error = getinoquota(ip))
+ return (error);
+ if (ouid == uid) {
+ dqrele(vp, ip->i_dquot[USRQUOTA]);
+ ip->i_dquot[USRQUOTA] = NODQUOT;
+ }
+ if (ogid == gid) {
+ dqrele(vp, ip->i_dquot[GRPQUOTA]);
+ ip->i_dquot[GRPQUOTA] = NODQUOT;
+ }
+ change = ip->i_blocks;
+ (void) chkdq(ip, -change, cred, CHOWN);
+ (void) chkiq(ip, -1, cred, CHOWN);
+ for (i = 0; i < MAXQUOTAS; i++) {
+ dqrele(vp, ip->i_dquot[i]);
+ ip->i_dquot[i] = NODQUOT;
+ }
#endif
ip->i_uid = uid;
ip->i_gid = gid;
- ip->i_flag |= ICHG;
- if (cred->cr_ruid != 0)
- ip->i_mode &= ~(ISUID|ISGID);
#ifdef QUOTA
- ip->i_dquot = inoquota(ip);
- (void) chkdq(ip, change, 1);
- (void) chkiq(ip->i_dev, (struct inode *)NULL, (uid_t)uid, 1);
- return (u.u_error); /* should == 0 ALWAYS !! */
-#else
+ if ((error = getinoquota(ip)) == 0) {
+ if (ouid == uid) {
+ dqrele(vp, ip->i_dquot[USRQUOTA]);
+ ip->i_dquot[USRQUOTA] = NODQUOT;
+ }
+ if (ogid == gid) {
+ dqrele(vp, ip->i_dquot[GRPQUOTA]);
+ ip->i_dquot[GRPQUOTA] = NODQUOT;
+ }
+ if ((error = chkdq(ip, change, cred, CHOWN)) == 0) {
+ if ((error = chkiq(ip, 1, cred, CHOWN)) == 0)
+ goto good;
+ else
+ (void) chkdq(ip, -change, cred, CHOWN|FORCE);
+ }
+ for (i = 0; i < MAXQUOTAS; i++) {
+ dqrele(vp, ip->i_dquot[i]);
+ ip->i_dquot[i] = NODQUOT;
+ }
+ }
+ ip->i_uid = ouid;
+ ip->i_gid = ogid;
+ if (getinoquota(ip) == 0) {
+ if (ouid == uid) {
+ dqrele(vp, ip->i_dquot[USRQUOTA]);
+ ip->i_dquot[USRQUOTA] = NODQUOT;
+ }
+ if (ogid == gid) {
+ dqrele(vp, ip->i_dquot[GRPQUOTA]);
+ ip->i_dquot[GRPQUOTA] = NODQUOT;
+ }
+ (void) chkdq(ip, change, cred, FORCE|CHOWN);
+ (void) chkiq(ip, 1, cred, FORCE|CHOWN);
+ (void) getinoquota(ip);
+ }
+ return (error);
+good:
+ if (getinoquota(ip))
+ panic("chown: lost quota");
+#endif /* QUOTA */
+ if (ouid != uid || ogid != gid)
+ ip->i_flag |= ICHG;
+ if (ouid != uid && cred->cr_uid != 0)
+ ip->i_mode &= ~ISUID;
+ if (ogid != gid && cred->cr_uid != 0)
+ ip->i_mode &= ~ISGID;
return (0);
+}
+
+/*
+ * Vnode op for reading.
+ */
+/* ARGSUSED */
+ufs_read(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ register struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+ register struct inode *ip = VTOI(vp);
+ register struct fs *fs;
+ struct buf *bp;
+ daddr_t lbn, bn, rablock;
+ int size, diff, error = 0;
+ long n, on, type;
+
+#ifdef DIAGNOSTIC
+ if (uio->uio_rw != UIO_READ)
+ panic("ufs_read mode");
+ type = ip->i_mode & IFMT;
+ if (type != IFDIR && type != IFREG && type != IFLNK)
+ panic("ufs_read type");
#endif
+ if (uio->uio_resid == 0)
+ return (0);
+ if (uio->uio_offset < 0)
+ return (EINVAL);
+ ip->i_flag |= IACC;
+ fs = ip->i_fs;
+ do {
+ lbn = lblkno(fs, uio->uio_offset);
+ on = blkoff(fs, uio->uio_offset);
+ n = MIN((unsigned)(fs->fs_bsize - on), uio->uio_resid);
+ diff = ip->i_size - uio->uio_offset;
+ if (diff <= 0)
+ return (0);
+ if (diff < n)
+ n = diff;
+ size = blksize(fs, ip, lbn);
+ rablock = lbn + 1;
+ if (vp->v_lastr + 1 == lbn &&
+ lblktosize(fs, rablock) < ip->i_size)
+ error = breada(ITOV(ip), lbn, size, rablock,
+ blksize(fs, ip, rablock), NOCRED, &bp);
+ else
+ error = bread(ITOV(ip), lbn, size, NOCRED, &bp);
+ vp->v_lastr = lbn;
+ n = MIN(n, size - bp->b_resid);
+ if (error) {
+ brelse(bp);
+ return (error);
+ }
+ error = uiomove(bp->b_un.b_addr + on, (int)n, uio);
+ if (n + on == fs->fs_bsize || uio->uio_offset == ip->i_size)
+ bp->b_flags |= B_AGE;
+ brelse(bp);
+ } while (error == 0 && uio->uio_resid > 0 && n != 0);
+ return (error);
+}
+
+/*
+ * Vnode op for writing.
+ */
+ufs_write(vp, uio, ioflag, cred)
+ register struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+ struct proc *p = uio->uio_procp;
+ register struct inode *ip = VTOI(vp);
+ register struct fs *fs;
+ struct buf *bp;
+ daddr_t lbn, bn;
+ u_long osize;
+ int n, on, flags;
+ int size, resid, error = 0;
+
+#ifdef DIAGNOSTIC
+ if (uio->uio_rw != UIO_WRITE)
+ panic("ufs_write mode");
+#endif
+ switch (vp->v_type) {
+ case VREG:
+ if (ioflag & IO_APPEND)
+ uio->uio_offset = ip->i_size;
+ /* fall through */
+ case VLNK:
+ break;
+
+ case VDIR:
+ if ((ioflag & IO_SYNC) == 0)
+ panic("ufs_write nonsync dir write");
+ break;
+
+ default:
+ panic("ufs_write type");
+ }
+ if (uio->uio_offset < 0)
+ return (EINVAL);
+ if (uio->uio_resid == 0)
+ return (0);
+ /*
+ * Maybe this should be above the vnode op call, but so long as
+ * file servers have no limits, i don't think it matters
+ */
+ if (vp->v_type == VREG &&
+ uio->uio_offset + uio->uio_resid >
+ p->p_rlimit[RLIMIT_FSIZE].rlim_cur) {
+ psignal(p, SIGXFSZ);
+ return (EFBIG);
+ }
+ resid = uio->uio_resid;
+ osize = ip->i_size;
+ fs = ip->i_fs;
+ flags = 0;
+ if (ioflag & IO_SYNC)
+ flags = B_SYNC;
+ do {
+ lbn = lblkno(fs, uio->uio_offset);
+ on = blkoff(fs, uio->uio_offset);
+ n = MIN((unsigned)(fs->fs_bsize - on), uio->uio_resid);
+ if (n < fs->fs_bsize)
+ flags |= B_CLRBUF;
+ else
+ flags &= ~B_CLRBUF;
+ if (error = balloc(ip, lbn, (int)(on + n), &bp, flags))
+ break;
+ bn = bp->b_blkno;
+ if (uio->uio_offset + n > ip->i_size) {
+ ip->i_size = uio->uio_offset + n;
+ vnode_pager_setsize(vp, ip->i_size);
+ }
+ size = blksize(fs, ip, lbn);
+ (void) vnode_pager_uncache(vp);
+ n = MIN(n, size - bp->b_resid);
+ error = uiomove(bp->b_un.b_addr + on, n, uio);
+ if (ioflag & IO_SYNC)
+ (void) bwrite(bp);
+ else if (n + on == fs->fs_bsize) {
+ bp->b_flags |= B_AGE;
+ bawrite(bp);
+ } else
+ bdwrite(bp);
+ ip->i_flag |= IUPD|ICHG;
+ if (cred->cr_uid != 0)
+ ip->i_mode &= ~(ISUID|ISGID);
+ } while (error == 0 && uio->uio_resid > 0 && n != 0);
+ if (error && (ioflag & IO_UNIT)) {
+ (void) itrunc(ip, osize, ioflag & IO_SYNC);
+ uio->uio_offset -= resid - uio->uio_resid;
+ uio->uio_resid = resid;
+ }
+ if (!error && (ioflag & IO_SYNC))
+ error = iupdat(ip, &time, &time, 1);
+ return (error);
}
/* ARGSUSED */
-ufs_ioctl(vp, com, data, fflag, cred)
+ufs_ioctl(vp, com, data, fflag, cred, p)
struct vnode *vp;
int com;
caddr_t data;
int fflag;
struct ucred *cred;
+ struct proc *p;
{
- printf("ufs_ioctl called with type %d\n", vp->v_type);
return (ENOTTY);
}
/* ARGSUSED */
-ufs_select(vp, which, cred)
+ufs_select(vp, which, fflags, cred, p)
struct vnode *vp;
- int which;
+ int which, fflags;
struct ucred *cred;
+ struct proc *p;
{
- printf("ufs_select called with type %d\n", vp->v_type);
- return (1); /* XXX */
+ /*
+ * We should really check to see if I/O is possible.
+ */
+ return (1);
}
/*
* NB Currently unsupported.
*/
/* ARGSUSED */
-ufs_mmap(vp, fflags, cred)
+ufs_mmap(vp, fflags, cred, p)
struct vnode *vp;
int fflags;
struct ucred *cred;
+ struct proc *p;
{
return (EINVAL);
* Synch an open file.
*/
/* ARGSUSED */
-ufs_fsync(vp, fflags, cred)
+ufs_fsync(vp, fflags, cred, waitfor, p)
struct vnode *vp;
int fflags;
struct ucred *cred;
+ int waitfor;
+ struct proc *p;
{
- register struct inode *ip = VTOI(vp);
- int error;
+ struct inode *ip = VTOI(vp);
- ILOCK(ip);
- if (fflags&FWRITE)
+ if (fflags & FWRITE)
ip->i_flag |= ICHG;
- error = syncip(ip);
- IUNLOCK(ip);
- return (error);
+ vflushbuf(vp, waitfor == MNT_WAIT ? B_SYNC : 0);
+ return (iupdat(ip, &time, &time, waitfor == MNT_WAIT));
}
/*
* Hard to avoid races here, especially
* in unlinking directories.
*/
-ufs_remove(ndp)
+ufs_remove(ndp, p)
struct nameidata *ndp;
+ struct proc *p;
{
register struct inode *ip, *dp;
int error;
/*
* link vnode call
*/
-ufs_link(vp, ndp)
+ufs_link(vp, ndp, p)
register struct vnode *vp;
register struct nameidata *ndp;
+ struct proc *p;
{
register struct inode *ip = VTOI(vp);
int error;
+ if ((unsigned short)ip->i_nlink >= LINK_MAX)
+ return (EMLINK);
if (ndp->ni_dvp != vp)
ILOCK(ip);
- if (ip->i_nlink == LINK_MAX - 1) {
- error = EMLINK;
- goto out;
- }
ip->i_nlink++;
ip->i_flag |= ICHG;
error = iupdat(ip, &time, &time, 1);
if (!error)
error = direnter(ip, ndp);
-out:
if (ndp->ni_dvp != vp)
IUNLOCK(ip);
+ vput(ndp->ni_dvp);
if (error) {
ip->i_nlink--;
ip->i_flag |= ICHG;
* is different from the source, patch the ".." entry in the
* directory.
*/
-ufs_rename(fndp, tndp)
+ufs_rename(fndp, tndp, p)
register struct nameidata *fndp, *tndp;
+ struct proc *p;
{
register struct inode *ip, *xp, *dp;
struct dirtemplate dirbuf;
*/
if ((d->d_namlen == 1 && d->d_name[0] == '.') || dp == ip ||
fndp->ni_isdotdot || (ip->i_flag & IRENAME)) {
- IUNLOCK(ip);
- ufs_abortop(fndp);
- ufs_abortop(tndp);
+ VOP_ABORTOP(tndp);
+ vput(tndp->ni_dvp);
+ if (tndp->ni_vp)
+ vput(tndp->ni_vp);
+ VOP_ABORTOP(fndp);
+ vrele(fndp->ni_dvp);
+ vput(fndp->ni_vp);
return (EINVAL);
}
ip->i_flag |= IRENAME;
if (oldparent != dp->i_number)
newparent = dp->i_number;
if (doingdirectory && newparent) {
- if (error = iaccess(ip, IWRITE, tndp->ni_cred))
+ VOP_LOCK(fndp->ni_vp);
+ error = ufs_access(fndp->ni_vp, VWRITE, tndp->ni_cred, p);
+ VOP_UNLOCK(fndp->ni_vp);
+ if (error)
goto bad;
- tndp->ni_nameiop = RENAME | LOCKPARENT | LOCKLEAF | NOCACHE;
+ tndp->ni_nameiop &= ~(MODMASK | OPMASK);
+ tndp->ni_nameiop |= RENAME | LOCKPARENT | LOCKLEAF | NOCACHE;
do {
dp = VTOI(tndp->ni_dvp);
if (xp != NULL)
iput(xp);
if (error = checkpath(ip, dp, tndp->ni_cred))
goto out;
- if (error = namei(tndp))
+ if (error = namei(tndp, p))
goto out;
xp = NULL;
if (tndp->ni_vp)
* parent we don't fool with the link count.
*/
if (doingdirectory && newparent) {
+ if ((unsigned short)dp->i_nlink >= LINK_MAX) {
+ error = EMLINK;
+ goto bad;
+ }
dp->i_nlink++;
dp->i_flag |= ICHG;
- error = iupdat(dp, &time, &time, 1);
+ if (error = iupdat(dp, &time, &time, 1))
+ goto bad;
+ }
+ if (error = direnter(ip, tndp)) {
+ if (doingdirectory && newparent) {
+ dp->i_nlink--;
+ dp->i_flag |= ICHG;
+ (void) iupdat(dp, &time, &time, 1);
+ }
+ goto bad;
}
- if (error = direnter(ip, tndp))
- goto out;
+ iput(dp);
} else {
if (xp->i_dev != dp->i_dev || xp->i_dev != ip->i_dev)
panic("rename: EXDEV");
}
if (error = dirrewrite(dp, ip, tndp))
goto bad;
+ /*
+ * If the target directory is in the same
+ * directory as the source directory,
+ * decrement the link count on the parent
+ * of the target directory.
+ */
+ if (doingdirectory && !newparent) {
+ dp->i_nlink--;
+ dp->i_flag |= ICHG;
+ }
vput(ITOV(dp));
/*
* Adjust the link count of the target to
if (doingdirectory) {
if (--xp->i_nlink != 0)
panic("rename: linked directory");
- error = itrunc(xp, (u_long)0);
+ error = itrunc(xp, (u_long)0, IO_SYNC);
}
xp->i_flag |= ICHG;
- vput(ITOV(xp));
+ iput(xp);
xp = NULL;
}
/*
* 3) Unlink the source.
*/
- fndp->ni_nameiop = DELETE | LOCKPARENT | LOCKLEAF;
- (void)namei(fndp);
+ fndp->ni_nameiop &= ~(MODMASK | OPMASK);
+ fndp->ni_nameiop |= DELETE | LOCKPARENT | LOCKLEAF;
+ (void)namei(fndp, p);
if (fndp->ni_vp != NULL) {
xp = VTOI(fndp->ni_vp);
dp = VTOI(fndp->ni_dvp);
} else {
- if (fndp->ni_dvp != NULL)
- vput(fndp->ni_dvp);
- xp = NULL;
- dp = NULL;
+ /*
+ * From name has disappeared.
+ */
+ if (doingdirectory)
+ panic("rename: lost dir entry");
+ vrele(ITOV(ip));
+ return (0);
}
/*
* Ensure that the directory entry still exists and has not
if (doingdirectory && newparent) {
dp->i_nlink--;
dp->i_flag |= ICHG;
- error = rdwri(UIO_READ, xp, (caddr_t)&dirbuf,
+ error = vn_rdwr(UIO_READ, ITOV(xp), (caddr_t)&dirbuf,
sizeof (struct dirtemplate), (off_t)0,
- UIO_SYSSPACE, tndp->ni_cred, (int *)0);
+ UIO_SYSSPACE, IO_NODELOCKED,
+ tndp->ni_cred, (int *)0, (struct proc *)0);
if (error == 0) {
if (dirbuf.dotdot_namlen != 2 ||
dirbuf.dotdot_name[0] != '.' ||
dirbuf.dotdot_name[1] != '.') {
- printf("rename: mangled dir\n");
+ dirbad(xp, 12, "rename: mangled dir");
} else {
dirbuf.dotdot_ino = newparent;
- (void) rdwri(UIO_WRITE, xp,
+ (void) vn_rdwr(UIO_WRITE, ITOV(xp),
(caddr_t)&dirbuf,
sizeof (struct dirtemplate),
(off_t)0, UIO_SYSSPACE,
- tndp->ni_cred, (int *)0);
+ IO_NODELOCKED|IO_SYNC,
+ tndp->ni_cred, (int *)0,
+ (struct proc *)0);
cache_purge(ITOV(dp));
}
}
/*
* Mkdir system call
*/
-ufs_mkdir(ndp, vap)
+ufs_mkdir(ndp, vap, p)
struct nameidata *ndp;
struct vattr *vap;
+ struct proc *p;
{
register struct inode *ip, *dp;
struct inode *tip;
dvp = ndp->ni_dvp;
dp = VTOI(dvp);
+ if ((unsigned short)dp->i_nlink >= LINK_MAX) {
+ iput(dp);
+ return (EMLINK);
+ }
dmode = vap->va_mode&0777;
dmode |= IFDIR;
/*
* directory. The entry is made later
* after writing "." and ".." entries out.
*/
- error = ialloc(dp, dirpref(dp->i_fs), dmode, &tip);
- if (error) {
+ if (error = ialloc(dp, dirpref(dp->i_fs), dmode, ndp->ni_cred, &tip)) {
iput(dp);
return (error);
}
ip = tip;
+ ip->i_uid = ndp->ni_cred->cr_uid;
+ ip->i_gid = dp->i_gid;
#ifdef QUOTA
- if (ip->i_dquot != NODQUOT)
- panic("mkdir: dquot");
+ if ((error = getinoquota(ip)) ||
+ (error = chkiq(ip, 1, ndp->ni_cred, 0))) {
+ ifree(ip, ip->i_number, dmode);
+ iput(ip);
+ iput(dp);
+ return (error);
+ }
#endif
ip->i_flag |= IACC|IUPD|ICHG;
ip->i_mode = dmode;
ITOV(ip)->v_type = VDIR; /* Rest init'd in iget() */
ip->i_nlink = 2;
- ip->i_uid = ndp->ni_cred->cr_uid;
- ip->i_gid = dp->i_gid;
-#ifdef QUOTA
- ip->i_dquot = inoquota(ip);
-#endif
error = iupdat(ip, &time, &time, 1);
/*
*/
dp->i_nlink++;
dp->i_flag |= ICHG;
- error = iupdat(dp, &time, &time, 1);
+ if (error = iupdat(dp, &time, &time, 1))
+ goto bad;
/*
* Initialize directory with "."
dirtemplate = mastertemplate;
dirtemplate.dot_ino = ip->i_number;
dirtemplate.dotdot_ino = dp->i_number;
- error = rdwri(UIO_WRITE, ip, (caddr_t)&dirtemplate,
- sizeof (dirtemplate), (off_t)0, UIO_SYSSPACE,
- ndp->ni_cred, (int *)0);
+ error = vn_rdwr(UIO_WRITE, ITOV(ip), (caddr_t)&dirtemplate,
+ sizeof (dirtemplate), (off_t)0, UIO_SYSSPACE,
+ IO_NODELOCKED|IO_SYNC, ndp->ni_cred, (int *)0, (struct proc *)0);
if (error) {
dp->i_nlink--;
dp->i_flag |= ICHG;
goto bad;
}
- if (DIRBLKSIZ > dp->i_fs->fs_fsize)
+ if (DIRBLKSIZ > dp->i_fs->fs_fsize) {
panic("mkdir: blksize"); /* XXX - should grow w/balloc() */
- else
+ } else {
ip->i_size = DIRBLKSIZ;
+ ip->i_flag |= ICHG;
+ }
/*
* Directory all set up, now
* install the entry for it in
* the parent directory.
*/
- error = direnter(ip, ndp);
- dp = NULL;
- if (error) {
- ndp->ni_nameiop = LOOKUP | NOCACHE;
- error = namei(ndp);
- if (!error) {
- dp = VTOI(ndp->ni_vp);
- dp->i_nlink--;
- dp->i_flag |= ICHG;
- }
+ if (error = direnter(ip, ndp)) {
+ dp->i_nlink--;
+ dp->i_flag |= ICHG;
}
bad:
/*
iput(ip);
} else
ndp->ni_vp = ITOV(ip);
- if (dp)
- iput(dp);
+ iput(dp);
return (error);
}
/*
* Rmdir system call.
*/
-ufs_rmdir(ndp)
+ufs_rmdir(ndp, p)
register struct nameidata *ndp;
+ struct proc *p;
{
register struct inode *ip, *dp;
int error = 0;
* worry about them later.
*/
ip->i_nlink -= 2;
- error = itrunc(ip, (u_long)0);
+ error = itrunc(ip, (u_long)0, IO_SYNC);
cache_purge(ITOV(ip));
out:
if (ndp->ni_dvp)
/*
* symlink -- make a symbolic link
*/
-ufs_symlink(ndp, vap, target)
+ufs_symlink(ndp, vap, target, p)
struct nameidata *ndp;
struct vattr *vap;
char *target;
+ struct proc *p;
{
struct inode *ip;
int error;
error = maknode(IFLNK | vap->va_mode, ndp, &ip);
if (error)
return (error);
- error = rdwri(UIO_WRITE, ip, target, strlen(target), (off_t)0,
- UIO_SYSSPACE, ndp->ni_cred, (int *)0);
+ error = vn_rdwr(UIO_WRITE, ITOV(ip), target, strlen(target), (off_t)0,
+ UIO_SYSSPACE, IO_NODELOCKED, ndp->ni_cred, (int *)0,
+ (struct proc *)0);
iput(ip);
return (error);
}
/*
* Vnode op for read and write
*/
-ufs_readdir(vp, uio, offp, cred)
+ufs_readdir(vp, uio, cred, eofflagp)
struct vnode *vp;
register struct uio *uio;
- off_t *offp;
struct ucred *cred;
+ int *eofflagp;
{
- register struct inode *ip = VTOI(vp);
- int count, error;
+ int count, lost, error;
- ILOCK(ip);
- uio->uio_offset = *offp;
count = uio->uio_resid;
count &= ~(DIRBLKSIZ - 1);
- if (vp->v_type != VDIR || uio->uio_iovcnt != 1 ||
- (count < DIRBLKSIZ) || (uio->uio_offset & (DIRBLKSIZ -1))) {
- IUNLOCK(ip);
+ lost = uio->uio_resid - count;
+ if (count < DIRBLKSIZ || (uio->uio_offset & (DIRBLKSIZ -1)))
return (EINVAL);
- }
uio->uio_resid = count;
uio->uio_iov->iov_len = count;
- error = readip(ip, uio, cred);
- *offp += count - uio->uio_resid;
- IUNLOCK(ip);
+ error = ufs_read(vp, uio, 0, cred);
+ uio->uio_resid += lost;
+ if ((VTOI(vp)->i_size - uio->uio_offset) <= 0)
+ *eofflagp = 1;
+ else
+ *eofflagp = 0;
return (error);
}
struct ucred *cred;
{
- return (readip(VTOI(vp), uiop, cred));
+ return (ufs_read(vp, uiop, 0, cred));
}
/*
* Ufs abort op, called after namei() when a CREATE/DELETE isn't actually
- * done. Iff ni_vp/ni_dvp not null and locked, unlock.
+ * done. Nothing to do at the moment.
*/
+/* ARGSUSED */
ufs_abortop(ndp)
- register struct nameidata *ndp;
+ struct nameidata *ndp;
{
- register struct inode *ip;
- if (ndp->ni_vp) {
- ip = VTOI(ndp->ni_vp);
- if (ip->i_flag & ILOCKED)
- IUNLOCK(ip);
- vrele(ndp->ni_vp);
- }
- if (ndp->ni_dvp) {
- ip = VTOI(ndp->ni_dvp);
- if (ip->i_flag & ILOCKED)
- IUNLOCK(ip);
- vrele(ndp->ni_dvp);
- }
- return;
+ return (0);
}
+/*
+ * Lock an inode.
+ */
ufs_lock(vp)
struct vnode *vp;
{
return (0);
}
+/*
+ * Unlock an inode.
+ */
ufs_unlock(vp)
struct vnode *vp;
{
return (0);
}
+/*
+ * Check for a locked inode.
+ */
+ufs_islocked(vp)
+ struct vnode *vp;
+{
+
+ if (VTOI(vp)->i_flag & ILOCKED)
+ return (1);
+ return (0);
+}
+
/*
* Get access to bmap
*/
*vpp = ip->i_devvp;
if (bnp == NULL)
return (0);
- return (bmap(ip, bn, bnp, (daddr_t *)0, (int *)0));
+ return (bmap(ip, bn, bnp));
}
/*
- * Just call the device strategy routine
+ * Calculate the logical to physical mapping if not done already,
+ * then call the device strategy routine.
*/
+int checkoverlap = 0;
+
ufs_strategy(bp)
register struct buf *bp;
{
- (*bdevsw[major(bp->b_dev)].d_strategy)(bp);
+ register struct inode *ip = VTOI(bp->b_vp);
+ struct vnode *vp;
+ int error;
+
+ if (bp->b_vp->v_type == VBLK || bp->b_vp->v_type == VCHR)
+ panic("ufs_strategy: spec");
+ if (bp->b_blkno == bp->b_lblkno) {
+ if (error = bmap(ip, bp->b_lblkno, &bp->b_blkno))
+ return (error);
+ if ((long)bp->b_blkno == -1)
+ clrbuf(bp);
+ }
+ if ((long)bp->b_blkno == -1) {
+ biodone(bp);
+ return (0);
+ }
+#ifdef DIAGNOSTIC
+ if (checkoverlap) {
+ register struct buf *ep;
+ struct buf *ebp;
+ daddr_t start, last;
+
+ ebp = &buf[nbuf];
+ start = bp->b_blkno;
+ last = start + btodb(bp->b_bcount) - 1;
+ for (ep = buf; ep < ebp; ep++) {
+ if (ep == bp || (ep->b_flags & B_INVAL) ||
+ ep->b_vp == NULLVP)
+ continue;
+ if (VOP_BMAP(ep->b_vp, (daddr_t)0, &vp, (daddr_t)0))
+ continue;
+ if (vp != ip->i_devvp)
+ continue;
+ /* look for overlap */
+ if (ep->b_bcount == 0 || ep->b_blkno > last ||
+ ep->b_blkno + btodb(ep->b_bcount) <= start)
+ continue;
+ vprint("Disk overlap", vp);
+ printf("\tstart %d, end %d overlap start %d, end %d\n",
+ start, last, ep->b_blkno,
+ ep->b_blkno + btodb(ep->b_bcount) - 1);
+ panic("Disk buffer overlap");
+ }
+ }
+#endif /* DIAGNOSTIC */
+ vp = ip->i_devvp;
+ bp->b_dev = vp->v_rdev;
+ (*(vp->v_op->vn_strategy))(bp);
return (0);
}
/*
- * Make a new file.
+ * Print out the contents of an inode.
+ */
+ufs_print(vp)
+ struct vnode *vp;
+{
+ register struct inode *ip = VTOI(vp);
+
+ printf("tag VT_UFS, ino %d, on dev %d, %d", ip->i_number,
+ major(ip->i_dev), minor(ip->i_dev));
+#ifdef FIFO
+ if (vp->v_type == VFIFO)
+ fifo_printinfo(vp);
+#endif /* FIFO */
+ printf("%s\n", (ip->i_flag & ILOCKED) ? " (LOCKED)" : "");
+ if (ip->i_spare0 == 0)
+ return;
+ printf("\towner pid %d", ip->i_spare0);
+ if (ip->i_spare1)
+ printf(" waiting pid %d", ip->i_spare1);
+ printf("\n");
+}
+
+/*
+ * Read wrapper for special devices.
+ */
+ufsspec_read(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+
+ /*
+ * Set access flag.
+ */
+ VTOI(vp)->i_flag |= IACC;
+ return (spec_read(vp, uio, ioflag, cred));
+}
+
+/*
+ * Write wrapper for special devices.
+ */
+ufsspec_write(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+
+ /*
+ * Set update and change flags.
+ */
+ VTOI(vp)->i_flag |= IUPD|ICHG;
+ return (spec_write(vp, uio, ioflag, cred));
+}
+
+/*
+ * Close wrapper for special devices.
+ *
+ * Update the times on the inode then do device close.
+ */
+ufsspec_close(vp, fflag, cred, p)
+ struct vnode *vp;
+ int fflag;
+ struct ucred *cred;
+ struct proc *p;
+{
+ register struct inode *ip = VTOI(vp);
+
+ if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED))
+ ITIMES(ip, &time, &time);
+ return (spec_close(vp, fflag, cred, p));
+}
+
+#ifdef FIFO
+/*
+ * Read wrapper for fifo's
+ */
+ufsfifo_read(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+
+ /*
+ * Set access flag.
+ */
+ VTOI(vp)->i_flag |= IACC;
+ return (fifo_read(vp, uio, ioflag, cred));
+}
+
+/*
+ * Write wrapper for fifo's.
+ */
+ufsfifo_write(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+
+ /*
+ * Set update and change flags.
+ */
+ VTOI(vp)->i_flag |= IUPD|ICHG;
+ return (fifo_write(vp, uio, ioflag, cred));
+}
+
+/*
+ * Close wrapper for fifo's.
+ *
+ * Update the times on the inode then do device close.
+ */
+ufsfifo_close(vp, fflag, cred, p)
+ struct vnode *vp;
+ int fflag;
+ struct ucred *cred;
+ struct proc *p;
+{
+ register struct inode *ip = VTOI(vp);
+
+ if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED))
+ ITIMES(ip, &time, &time);
+ return (fifo_close(vp, fflag, cred, p));
+}
+#endif /* FIFO */
+
+/*
+ * Allocate a new inode.
*/
maknode(mode, ndp, ipp)
int mode;
int error;
*ipp = 0;
+ if ((mode & IFMT) == 0)
+ mode |= IFREG;
if ((mode & IFMT) == IFDIR)
ipref = dirpref(pdir->i_fs);
else
ipref = pdir->i_number;
- error = ialloc(pdir, ipref, mode, &tip);
- if (error) {
+ if (error = ialloc(pdir, ipref, mode, ndp->ni_cred, &tip)) {
iput(pdir);
return (error);
}
ip = tip;
+ ip->i_uid = ndp->ni_cred->cr_uid;
+ ip->i_gid = pdir->i_gid;
#ifdef QUOTA
- if (ip->i_dquot != NODQUOT)
- panic("maknode: dquot");
+ if ((error = getinoquota(ip)) ||
+ (error = chkiq(ip, 1, ndp->ni_cred, 0))) {
+ ifree(ip, ip->i_number, mode);
+ iput(ip);
+ iput(pdir);
+ return (error);
+ }
#endif
ip->i_flag |= IACC|IUPD|ICHG;
- if ((mode & IFMT) == 0)
- mode |= IFREG;
ip->i_mode = mode;
ITOV(ip)->v_type = IFTOVT(mode); /* Rest init'd in iget() */
ip->i_nlink = 1;
- ip->i_uid = ndp->ni_cred->cr_uid;
- ip->i_gid = pdir->i_gid;
if ((ip->i_mode & ISGID) && !groupmember(ip->i_gid, ndp->ni_cred) &&
suser(ndp->ni_cred, NULL))
ip->i_mode &= ~ISGID;
-#ifdef QUOTA
- ip->i_dquot = inoquota(ip);
-#endif
/*
* Make sure inode goes to disk before directory entry.
*/
- if ((error = iupdat(ip, &time, &time, 1)) ||
- (error = direnter(ip, ndp))) {
+ if (error = iupdat(ip, &time, &time, 1))
+ goto bad;
+ if (error = direnter(ip, ndp))
+ goto bad;
+ iput(pdir);
+ *ipp = ip;
+ return (0);
+
+bad:
+ /*
+ * Write error occurred trying to update the inode
+ * or the directory so must deallocate the inode.
+ */
+ iput(pdir);
+ ip->i_nlink = 0;
+ ip->i_flag |= ICHG;
+ iput(ip);
+ return (error);
+}
+
+/*
+ * Advisory record locking support
+ */
+ufs_advlock(vp, id, op, fl, flags)
+ struct vnode *vp;
+ caddr_t id;
+ int op;
+ register struct flock *fl;
+ int flags;
+{
+ register struct inode *ip = VTOI(vp);
+ register struct lockf *lock;
+ off_t start, end;
+ int error;
+
+ /*
+ * Avoid the common case of unlocking when inode has no locks.
+ */
+ if (ip->i_lockf == (struct lockf *)0) {
+ if (op != F_SETLK) {
+ fl->l_type = F_UNLCK;
+ return (0);
+ }
+ }
+ /*
+ * Convert the flock structure into a start and end.
+ */
+ switch (fl->l_whence) {
+
+ case SEEK_SET:
+ case SEEK_CUR:
/*
- * Write error occurred trying to update the inode
- * or the directory so must deallocate the inode.
+ * Caller is responsible for adding any necessary offset
+ * when SEEK_CUR is used.
*/
- ip->i_nlink = 0;
- ip->i_flag |= ICHG;
- iput(ip);
+ start = fl->l_start;
+ break;
+
+ case SEEK_END:
+ start = ip->i_size + fl->l_start;
+ break;
+
+ default:
+ return (EINVAL);
+ }
+ if (start < 0)
+ return (EINVAL);
+ if (fl->l_len == 0)
+ end = -1;
+ else
+ end = start + fl->l_len - 1;
+ /*
+ * Create the lockf structure
+ */
+ MALLOC(lock, struct lockf *, sizeof *lock, M_LOCKF, M_WAITOK);
+ lock->lf_start = start;
+ lock->lf_end = end;
+ lock->lf_id = id;
+ lock->lf_inode = ip;
+ lock->lf_type = fl->l_type;
+ lock->lf_next = (struct lockf *)0;
+ lock->lf_block = (struct lockf *)0;
+ lock->lf_flags = flags;
+ /*
+ * Do the requested operation.
+ */
+ switch(op) {
+ case F_SETLK:
+ return (lf_setlock(lock));
+
+ case F_UNLCK:
+ error = lf_clearlock(lock);
+ FREE(lock, M_LOCKF);
return (error);
+
+ case F_GETLK:
+ error = lf_getlock(lock, fl);
+ FREE(lock, M_LOCKF);
+ return (error);
+
+ default:
+ free(lock, M_LOCKF);
+ return (EINVAL);
}
- *ipp = ip;
- return (0);
+ /* NOTREACHED */
}
+
+/*
+ * Global vfs data structures for ufs
+ */
+struct vnodeops ufs_vnodeops = {
+ ufs_lookup, /* lookup */
+ ufs_create, /* create */
+ ufs_mknod, /* mknod */
+ ufs_open, /* open */
+ ufs_close, /* close */
+ ufs_access, /* access */
+ ufs_getattr, /* getattr */
+ ufs_setattr, /* setattr */
+ ufs_read, /* read */
+ ufs_write, /* write */
+ ufs_ioctl, /* ioctl */
+ ufs_select, /* select */
+ ufs_mmap, /* mmap */
+ ufs_fsync, /* fsync */
+ ufs_seek, /* seek */
+ ufs_remove, /* remove */
+ ufs_link, /* link */
+ ufs_rename, /* rename */
+ ufs_mkdir, /* mkdir */
+ ufs_rmdir, /* rmdir */
+ ufs_symlink, /* symlink */
+ ufs_readdir, /* readdir */
+ ufs_readlink, /* readlink */
+ ufs_abortop, /* abortop */
+ ufs_inactive, /* inactive */
+ ufs_reclaim, /* reclaim */
+ ufs_lock, /* lock */
+ ufs_unlock, /* unlock */
+ ufs_bmap, /* bmap */
+ ufs_strategy, /* strategy */
+ ufs_print, /* print */
+ ufs_islocked, /* islocked */
+ ufs_advlock, /* advlock */
+};
+
+struct vnodeops spec_inodeops = {
+ spec_lookup, /* lookup */
+ spec_create, /* create */
+ spec_mknod, /* mknod */
+ spec_open, /* open */
+ ufsspec_close, /* close */
+ ufs_access, /* access */
+ ufs_getattr, /* getattr */
+ ufs_setattr, /* setattr */
+ ufsspec_read, /* read */
+ ufsspec_write, /* write */
+ spec_ioctl, /* ioctl */
+ spec_select, /* select */
+ spec_mmap, /* mmap */
+ spec_fsync, /* fsync */
+ spec_seek, /* seek */
+ spec_remove, /* remove */
+ spec_link, /* link */
+ spec_rename, /* rename */
+ spec_mkdir, /* mkdir */
+ spec_rmdir, /* rmdir */
+ spec_symlink, /* symlink */
+ spec_readdir, /* readdir */
+ spec_readlink, /* readlink */
+ spec_abortop, /* abortop */
+ ufs_inactive, /* inactive */
+ ufs_reclaim, /* reclaim */
+ ufs_lock, /* lock */
+ ufs_unlock, /* unlock */
+ spec_bmap, /* bmap */
+ spec_strategy, /* strategy */
+ ufs_print, /* print */
+ ufs_islocked, /* islocked */
+ spec_advlock, /* advlock */
+};
+
+#ifdef FIFO
+struct vnodeops fifo_inodeops = {
+ fifo_lookup, /* lookup */
+ fifo_create, /* create */
+ fifo_mknod, /* mknod */
+ fifo_open, /* open */
+ ufsfifo_close, /* close */
+ ufs_access, /* access */
+ ufs_getattr, /* getattr */
+ ufs_setattr, /* setattr */
+ ufsfifo_read, /* read */
+ ufsfifo_write, /* write */
+ fifo_ioctl, /* ioctl */
+ fifo_select, /* select */
+ fifo_mmap, /* mmap */
+ fifo_fsync, /* fsync */
+ fifo_seek, /* seek */
+ fifo_remove, /* remove */
+ fifo_link, /* link */
+ fifo_rename, /* rename */
+ fifo_mkdir, /* mkdir */
+ fifo_rmdir, /* rmdir */
+ fifo_symlink, /* symlink */
+ fifo_readdir, /* readdir */
+ fifo_readlink, /* readlink */
+ fifo_abortop, /* abortop */
+ ufs_inactive, /* inactive */
+ ufs_reclaim, /* reclaim */
+ ufs_lock, /* lock */
+ ufs_unlock, /* unlock */
+ fifo_bmap, /* bmap */
+ fifo_strategy, /* strategy */
+ ufs_print, /* print */
+ ufs_islocked, /* islocked */
+ fifo_advlock, /* advlock */
+};
+#endif /* FIFO */
+
+enum vtype iftovt_tab[16] = {
+ VNON, VFIFO, VCHR, VNON, VDIR, VNON, VBLK, VNON,
+ VREG, VNON, VLNK, VNON, VSOCK, VNON, VNON, VBAD,
+};
+int vttoif_tab[9] = {
+ 0, IFREG, IFDIR, IFBLK, IFCHR, IFLNK, IFSOCK, IFIFO, IFMT,
+};