2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1982, 1986, 1989, 1993, 1995
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
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36 * @(#)ufs_vnops.c 8.27 (Berkeley) 5/27/95
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
42 #include "opt_quota.h"
43 #include "opt_suiddir.h"
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/malloc.h>
50 #include <sys/namei.h>
51 #include <sys/kernel.h>
52 #include <sys/fcntl.h>
53 #include <sys/filio.h>
57 #include <sys/mount.h>
59 #include <sys/refcount.h>
60 #include <sys/unistd.h>
61 #include <sys/vnode.h>
62 #include <sys/dirent.h>
63 #include <sys/lockf.h>
67 #include <security/mac/mac_framework.h>
69 #include <sys/file.h> /* XXX */
72 #include <vm/vm_extern.h>
74 #include <ufs/ufs/acl.h>
75 #include <ufs/ufs/extattr.h>
76 #include <ufs/ufs/quota.h>
77 #include <ufs/ufs/inode.h>
78 #include <ufs/ufs/dir.h>
79 #include <ufs/ufs/ufsmount.h>
80 #include <ufs/ufs/ufs_extern.h>
82 #include <ufs/ufs/dirhash.h>
85 #include <ufs/ufs/gjournal.h>
86 FEATURE(ufs_gjournal, "Journaling support through GEOM for UFS");
90 FEATURE(ufs_quota, "UFS disk quotas support");
91 FEATURE(ufs_quota64, "64bit UFS disk quotas support");
96 "Give all new files in directory the same ownership as the directory");
100 #include <ufs/ffs/ffs_extern.h>
102 static vop_accessx_t ufs_accessx;
103 static int ufs_chmod(struct vnode *, int, struct ucred *, struct thread *);
104 static int ufs_chown(struct vnode *, uid_t, gid_t, struct ucred *, struct thread *);
105 static vop_close_t ufs_close;
106 static vop_create_t ufs_create;
107 static vop_getattr_t ufs_getattr;
108 static vop_ioctl_t ufs_ioctl;
109 static vop_link_t ufs_link;
110 static int ufs_makeinode(int mode, struct vnode *, struct vnode **, struct componentname *, const char *);
111 static vop_markatime_t ufs_markatime;
112 static vop_mkdir_t ufs_mkdir;
113 static vop_mknod_t ufs_mknod;
114 static vop_open_t ufs_open;
115 static vop_pathconf_t ufs_pathconf;
116 static vop_print_t ufs_print;
117 static vop_readlink_t ufs_readlink;
118 static vop_remove_t ufs_remove;
119 static vop_rename_t ufs_rename;
120 static vop_rmdir_t ufs_rmdir;
121 static vop_setattr_t ufs_setattr;
122 static vop_strategy_t ufs_strategy;
123 static vop_symlink_t ufs_symlink;
124 static vop_whiteout_t ufs_whiteout;
125 static vop_close_t ufsfifo_close;
126 static vop_kqfilter_t ufsfifo_kqfilter;
128 SYSCTL_NODE(_vfs, OID_AUTO, ufs, CTLFLAG_RD, 0, "UFS filesystem");
131 * A virgin directory (no blushing please).
133 static struct dirtemplate mastertemplate = {
134 0, 12, DT_DIR, 1, ".",
135 0, DIRBLKSIZ - 12, DT_DIR, 2, ".."
137 static struct odirtemplate omastertemplate = {
139 0, DIRBLKSIZ - 12, 2, ".."
143 ufs_itimes_locked(struct vnode *vp)
148 ASSERT_VI_LOCKED(vp, __func__);
153 if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) == 0)
156 if ((vp->v_type == VBLK || vp->v_type == VCHR) && !DOINGSOFTDEP(vp))
157 ip->i_flag |= IN_LAZYMOD;
158 else if (((vp->v_mount->mnt_kern_flag &
159 (MNTK_SUSPENDED | MNTK_SUSPEND)) == 0) ||
160 (ip->i_flag & (IN_CHANGE | IN_UPDATE)))
161 ip->i_flag |= IN_MODIFIED;
162 else if (ip->i_flag & IN_ACCESS)
163 ip->i_flag |= IN_LAZYACCESS;
165 if (ip->i_flag & IN_ACCESS) {
166 DIP_SET(ip, i_atime, ts.tv_sec);
167 DIP_SET(ip, i_atimensec, ts.tv_nsec);
169 if (ip->i_flag & IN_UPDATE) {
170 DIP_SET(ip, i_mtime, ts.tv_sec);
171 DIP_SET(ip, i_mtimensec, ts.tv_nsec);
173 if (ip->i_flag & IN_CHANGE) {
174 DIP_SET(ip, i_ctime, ts.tv_sec);
175 DIP_SET(ip, i_ctimensec, ts.tv_nsec);
176 DIP_SET(ip, i_modrev, DIP(ip, i_modrev) + 1);
180 ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE);
184 ufs_itimes(struct vnode *vp)
188 ufs_itimes_locked(vp);
193 * Create a regular file
197 struct vop_create_args /* {
199 struct vnode **a_vpp;
200 struct componentname *a_cnp;
207 ufs_makeinode(MAKEIMODE(ap->a_vap->va_type, ap->a_vap->va_mode),
208 ap->a_dvp, ap->a_vpp, ap->a_cnp, "ufs_create");
211 if ((ap->a_cnp->cn_flags & MAKEENTRY) != 0)
212 cache_enter(ap->a_dvp, *ap->a_vpp, ap->a_cnp);
222 struct vop_mknod_args /* {
224 struct vnode **a_vpp;
225 struct componentname *a_cnp;
229 struct vattr *vap = ap->a_vap;
230 struct vnode **vpp = ap->a_vpp;
235 error = ufs_makeinode(MAKEIMODE(vap->va_type, vap->va_mode),
236 ap->a_dvp, vpp, ap->a_cnp, "ufs_mknod");
240 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE;
241 if (vap->va_rdev != VNOVAL) {
243 * Want to be able to use this to make badblock
244 * inodes, so don't truncate the dev number.
246 DIP_SET(ip, i_rdev, vap->va_rdev);
249 * Remove inode, then reload it through VFS_VGET so it is
250 * checked to see if it is an alias of an existing entry in
251 * the inode cache. XXX I don't believe this is necessary now.
253 (*vpp)->v_type = VNON;
254 ino = ip->i_number; /* Save this before vgone() invalidates ip. */
257 error = VFS_VGET(ap->a_dvp->v_mount, ino, LK_EXCLUSIVE, vpp);
270 ufs_open(struct vop_open_args *ap)
272 struct vnode *vp = ap->a_vp;
275 if (vp->v_type == VCHR || vp->v_type == VBLK)
280 * Files marked append-only must be opened for appending.
282 if ((ip->i_flags & APPEND) &&
283 (ap->a_mode & (FWRITE | O_APPEND)) == FWRITE)
285 vnode_create_vobject(vp, DIP(ip, i_size), ap->a_td);
292 * Update the times on the inode.
297 struct vop_close_args /* {
300 struct ucred *a_cred;
304 struct vnode *vp = ap->a_vp;
308 usecount = vp->v_usecount;
310 ufs_itimes_locked(vp);
317 struct vop_accessx_args /* {
320 struct ucred *a_cred;
324 struct vnode *vp = ap->a_vp;
325 struct inode *ip = VTOI(vp);
326 accmode_t accmode = ap->a_accmode;
337 * Disallow write attempts on read-only filesystems;
338 * unless the file is a socket, fifo, or a block or
339 * character device resident on the filesystem.
341 if (accmode & VMODIFY_PERMS) {
342 switch (vp->v_type) {
346 if (vp->v_mount->mnt_flag & MNT_RDONLY)
350 * Inode is accounted in the quotas only if struct
351 * dquot is attached to it. VOP_ACCESS() is called
352 * from vn_open_cred() and provides a convenient
353 * point to call getinoquota().
355 if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
358 * Upgrade vnode lock, since getinoquota()
359 * requires exclusive lock to modify inode.
363 vn_lock(vp, LK_UPGRADE | LK_RETRY);
365 if (vp->v_iflag & VI_DOOMED) {
373 error = getinoquota(ip);
376 vn_lock(vp, LK_DOWNGRADE | LK_RETRY);
387 * If immutable bit set, nobody gets to write it. "& ~VADMIN_PERMS"
388 * permits the owner of the file to remove the IMMUTABLE flag.
390 if ((accmode & (VMODIFY_PERMS & ~VADMIN_PERMS)) &&
391 (ip->i_flags & (IMMUTABLE | SF_SNAPSHOT)))
395 if ((vp->v_mount->mnt_flag & (MNT_ACLS | MNT_NFS4ACLS)) != 0) {
396 if (vp->v_mount->mnt_flag & MNT_NFS4ACLS)
397 type = ACL_TYPE_NFS4;
399 type = ACL_TYPE_ACCESS;
401 acl = acl_alloc(M_WAITOK);
402 if (type == ACL_TYPE_NFS4)
403 error = ufs_getacl_nfs4_internal(vp, acl, ap->a_td);
405 error = VOP_GETACL(vp, type, acl, ap->a_cred, ap->a_td);
408 if (type == ACL_TYPE_NFS4) {
409 error = vaccess_acl_nfs4(vp->v_type, ip->i_uid,
410 ip->i_gid, acl, accmode, ap->a_cred, NULL);
412 error = vfs_unixify_accmode(&accmode);
414 error = vaccess_acl_posix1e(vp->v_type, ip->i_uid,
415 ip->i_gid, acl, accmode, ap->a_cred, NULL);
419 if (error != EOPNOTSUPP)
421 "ufs_accessx(): Error retrieving ACL on object (%d).\n",
424 * XXX: Fall back until debugged. Should
425 * eventually possibly log an error, and return
428 error = vfs_unixify_accmode(&accmode);
430 error = vaccess(vp->v_type, ip->i_mode, ip->i_uid,
431 ip->i_gid, accmode, ap->a_cred, NULL);
437 #endif /* !UFS_ACL */
438 error = vfs_unixify_accmode(&accmode);
440 error = vaccess(vp->v_type, ip->i_mode, ip->i_uid, ip->i_gid,
441 accmode, ap->a_cred, NULL);
448 struct vop_getattr_args /* {
451 struct ucred *a_cred;
454 struct vnode *vp = ap->a_vp;
455 struct inode *ip = VTOI(vp);
456 struct vattr *vap = ap->a_vap;
459 ufs_itimes_locked(vp);
461 vap->va_atime.tv_sec = ip->i_din1->di_atime;
462 vap->va_atime.tv_nsec = ip->i_din1->di_atimensec;
464 vap->va_atime.tv_sec = ip->i_din2->di_atime;
465 vap->va_atime.tv_nsec = ip->i_din2->di_atimensec;
469 * Copy from inode table
471 vap->va_fsid = dev2udev(ITOUMP(ip)->um_dev);
472 vap->va_fileid = ip->i_number;
473 vap->va_mode = ip->i_mode & ~IFMT;
474 vap->va_nlink = ip->i_effnlink;
475 vap->va_uid = ip->i_uid;
476 vap->va_gid = ip->i_gid;
478 vap->va_rdev = ip->i_din1->di_rdev;
479 vap->va_size = ip->i_din1->di_size;
480 vap->va_mtime.tv_sec = ip->i_din1->di_mtime;
481 vap->va_mtime.tv_nsec = ip->i_din1->di_mtimensec;
482 vap->va_ctime.tv_sec = ip->i_din1->di_ctime;
483 vap->va_ctime.tv_nsec = ip->i_din1->di_ctimensec;
484 vap->va_bytes = dbtob((u_quad_t)ip->i_din1->di_blocks);
485 vap->va_filerev = ip->i_din1->di_modrev;
487 vap->va_rdev = ip->i_din2->di_rdev;
488 vap->va_size = ip->i_din2->di_size;
489 vap->va_mtime.tv_sec = ip->i_din2->di_mtime;
490 vap->va_mtime.tv_nsec = ip->i_din2->di_mtimensec;
491 vap->va_ctime.tv_sec = ip->i_din2->di_ctime;
492 vap->va_ctime.tv_nsec = ip->i_din2->di_ctimensec;
493 vap->va_birthtime.tv_sec = ip->i_din2->di_birthtime;
494 vap->va_birthtime.tv_nsec = ip->i_din2->di_birthnsec;
495 vap->va_bytes = dbtob((u_quad_t)ip->i_din2->di_blocks);
496 vap->va_filerev = ip->i_din2->di_modrev;
498 vap->va_flags = ip->i_flags;
499 vap->va_gen = ip->i_gen;
500 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
501 vap->va_type = IFTOVT(ip->i_mode);
506 * Set attribute vnode op. called from several syscalls
510 struct vop_setattr_args /* {
513 struct ucred *a_cred;
516 struct vattr *vap = ap->a_vap;
517 struct vnode *vp = ap->a_vp;
518 struct inode *ip = VTOI(vp);
519 struct ucred *cred = ap->a_cred;
520 struct thread *td = curthread;
524 * Check for unsettable attributes.
526 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
527 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
528 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
529 ((int)vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
532 if (vap->va_flags != VNOVAL) {
533 if ((vap->va_flags & ~(SF_APPEND | SF_ARCHIVED | SF_IMMUTABLE |
534 SF_NOUNLINK | SF_SNAPSHOT | UF_APPEND | UF_ARCHIVE |
535 UF_HIDDEN | UF_IMMUTABLE | UF_NODUMP | UF_NOUNLINK |
536 UF_OFFLINE | UF_OPAQUE | UF_READONLY | UF_REPARSE |
537 UF_SPARSE | UF_SYSTEM)) != 0)
539 if (vp->v_mount->mnt_flag & MNT_RDONLY)
542 * Callers may only modify the file flags on objects they
543 * have VADMIN rights for.
545 if ((error = VOP_ACCESS(vp, VADMIN, cred, td)))
548 * Unprivileged processes are not permitted to unset system
549 * flags, or modify flags if any system flags are set.
550 * Privileged non-jail processes may not modify system flags
551 * if securelevel > 0 and any existing system flags are set.
552 * Privileged jail processes behave like privileged non-jail
553 * processes if the security.jail.chflags_allowed sysctl is
554 * is non-zero; otherwise, they behave like unprivileged
557 if (!priv_check_cred(cred, PRIV_VFS_SYSFLAGS, 0)) {
559 (SF_NOUNLINK | SF_IMMUTABLE | SF_APPEND)) {
560 error = securelevel_gt(cred, 0);
564 /* The snapshot flag cannot be toggled. */
565 if ((vap->va_flags ^ ip->i_flags) & SF_SNAPSHOT)
569 (SF_NOUNLINK | SF_IMMUTABLE | SF_APPEND) ||
570 ((vap->va_flags ^ ip->i_flags) & SF_SETTABLE))
573 ip->i_flags = vap->va_flags;
574 DIP_SET(ip, i_flags, vap->va_flags);
575 ip->i_flag |= IN_CHANGE;
576 error = UFS_UPDATE(vp, 0);
577 if (ip->i_flags & (IMMUTABLE | APPEND))
581 * If immutable or append, no one can change any of its attributes
582 * except the ones already handled (in some cases, file flags
583 * including the immutability flags themselves for the superuser).
585 if (ip->i_flags & (IMMUTABLE | APPEND))
588 * Go through the fields and update iff not VNOVAL.
590 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
591 if (vp->v_mount->mnt_flag & MNT_RDONLY)
593 if ((error = ufs_chown(vp, vap->va_uid, vap->va_gid, cred,
597 if (vap->va_size != VNOVAL) {
599 * XXX most of the following special cases should be in
600 * callers instead of in N filesystems. The VDIR check
603 switch (vp->v_type) {
609 * Truncation should have an effect in these cases.
610 * Disallow it if the filesystem is read-only or
611 * the file is being snapshotted.
613 if (vp->v_mount->mnt_flag & MNT_RDONLY)
615 if ((ip->i_flags & SF_SNAPSHOT) != 0)
620 * According to POSIX, the result is unspecified
621 * for file types other than regular files,
622 * directories and shared memory objects. We
623 * don't support shared memory objects in the file
624 * system, and have dubious support for truncating
625 * symlinks. Just ignore the request in other cases.
629 if ((error = UFS_TRUNCATE(vp, vap->va_size, IO_NORMAL |
630 ((vap->va_vaflags & VA_SYNC) != 0 ? IO_SYNC : 0),
634 if (vap->va_atime.tv_sec != VNOVAL ||
635 vap->va_mtime.tv_sec != VNOVAL ||
636 vap->va_birthtime.tv_sec != VNOVAL) {
637 if (vp->v_mount->mnt_flag & MNT_RDONLY)
639 if ((ip->i_flags & SF_SNAPSHOT) != 0)
641 error = vn_utimes_perm(vp, vap, cred, td);
644 ip->i_flag |= IN_CHANGE | IN_MODIFIED;
645 if (vap->va_atime.tv_sec != VNOVAL) {
646 ip->i_flag &= ~IN_ACCESS;
647 DIP_SET(ip, i_atime, vap->va_atime.tv_sec);
648 DIP_SET(ip, i_atimensec, vap->va_atime.tv_nsec);
650 if (vap->va_mtime.tv_sec != VNOVAL) {
651 ip->i_flag &= ~IN_UPDATE;
652 DIP_SET(ip, i_mtime, vap->va_mtime.tv_sec);
653 DIP_SET(ip, i_mtimensec, vap->va_mtime.tv_nsec);
655 if (vap->va_birthtime.tv_sec != VNOVAL && I_IS_UFS2(ip)) {
656 ip->i_din2->di_birthtime = vap->va_birthtime.tv_sec;
657 ip->i_din2->di_birthnsec = vap->va_birthtime.tv_nsec;
659 error = UFS_UPDATE(vp, 0);
664 if (vap->va_mode != (mode_t)VNOVAL) {
665 if (vp->v_mount->mnt_flag & MNT_RDONLY)
667 if ((ip->i_flags & SF_SNAPSHOT) != 0 && (vap->va_mode &
668 (S_IXUSR | S_IWUSR | S_IXGRP | S_IWGRP | S_IXOTH | S_IWOTH)))
670 error = ufs_chmod(vp, (int)vap->va_mode, cred, td);
677 ufs_update_nfs4_acl_after_mode_change(struct vnode *vp, int mode,
678 int file_owner_id, struct ucred *cred, struct thread *td)
683 aclp = acl_alloc(M_WAITOK);
684 error = ufs_getacl_nfs4_internal(vp, aclp, td);
686 * We don't have to handle EOPNOTSUPP here, as the filesystem claims
692 acl_nfs4_sync_acl_from_mode(aclp, mode, file_owner_id);
693 error = ufs_setacl_nfs4_internal(vp, aclp, td);
702 * Mark this file's access time for update for vfs_mark_atime(). This
703 * is called from execve() and mmap().
707 struct vop_markatime_args /* {
711 struct vnode *vp = ap->a_vp;
712 struct inode *ip = VTOI(vp);
715 ip->i_flag |= IN_ACCESS;
718 * XXXKIB No UFS_UPDATE(ap->a_vp, 0) there.
724 * Change the mode on a file.
725 * Inode must be locked before calling.
728 ufs_chmod(vp, mode, cred, td)
734 struct inode *ip = VTOI(vp);
738 * To modify the permissions on a file, must possess VADMIN
741 if ((error = VOP_ACCESSX(vp, VWRITE_ACL, cred, td)))
744 * Privileged processes may set the sticky bit on non-directories,
745 * as well as set the setgid bit on a file with a group that the
746 * process is not a member of. Both of these are allowed in
749 if (vp->v_type != VDIR && (mode & S_ISTXT)) {
750 if (priv_check_cred(cred, PRIV_VFS_STICKYFILE, 0))
753 if (!groupmember(ip->i_gid, cred) && (mode & ISGID)) {
754 error = priv_check_cred(cred, PRIV_VFS_SETGID, 0);
760 * Deny setting setuid if we are not the file owner.
762 if ((mode & ISUID) && ip->i_uid != cred->cr_uid) {
763 error = priv_check_cred(cred, PRIV_VFS_ADMIN, 0);
768 ip->i_mode &= ~ALLPERMS;
769 ip->i_mode |= (mode & ALLPERMS);
770 DIP_SET(ip, i_mode, ip->i_mode);
771 ip->i_flag |= IN_CHANGE;
773 if ((vp->v_mount->mnt_flag & MNT_NFS4ACLS) != 0)
774 error = ufs_update_nfs4_acl_after_mode_change(vp, mode, ip->i_uid, cred, td);
776 if (error == 0 && (ip->i_flag & IN_CHANGE) != 0)
777 error = UFS_UPDATE(vp, 0);
783 * Perform chown operation on inode ip;
784 * inode must be locked prior to call.
787 ufs_chown(vp, uid, gid, cred, td)
794 struct inode *ip = VTOI(vp);
803 if (uid == (uid_t)VNOVAL)
805 if (gid == (gid_t)VNOVAL)
808 * To modify the ownership of a file, must possess VADMIN for that
811 if ((error = VOP_ACCESSX(vp, VWRITE_OWNER, cred, td)))
814 * To change the owner of a file, or change the group of a file to a
815 * group of which we are not a member, the caller must have
818 if (((uid != ip->i_uid && uid != cred->cr_uid) ||
819 (gid != ip->i_gid && !groupmember(gid, cred))) &&
820 (error = priv_check_cred(cred, PRIV_VFS_CHOWN, 0)))
825 if ((error = getinoquota(ip)) != 0)
828 dqrele(vp, ip->i_dquot[USRQUOTA]);
829 ip->i_dquot[USRQUOTA] = NODQUOT;
832 dqrele(vp, ip->i_dquot[GRPQUOTA]);
833 ip->i_dquot[GRPQUOTA] = NODQUOT;
835 change = DIP(ip, i_blocks);
836 (void) chkdq(ip, -change, cred, CHOWN);
837 (void) chkiq(ip, -1, cred, CHOWN);
838 for (i = 0; i < MAXQUOTAS; i++) {
839 dqrele(vp, ip->i_dquot[i]);
840 ip->i_dquot[i] = NODQUOT;
844 DIP_SET(ip, i_gid, gid);
846 DIP_SET(ip, i_uid, uid);
848 if ((error = getinoquota(ip)) == 0) {
850 dqrele(vp, ip->i_dquot[USRQUOTA]);
851 ip->i_dquot[USRQUOTA] = NODQUOT;
854 dqrele(vp, ip->i_dquot[GRPQUOTA]);
855 ip->i_dquot[GRPQUOTA] = NODQUOT;
857 if ((error = chkdq(ip, change, cred, CHOWN)) == 0) {
858 if ((error = chkiq(ip, 1, cred, CHOWN)) == 0)
861 (void) chkdq(ip, -change, cred, CHOWN|FORCE);
863 for (i = 0; i < MAXQUOTAS; i++) {
864 dqrele(vp, ip->i_dquot[i]);
865 ip->i_dquot[i] = NODQUOT;
869 DIP_SET(ip, i_gid, ogid);
871 DIP_SET(ip, i_uid, ouid);
872 if (getinoquota(ip) == 0) {
874 dqrele(vp, ip->i_dquot[USRQUOTA]);
875 ip->i_dquot[USRQUOTA] = NODQUOT;
878 dqrele(vp, ip->i_dquot[GRPQUOTA]);
879 ip->i_dquot[GRPQUOTA] = NODQUOT;
881 (void) chkdq(ip, change, cred, FORCE|CHOWN);
882 (void) chkiq(ip, 1, cred, FORCE|CHOWN);
883 (void) getinoquota(ip);
888 panic("ufs_chown: lost quota");
890 ip->i_flag |= IN_CHANGE;
891 if ((ip->i_mode & (ISUID | ISGID)) && (ouid != uid || ogid != gid)) {
892 if (priv_check_cred(cred, PRIV_VFS_RETAINSUGID, 0)) {
893 ip->i_mode &= ~(ISUID | ISGID);
894 DIP_SET(ip, i_mode, ip->i_mode);
897 error = UFS_UPDATE(vp, 0);
903 struct vop_remove_args /* {
906 struct componentname *a_cnp;
910 struct vnode *vp = ap->a_vp;
911 struct vnode *dvp = ap->a_dvp;
917 if ((ip->i_flags & (NOUNLINK | IMMUTABLE | APPEND)) ||
918 (VTOI(dvp)->i_flags & APPEND)) {
923 ufs_gjournal_orphan(vp);
925 error = ufs_dirremove(dvp, ip, ap->a_cnp->cn_flags, 0);
926 if (ip->i_nlink <= 0)
927 vp->v_vflag |= VV_NOSYNC;
928 if ((ip->i_flags & SF_SNAPSHOT) != 0) {
930 * Avoid deadlock where another thread is trying to
931 * update the inodeblock for dvp and is waiting on
932 * snaplk. Temporary unlock the vnode lock for the
933 * unlinked file and sync the directory. This should
934 * allow vput() of the directory to not block later on
935 * while holding the snapshot vnode locked, assuming
936 * that the directory hasn't been unlinked too.
939 (void) VOP_FSYNC(dvp, MNT_WAIT, td);
940 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
947 print_bad_link_count(const char *funcname, struct vnode *dvp)
952 uprintf("%s: Bad link count %d on parent inode %jd in file system %s\n",
953 funcname, dip->i_effnlink, (intmax_t)dip->i_number,
954 dvp->v_mount->mnt_stat.f_mntonname);
962 struct vop_link_args /* {
963 struct vnode *a_tdvp;
965 struct componentname *a_cnp;
968 struct vnode *vp = ap->a_vp;
969 struct vnode *tdvp = ap->a_tdvp;
970 struct componentname *cnp = ap->a_cnp;
972 struct direct newdir;
976 if ((cnp->cn_flags & HASBUF) == 0)
977 panic("ufs_link: no name");
979 if (VTOI(tdvp)->i_effnlink < 2) {
980 print_bad_link_count("ufs_link", tdvp);
985 if (ip->i_nlink >= UFS_LINK_MAX) {
990 * The file may have been removed after namei droped the original
993 if (ip->i_effnlink == 0) {
997 if (ip->i_flags & (IMMUTABLE | APPEND)) {
1003 DIP_SET(ip, i_nlink, ip->i_nlink);
1004 ip->i_flag |= IN_CHANGE;
1005 if (DOINGSOFTDEP(vp))
1006 softdep_setup_link(VTOI(tdvp), ip);
1007 error = UFS_UPDATE(vp, !DOINGSOFTDEP(vp) && !DOINGASYNC(vp));
1009 ufs_makedirentry(ip, cnp, &newdir);
1010 error = ufs_direnter(tdvp, vp, &newdir, cnp, NULL, 0);
1016 DIP_SET(ip, i_nlink, ip->i_nlink);
1017 ip->i_flag |= IN_CHANGE;
1018 if (DOINGSOFTDEP(vp))
1019 softdep_revert_link(VTOI(tdvp), ip);
1026 * whiteout vnode call
1030 struct vop_whiteout_args /* {
1031 struct vnode *a_dvp;
1032 struct componentname *a_cnp;
1036 struct vnode *dvp = ap->a_dvp;
1037 struct componentname *cnp = ap->a_cnp;
1038 struct direct newdir;
1041 switch (ap->a_flags) {
1043 /* 4.4 format directories support whiteout operations */
1044 if (dvp->v_mount->mnt_maxsymlinklen > 0)
1046 return (EOPNOTSUPP);
1049 /* create a new directory whiteout */
1051 if ((cnp->cn_flags & SAVENAME) == 0)
1052 panic("ufs_whiteout: missing name");
1053 if (dvp->v_mount->mnt_maxsymlinklen <= 0)
1054 panic("ufs_whiteout: old format filesystem");
1057 newdir.d_ino = UFS_WINO;
1058 newdir.d_namlen = cnp->cn_namelen;
1059 bcopy(cnp->cn_nameptr, newdir.d_name, (unsigned)cnp->cn_namelen + 1);
1060 newdir.d_type = DT_WHT;
1061 error = ufs_direnter(dvp, NULL, &newdir, cnp, NULL, 0);
1065 /* remove an existing directory whiteout */
1067 if (dvp->v_mount->mnt_maxsymlinklen <= 0)
1068 panic("ufs_whiteout: old format filesystem");
1071 cnp->cn_flags &= ~DOWHITEOUT;
1072 error = ufs_dirremove(dvp, NULL, cnp->cn_flags, 0);
1075 panic("ufs_whiteout: unknown op");
1080 static volatile int rename_restarts;
1081 SYSCTL_INT(_vfs_ufs, OID_AUTO, rename_restarts, CTLFLAG_RD,
1082 __DEVOLATILE(int *, &rename_restarts), 0,
1083 "Times rename had to restart due to lock contention");
1086 * Rename system call.
1087 * rename("foo", "bar");
1090 * link("foo", "bar");
1092 * but ``atomically''. Can't do full commit without saving state in the
1093 * inode on disk which isn't feasible at this time. Best we can do is
1094 * always guarantee the target exists.
1096 * Basic algorithm is:
1098 * 1) Bump link count on source while we're linking it to the
1099 * target. This also ensure the inode won't be deleted out
1100 * from underneath us while we work (it may be truncated by
1101 * a concurrent `trunc' or `open' for creation).
1102 * 2) Link source to destination. If destination already exists,
1104 * 3) Unlink source reference to inode if still around. If a
1105 * directory was moved and the parent of the destination
1106 * is different from the source, patch the ".." entry in the
1111 struct vop_rename_args /* {
1112 struct vnode *a_fdvp;
1113 struct vnode *a_fvp;
1114 struct componentname *a_fcnp;
1115 struct vnode *a_tdvp;
1116 struct vnode *a_tvp;
1117 struct componentname *a_tcnp;
1120 struct vnode *tvp = ap->a_tvp;
1121 struct vnode *tdvp = ap->a_tdvp;
1122 struct vnode *fvp = ap->a_fvp;
1123 struct vnode *fdvp = ap->a_fdvp;
1125 struct componentname *tcnp = ap->a_tcnp;
1126 struct componentname *fcnp = ap->a_fcnp;
1127 struct thread *td = fcnp->cn_thread;
1128 struct inode *fip, *tip, *tdp, *fdp;
1129 struct direct newdir;
1131 int doingdirectory, newparent;
1137 if ((tcnp->cn_flags & HASBUF) == 0 ||
1138 (fcnp->cn_flags & HASBUF) == 0)
1139 panic("ufs_rename: no name");
1143 VOP_UNLOCK(tdvp, 0);
1144 if (tvp && tvp != tdvp)
1147 * Check for cross-device rename.
1149 if ((fvp->v_mount != tdvp->v_mount) ||
1150 (tvp && (fvp->v_mount != tvp->v_mount))) {
1157 * We need to acquire 2 to 4 locks depending on whether tvp is NULL
1158 * and fdvp and tdvp are the same directory. Subsequently we need
1159 * to double-check all paths and in the directory rename case we
1160 * need to verify that we are not creating a directory loop. To
1161 * handle this we acquire all but fdvp using non-blocking
1162 * acquisitions. If we fail to acquire any lock in the path we will
1163 * drop all held locks, acquire the new lock in a blocking fashion,
1164 * and then release it and restart the rename. This acquire/release
1165 * step ensures that we do not spin on a lock waiting for release.
1167 error = vn_lock(fdvp, LK_EXCLUSIVE);
1170 if (vn_lock(tdvp, LK_EXCLUSIVE | LK_NOWAIT) != 0) {
1171 VOP_UNLOCK(fdvp, 0);
1172 error = vn_lock(tdvp, LK_EXCLUSIVE);
1175 VOP_UNLOCK(tdvp, 0);
1176 atomic_add_int(&rename_restarts, 1);
1180 * Re-resolve fvp to be certain it still exists and fetch the
1183 error = ufs_lookup_ino(fdvp, NULL, fcnp, &ino);
1185 VOP_UNLOCK(fdvp, 0);
1186 VOP_UNLOCK(tdvp, 0);
1189 error = VFS_VGET(mp, ino, LK_EXCLUSIVE | LK_NOWAIT, &nvp);
1191 VOP_UNLOCK(fdvp, 0);
1192 VOP_UNLOCK(tdvp, 0);
1195 error = VFS_VGET(mp, ino, LK_EXCLUSIVE, &nvp);
1201 atomic_add_int(&rename_restarts, 1);
1207 * Re-resolve tvp and acquire the vnode lock if present.
1209 error = ufs_lookup_ino(tdvp, NULL, tcnp, &ino);
1210 if (error != 0 && error != EJUSTRETURN) {
1211 VOP_UNLOCK(fdvp, 0);
1212 VOP_UNLOCK(tdvp, 0);
1217 * If tvp disappeared we just carry on.
1219 if (error == EJUSTRETURN && tvp != NULL) {
1224 * Get the tvp ino if the lookup succeeded. We may have to restart
1225 * if the non-blocking acquire fails.
1229 error = VFS_VGET(mp, ino, LK_EXCLUSIVE | LK_NOWAIT, &nvp);
1234 VOP_UNLOCK(fdvp, 0);
1235 VOP_UNLOCK(tdvp, 0);
1239 error = VFS_VGET(mp, ino, LK_EXCLUSIVE, &nvp);
1243 atomic_add_int(&rename_restarts, 1);
1253 if (tvp && ((VTOI(tvp)->i_flags & (NOUNLINK | IMMUTABLE | APPEND)) ||
1254 (VTOI(tdvp)->i_flags & APPEND))) {
1259 * Renaming a file to itself has no effect. The upper layers should
1260 * not call us in that case. However, things could change after
1261 * we drop the locks above.
1269 ino = fip->i_number;
1270 if (fip->i_nlink >= UFS_LINK_MAX) {
1274 if ((fip->i_flags & (NOUNLINK | IMMUTABLE | APPEND))
1275 || (fdp->i_flags & APPEND)) {
1279 if ((fip->i_mode & IFMT) == IFDIR) {
1281 * Avoid ".", "..", and aliases of "." for obvious reasons.
1283 if ((fcnp->cn_namelen == 1 && fcnp->cn_nameptr[0] == '.') ||
1285 (fcnp->cn_flags | tcnp->cn_flags) & ISDOTDOT) {
1289 if (fdp->i_number != tdp->i_number)
1290 newparent = tdp->i_number;
1293 if ((fvp->v_type == VDIR && fvp->v_mountedhere != NULL) ||
1294 (tvp != NULL && tvp->v_type == VDIR &&
1295 tvp->v_mountedhere != NULL)) {
1301 * If ".." must be changed (ie the directory gets a new
1302 * parent) then the source directory must not be in the
1303 * directory hierarchy above the target, as this would
1304 * orphan everything below the source directory. Also
1305 * the user must have write permission in the source so
1306 * as to be able to change "..".
1308 if (doingdirectory && newparent) {
1309 error = VOP_ACCESS(fvp, VWRITE, tcnp->cn_cred, tcnp->cn_thread);
1312 error = ufs_checkpath(ino, fdp->i_number, tdp, tcnp->cn_cred,
1315 * We encountered a lock that we have to wait for. Unlock
1316 * everything else and VGET before restarting.
1319 VOP_UNLOCK(fdvp, 0);
1321 VOP_UNLOCK(tdvp, 0);
1324 error = VFS_VGET(mp, ino, LK_SHARED, &nvp);
1327 atomic_add_int(&rename_restarts, 1);
1332 if ((tcnp->cn_flags & SAVESTART) == 0)
1333 panic("ufs_rename: lost to startdir");
1335 if (fip->i_effnlink == 0 || fdp->i_effnlink == 0 ||
1336 tdp->i_effnlink == 0)
1337 panic("Bad effnlink fip %p, fdp %p, tdp %p", fip, fdp, tdp);
1340 * 1) Bump link count while we're moving stuff
1341 * around. If we crash somewhere before
1342 * completing our work, the link count
1343 * may be wrong, but correctable.
1347 DIP_SET(fip, i_nlink, fip->i_nlink);
1348 fip->i_flag |= IN_CHANGE;
1349 if (DOINGSOFTDEP(fvp))
1350 softdep_setup_link(tdp, fip);
1351 error = UFS_UPDATE(fvp, !DOINGSOFTDEP(fvp) && !DOINGASYNC(fvp));
1356 * 2) If target doesn't exist, link the target
1357 * to the source and unlink the source.
1358 * Otherwise, rewrite the target directory
1359 * entry to reference the source inode and
1360 * expunge the original entry's existence.
1363 if (ITODEV(tdp) != ITODEV(fip))
1364 panic("ufs_rename: EXDEV");
1365 if (doingdirectory && newparent) {
1367 * Account for ".." in new directory.
1368 * When source and destination have the same
1369 * parent we don't adjust the link count. The
1370 * actual link modification is completed when
1371 * .. is rewritten below.
1373 if (tdp->i_nlink >= UFS_LINK_MAX) {
1378 ufs_makedirentry(fip, tcnp, &newdir);
1379 error = ufs_direnter(tdvp, NULL, &newdir, tcnp, NULL, 1);
1382 /* Setup tdvp for directory compaction if needed. */
1383 if (tdp->i_count && tdp->i_endoff &&
1384 tdp->i_endoff < tdp->i_size)
1385 endoff = tdp->i_endoff;
1387 if (ITODEV(tip) != ITODEV(tdp) || ITODEV(tip) != ITODEV(fip))
1388 panic("ufs_rename: EXDEV");
1390 * Short circuit rename(foo, foo).
1392 if (tip->i_number == fip->i_number)
1393 panic("ufs_rename: same file");
1395 * If the parent directory is "sticky", then the caller
1396 * must possess VADMIN for the parent directory, or the
1397 * destination of the rename. This implements append-only
1400 if ((tdp->i_mode & S_ISTXT) &&
1401 VOP_ACCESS(tdvp, VADMIN, tcnp->cn_cred, td) &&
1402 VOP_ACCESS(tvp, VADMIN, tcnp->cn_cred, td)) {
1407 * Target must be empty if a directory and have no links
1408 * to it. Also, ensure source and target are compatible
1409 * (both directories, or both not directories).
1411 if ((tip->i_mode & IFMT) == IFDIR) {
1412 if ((tip->i_effnlink > 2) ||
1413 !ufs_dirempty(tip, tdp->i_number, tcnp->cn_cred)) {
1417 if (!doingdirectory) {
1422 } else if (doingdirectory) {
1426 if (doingdirectory) {
1429 if (DOINGSOFTDEP(tdvp))
1430 softdep_change_linkcnt(tdp);
1433 if (DOINGSOFTDEP(tvp))
1434 softdep_change_linkcnt(tip);
1436 error = ufs_dirrewrite(tdp, tip, fip->i_number,
1437 IFTODT(fip->i_mode),
1438 (doingdirectory && newparent) ? newparent : doingdirectory);
1440 if (doingdirectory) {
1443 if (DOINGSOFTDEP(tdvp))
1444 softdep_change_linkcnt(tdp);
1447 if (DOINGSOFTDEP(tvp))
1448 softdep_change_linkcnt(tip);
1451 if (doingdirectory && !DOINGSOFTDEP(tvp)) {
1453 * The only stuff left in the directory is "."
1454 * and "..". The "." reference is inconsequential
1455 * since we are quashing it. We have removed the "."
1456 * reference and the reference in the parent directory,
1457 * but there may be other hard links. The soft
1458 * dependency code will arrange to do these operations
1459 * after the parent directory entry has been deleted on
1460 * disk, so when running with that code we avoid doing
1465 DIP_SET(tdp, i_nlink, tdp->i_nlink);
1466 tdp->i_flag |= IN_CHANGE;
1469 DIP_SET(tip, i_nlink, tip->i_nlink);
1470 tip->i_flag |= IN_CHANGE;
1475 * 3) Unlink the source. We have to resolve the path again to
1476 * fixup the directory offset and count for ufs_dirremove.
1479 error = ufs_lookup_ino(fdvp, NULL, fcnp, &ino);
1481 panic("ufs_rename: from entry went away!");
1482 if (ino != fip->i_number)
1483 panic("ufs_rename: ino mismatch %ju != %ju\n",
1484 (uintmax_t)ino, (uintmax_t)fip->i_number);
1487 * If the source is a directory with a
1488 * new parent, the link count of the old
1489 * parent directory must be decremented
1490 * and ".." set to point to the new parent.
1492 if (doingdirectory && newparent) {
1494 * If tip exists we simply use its link, otherwise we must
1500 DIP_SET(tdp, i_nlink, tdp->i_nlink);
1501 tdp->i_flag |= IN_CHANGE;
1502 if (DOINGSOFTDEP(tdvp))
1503 softdep_setup_dotdot_link(tdp, fip);
1504 error = UFS_UPDATE(tdvp, !DOINGSOFTDEP(tdvp) &&
1506 /* Don't go to bad here as the new link exists. */
1509 } else if (DOINGSUJ(tdvp))
1510 /* Journal must account for each new link. */
1511 softdep_setup_dotdot_link(tdp, fip);
1512 fip->i_offset = mastertemplate.dot_reclen;
1513 ufs_dirrewrite(fip, fdp, newparent, DT_DIR, 0);
1516 error = ufs_dirremove(fdvp, fip, fcnp->cn_flags, 0);
1518 * The kern_renameat() looks up the fvp using the DELETE flag, which
1519 * causes the removal of the name cache entry for fvp.
1520 * As the relookup of the fvp is done in two steps:
1521 * ufs_lookup_ino() and then VFS_VGET(), another thread might do a
1522 * normal lookup of the from name just before the VFS_VGET() call,
1523 * causing the cache entry to be re-instantiated.
1525 * The same issue also applies to tvp if it exists as
1526 * otherwise we may have a stale name cache entry for the new
1527 * name that references the old i-node if it has other links
1528 * or open file descriptors.
1533 cache_purge_negative(tdvp);
1541 * If compaction or fsync was requested do it now that other locks
1542 * are no longer needed.
1544 if (error == 0 && endoff != 0) {
1545 error = UFS_TRUNCATE(tdvp, endoff, IO_NORMAL |
1546 (DOINGASYNC(tdvp) ? 0 : IO_SYNC), tcnp->cn_cred);
1549 "ufs_rename: failed to truncate, error %d\n",
1552 else if (tdp->i_dirhash != NULL)
1553 ufsdirhash_dirtrunc(tdp, endoff);
1556 * Even if the directory compaction failed, rename was
1557 * succesful. Do not propagate a UFS_TRUNCATE() error
1562 if (error == 0 && tdp->i_flag & IN_NEEDSYNC)
1563 error = VOP_FSYNC(tdvp, MNT_WAIT, td);
1570 DIP_SET(fip, i_nlink, fip->i_nlink);
1571 fip->i_flag |= IN_CHANGE;
1572 if (DOINGSOFTDEP(fvp))
1573 softdep_revert_link(tdp, fip);
1588 ufs_do_posix1e_acl_inheritance_dir(struct vnode *dvp, struct vnode *tvp,
1589 mode_t dmode, struct ucred *cred, struct thread *td)
1592 struct inode *ip = VTOI(tvp);
1593 struct acl *dacl, *acl;
1595 acl = acl_alloc(M_WAITOK);
1596 dacl = acl_alloc(M_WAITOK);
1599 * Retrieve default ACL from parent, if any.
1601 error = VOP_GETACL(dvp, ACL_TYPE_DEFAULT, acl, cred, td);
1605 * Retrieved a default ACL, so merge mode and ACL if
1606 * necessary. If the ACL is empty, fall through to
1607 * the "not defined or available" case.
1609 if (acl->acl_cnt != 0) {
1610 dmode = acl_posix1e_newfilemode(dmode, acl);
1612 DIP_SET(ip, i_mode, dmode);
1614 ufs_sync_acl_from_inode(ip, acl);
1621 * Just use the mode as-is.
1624 DIP_SET(ip, i_mode, dmode);
1633 * XXX: If we abort now, will Soft Updates notify the extattr
1634 * code that the EAs for the file need to be released?
1636 error = VOP_SETACL(tvp, ACL_TYPE_ACCESS, acl, cred, td);
1638 error = VOP_SETACL(tvp, ACL_TYPE_DEFAULT, dacl, cred, td);
1645 * XXX: This should not happen, as EOPNOTSUPP above
1646 * was supposed to free acl.
1648 printf("ufs_mkdir: VOP_GETACL() but no VOP_SETACL()\n");
1650 panic("ufs_mkdir: VOP_GETACL() but no VOP_SETACL()");
1666 ufs_do_posix1e_acl_inheritance_file(struct vnode *dvp, struct vnode *tvp,
1667 mode_t mode, struct ucred *cred, struct thread *td)
1670 struct inode *ip = VTOI(tvp);
1673 acl = acl_alloc(M_WAITOK);
1676 * Retrieve default ACL for parent, if any.
1678 error = VOP_GETACL(dvp, ACL_TYPE_DEFAULT, acl, cred, td);
1682 * Retrieved a default ACL, so merge mode and ACL if
1685 if (acl->acl_cnt != 0) {
1687 * Two possible ways for default ACL to not
1688 * be present. First, the EA can be
1689 * undefined, or second, the default ACL can
1690 * be blank. If it's blank, fall through to
1691 * the it's not defined case.
1693 mode = acl_posix1e_newfilemode(mode, acl);
1695 DIP_SET(ip, i_mode, mode);
1696 ufs_sync_acl_from_inode(ip, acl);
1703 * Just use the mode as-is.
1706 DIP_SET(ip, i_mode, mode);
1715 * XXX: If we abort now, will Soft Updates notify the extattr
1716 * code that the EAs for the file need to be released?
1718 error = VOP_SETACL(tvp, ACL_TYPE_ACCESS, acl, cred, td);
1725 * XXX: This should not happen, as EOPNOTSUPP above was
1726 * supposed to free acl.
1728 printf("ufs_do_posix1e_acl_inheritance_file: VOP_GETACL() "
1729 "but no VOP_SETACL()\n");
1730 /* panic("ufs_do_posix1e_acl_inheritance_file: VOP_GETACL() "
1731 "but no VOP_SETACL()"); */
1745 ufs_do_nfs4_acl_inheritance(struct vnode *dvp, struct vnode *tvp,
1746 mode_t child_mode, struct ucred *cred, struct thread *td)
1749 struct acl *parent_aclp, *child_aclp;
1751 parent_aclp = acl_alloc(M_WAITOK);
1752 child_aclp = acl_alloc(M_WAITOK | M_ZERO);
1754 error = ufs_getacl_nfs4_internal(dvp, parent_aclp, td);
1757 acl_nfs4_compute_inherited_acl(parent_aclp, child_aclp,
1758 child_mode, VTOI(tvp)->i_uid, tvp->v_type == VDIR);
1759 error = ufs_setacl_nfs4_internal(tvp, child_aclp, td);
1763 acl_free(parent_aclp);
1764 acl_free(child_aclp);
1775 struct vop_mkdir_args /* {
1776 struct vnode *a_dvp;
1777 struct vnode **a_vpp;
1778 struct componentname *a_cnp;
1779 struct vattr *a_vap;
1782 struct vnode *dvp = ap->a_dvp;
1783 struct vattr *vap = ap->a_vap;
1784 struct componentname *cnp = ap->a_cnp;
1785 struct inode *ip, *dp;
1788 struct dirtemplate dirtemplate, *dtp;
1789 struct direct newdir;
1794 if ((cnp->cn_flags & HASBUF) == 0)
1795 panic("ufs_mkdir: no name");
1798 if (dp->i_nlink >= UFS_LINK_MAX) {
1802 dmode = vap->va_mode & 0777;
1805 * Must simulate part of ufs_makeinode here to acquire the inode,
1806 * but not have it entered in the parent directory. The entry is
1807 * made later after writing "." and ".." entries.
1809 if (dp->i_effnlink < 2) {
1810 print_bad_link_count("ufs_mkdir", dvp);
1814 error = UFS_VALLOC(dvp, dmode, cnp->cn_cred, &tvp);
1818 ip->i_gid = dp->i_gid;
1819 DIP_SET(ip, i_gid, dp->i_gid);
1823 struct ucred ucred, *ucp;
1828 * If we are hacking owners here, (only do this where told to)
1829 * and we are not giving it TO root, (would subvert quotas)
1830 * then go ahead and give it to the other user.
1831 * The new directory also inherits the SUID bit.
1832 * If user's UID and dir UID are the same,
1833 * 'give it away' so that the SUID is still forced on.
1835 if ((dvp->v_mount->mnt_flag & MNT_SUIDDIR) &&
1836 (dp->i_mode & ISUID) && dp->i_uid) {
1838 ip->i_uid = dp->i_uid;
1839 DIP_SET(ip, i_uid, dp->i_uid);
1841 if (dp->i_uid != cnp->cn_cred->cr_uid) {
1843 * Make sure the correct user gets charged
1845 * Make a dummy credential for the victim.
1846 * XXX This seems to never be accessed out of
1847 * our context so a stack variable is ok.
1849 refcount_init(&ucred.cr_ref, 1);
1850 ucred.cr_uid = ip->i_uid;
1851 ucred.cr_ngroups = 1;
1852 ucred.cr_groups = &ucred_group;
1853 ucred.cr_groups[0] = dp->i_gid;
1858 ip->i_uid = cnp->cn_cred->cr_uid;
1859 DIP_SET(ip, i_uid, ip->i_uid);
1862 if ((error = getinoquota(ip)) ||
1863 (error = chkiq(ip, 1, ucp, 0))) {
1864 if (DOINGSOFTDEP(tvp))
1865 softdep_revert_link(dp, ip);
1866 UFS_VFREE(tvp, ip->i_number, dmode);
1872 #else /* !SUIDDIR */
1873 ip->i_uid = cnp->cn_cred->cr_uid;
1874 DIP_SET(ip, i_uid, ip->i_uid);
1876 if ((error = getinoquota(ip)) ||
1877 (error = chkiq(ip, 1, cnp->cn_cred, 0))) {
1878 if (DOINGSOFTDEP(tvp))
1879 softdep_revert_link(dp, ip);
1880 UFS_VFREE(tvp, ip->i_number, dmode);
1885 #endif /* !SUIDDIR */
1886 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE;
1888 DIP_SET(ip, i_mode, dmode);
1889 tvp->v_type = VDIR; /* Rest init'd in getnewvnode(). */
1892 DIP_SET(ip, i_nlink, 2);
1894 if (cnp->cn_flags & ISWHITEOUT) {
1895 ip->i_flags |= UF_OPAQUE;
1896 DIP_SET(ip, i_flags, ip->i_flags);
1900 * Bump link count in parent directory to reflect work done below.
1901 * Should be done before reference is created so cleanup is
1902 * possible if we crash.
1906 DIP_SET(dp, i_nlink, dp->i_nlink);
1907 dp->i_flag |= IN_CHANGE;
1908 if (DOINGSOFTDEP(dvp))
1909 softdep_setup_mkdir(dp, ip);
1910 error = UFS_UPDATE(dvp, !DOINGSOFTDEP(dvp) && !DOINGASYNC(dvp));
1914 if (dvp->v_mount->mnt_flag & MNT_MULTILABEL) {
1915 error = mac_vnode_create_extattr(cnp->cn_cred, dvp->v_mount,
1922 if (dvp->v_mount->mnt_flag & MNT_ACLS) {
1923 error = ufs_do_posix1e_acl_inheritance_dir(dvp, tvp, dmode,
1924 cnp->cn_cred, cnp->cn_thread);
1927 } else if (dvp->v_mount->mnt_flag & MNT_NFS4ACLS) {
1928 error = ufs_do_nfs4_acl_inheritance(dvp, tvp, dmode,
1929 cnp->cn_cred, cnp->cn_thread);
1933 #endif /* !UFS_ACL */
1936 * Initialize directory with "." and ".." from static template.
1938 if (dvp->v_mount->mnt_maxsymlinklen > 0)
1939 dtp = &mastertemplate;
1941 dtp = (struct dirtemplate *)&omastertemplate;
1943 dirtemplate.dot_ino = ip->i_number;
1944 dirtemplate.dotdot_ino = dp->i_number;
1945 vnode_pager_setsize(tvp, DIRBLKSIZ);
1946 if ((error = UFS_BALLOC(tvp, (off_t)0, DIRBLKSIZ, cnp->cn_cred,
1947 BA_CLRBUF, &bp)) != 0)
1949 ip->i_size = DIRBLKSIZ;
1950 DIP_SET(ip, i_size, DIRBLKSIZ);
1951 ip->i_flag |= IN_CHANGE | IN_UPDATE;
1952 bcopy((caddr_t)&dirtemplate, (caddr_t)bp->b_data, sizeof dirtemplate);
1953 if (DOINGSOFTDEP(tvp)) {
1955 * Ensure that the entire newly allocated block is a
1956 * valid directory so that future growth within the
1957 * block does not have to ensure that the block is
1958 * written before the inode.
1961 while (blkoff < bp->b_bcount) {
1963 (bp->b_data + blkoff))->d_reclen = DIRBLKSIZ;
1964 blkoff += DIRBLKSIZ;
1967 if ((error = UFS_UPDATE(tvp, !DOINGSOFTDEP(tvp) &&
1968 !DOINGASYNC(tvp))) != 0) {
1973 * Directory set up, now install its entry in the parent directory.
1975 * If we are not doing soft dependencies, then we must write out the
1976 * buffer containing the new directory body before entering the new
1977 * name in the parent. If we are doing soft dependencies, then the
1978 * buffer containing the new directory body will be passed to and
1979 * released in the soft dependency code after the code has attached
1980 * an appropriate ordering dependency to the buffer which ensures that
1981 * the buffer is written before the new name is written in the parent.
1983 if (DOINGASYNC(dvp))
1985 else if (!DOINGSOFTDEP(dvp) && ((error = bwrite(bp))))
1987 ufs_makedirentry(ip, cnp, &newdir);
1988 error = ufs_direnter(dvp, tvp, &newdir, cnp, bp, 0);
1996 DIP_SET(dp, i_nlink, dp->i_nlink);
1997 dp->i_flag |= IN_CHANGE;
1999 * No need to do an explicit VOP_TRUNCATE here, vrele will
2000 * do this for us because we set the link count to 0.
2004 DIP_SET(ip, i_nlink, 0);
2005 ip->i_flag |= IN_CHANGE;
2006 if (DOINGSOFTDEP(tvp))
2007 softdep_revert_mkdir(dp, ip);
2016 * Rmdir system call.
2020 struct vop_rmdir_args /* {
2021 struct vnode *a_dvp;
2023 struct componentname *a_cnp;
2026 struct vnode *vp = ap->a_vp;
2027 struct vnode *dvp = ap->a_dvp;
2028 struct componentname *cnp = ap->a_cnp;
2029 struct inode *ip, *dp;
2036 * Do not remove a directory that is in the process of being renamed.
2037 * Verify the directory is empty (and valid). Rmdir ".." will not be
2038 * valid since ".." will contain a reference to the current directory
2039 * and thus be non-empty. Do not allow the removal of mounted on
2040 * directories (this can happen when an NFS exported filesystem
2041 * tries to remove a locally mounted on directory).
2044 if (dp->i_effnlink <= 2) {
2045 if (dp->i_effnlink == 2)
2046 print_bad_link_count("ufs_rmdir", dvp);
2050 if (!ufs_dirempty(ip, dp->i_number, cnp->cn_cred)) {
2054 if ((dp->i_flags & APPEND)
2055 || (ip->i_flags & (NOUNLINK | IMMUTABLE | APPEND))) {
2059 if (vp->v_mountedhere != 0) {
2064 ufs_gjournal_orphan(vp);
2067 * Delete reference to directory before purging
2068 * inode. If we crash in between, the directory
2069 * will be reattached to lost+found,
2073 if (DOINGSOFTDEP(vp))
2074 softdep_setup_rmdir(dp, ip);
2075 error = ufs_dirremove(dvp, ip, cnp->cn_flags, 1);
2079 if (DOINGSOFTDEP(vp))
2080 softdep_revert_rmdir(dp, ip);
2085 * The only stuff left in the directory is "." and "..". The "."
2086 * reference is inconsequential since we are quashing it. The soft
2087 * dependency code will arrange to do these operations after
2088 * the parent directory entry has been deleted on disk, so
2089 * when running with that code we avoid doing them now.
2091 if (!DOINGSOFTDEP(vp)) {
2093 DIP_SET(dp, i_nlink, dp->i_nlink);
2094 dp->i_flag |= IN_CHANGE;
2095 error = UFS_UPDATE(dvp, 0);
2097 DIP_SET(ip, i_nlink, ip->i_nlink);
2098 ip->i_flag |= IN_CHANGE;
2102 /* Kill any active hash; i_effnlink == 0, so it will not come back. */
2103 if (ip->i_dirhash != NULL)
2104 ufsdirhash_free(ip);
2111 * symlink -- make a symbolic link
2115 struct vop_symlink_args /* {
2116 struct vnode *a_dvp;
2117 struct vnode **a_vpp;
2118 struct componentname *a_cnp;
2119 struct vattr *a_vap;
2123 struct vnode *vp, **vpp = ap->a_vpp;
2127 error = ufs_makeinode(IFLNK | ap->a_vap->va_mode, ap->a_dvp,
2128 vpp, ap->a_cnp, "ufs_symlink");
2132 len = strlen(ap->a_target);
2133 if (len < vp->v_mount->mnt_maxsymlinklen) {
2135 bcopy(ap->a_target, SHORTLINK(ip), len);
2137 DIP_SET(ip, i_size, len);
2138 ip->i_flag |= IN_CHANGE | IN_UPDATE;
2139 error = UFS_UPDATE(vp, 0);
2141 error = vn_rdwr(UIO_WRITE, vp, ap->a_target, len, (off_t)0,
2142 UIO_SYSSPACE, IO_NODELOCKED | IO_NOMACCHECK,
2143 ap->a_cnp->cn_cred, NOCRED, NULL, NULL);
2150 * Vnode op for reading directories.
2154 struct vop_readdir_args /* {
2157 struct ucred *a_cred;
2163 struct vnode *vp = ap->a_vp;
2164 struct uio *uio = ap->a_uio;
2167 struct direct *dp, *edp;
2169 struct dirent dstdp;
2170 off_t offset, startoffset;
2171 size_t readcnt, skipcnt;
2176 if (uio->uio_offset < 0)
2179 if (ip->i_effnlink == 0)
2181 if (ap->a_ncookies != NULL) {
2182 if (uio->uio_resid < 0)
2185 ncookies = uio->uio_resid;
2186 if (uio->uio_offset >= ip->i_size)
2188 else if (ip->i_size - uio->uio_offset < ncookies)
2189 ncookies = ip->i_size - uio->uio_offset;
2190 ncookies = ncookies / (offsetof(struct direct, d_name) + 4) + 1;
2191 cookies = malloc(ncookies * sizeof(*cookies), M_TEMP, M_WAITOK);
2192 *ap->a_ncookies = ncookies;
2193 *ap->a_cookies = cookies;
2198 offset = startoffset = uio->uio_offset;
2199 startresid = uio->uio_resid;
2201 while (error == 0 && uio->uio_resid > 0 &&
2202 uio->uio_offset < ip->i_size) {
2203 error = ffs_blkatoff(vp, uio->uio_offset, NULL, &bp);
2206 if (bp->b_offset + bp->b_bcount > ip->i_size)
2207 readcnt = ip->i_size - bp->b_offset;
2209 readcnt = bp->b_bcount;
2210 skipcnt = (size_t)(uio->uio_offset - bp->b_offset) &
2211 ~(size_t)(DIRBLKSIZ - 1);
2212 offset = bp->b_offset + skipcnt;
2213 dp = (struct direct *)&bp->b_data[skipcnt];
2214 edp = (struct direct *)&bp->b_data[readcnt];
2215 while (error == 0 && uio->uio_resid > 0 && dp < edp) {
2216 if (dp->d_reclen <= offsetof(struct direct, d_name) ||
2217 (caddr_t)dp + dp->d_reclen > (caddr_t)edp) {
2221 #if BYTE_ORDER == LITTLE_ENDIAN
2222 /* Old filesystem format. */
2223 if (vp->v_mount->mnt_maxsymlinklen <= 0) {
2224 dstdp.d_namlen = dp->d_type;
2225 dstdp.d_type = dp->d_namlen;
2229 dstdp.d_namlen = dp->d_namlen;
2230 dstdp.d_type = dp->d_type;
2232 if (offsetof(struct direct, d_name) + dstdp.d_namlen >
2237 if (offset < startoffset || dp->d_ino == 0)
2239 dstdp.d_fileno = dp->d_ino;
2240 dstdp.d_reclen = GENERIC_DIRSIZ(&dstdp);
2241 bcopy(dp->d_name, dstdp.d_name, dstdp.d_namlen);
2242 dstdp.d_name[dstdp.d_namlen] = '\0';
2243 if (dstdp.d_reclen > uio->uio_resid) {
2244 if (uio->uio_resid == startresid)
2247 error = EJUSTRETURN;
2251 error = uiomove((caddr_t)&dstdp, dstdp.d_reclen, uio);
2254 if (cookies != NULL) {
2255 KASSERT(ncookies > 0,
2256 ("ufs_readdir: cookies buffer too small"));
2257 *cookies = offset + dp->d_reclen;
2262 offset += dp->d_reclen;
2263 dp = (struct direct *)((caddr_t)dp + dp->d_reclen);
2266 uio->uio_offset = offset;
2268 /* We need to correct uio_offset. */
2269 uio->uio_offset = offset;
2270 if (error == EJUSTRETURN)
2272 if (ap->a_ncookies != NULL) {
2274 ap->a_ncookies -= ncookies;
2276 free(*ap->a_cookies, M_TEMP);
2277 *ap->a_ncookies = 0;
2278 *ap->a_cookies = NULL;
2281 if (error == 0 && ap->a_eofflag)
2282 *ap->a_eofflag = ip->i_size <= uio->uio_offset;
2287 * Return target name of a symbolic link
2291 struct vop_readlink_args /* {
2294 struct ucred *a_cred;
2297 struct vnode *vp = ap->a_vp;
2298 struct inode *ip = VTOI(vp);
2302 if ((isize < vp->v_mount->mnt_maxsymlinklen) ||
2303 DIP(ip, i_blocks) == 0) { /* XXX - for old fastlink support */
2304 return (uiomove(SHORTLINK(ip), isize, ap->a_uio));
2306 return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred));
2310 * Calculate the logical to physical mapping if not done already,
2311 * then call the device strategy routine.
2313 * In order to be able to swap to a file, the ufs_bmaparray() operation may not
2314 * deadlock on memory. See ufs_bmap() for details.
2318 struct vop_strategy_args /* {
2323 struct buf *bp = ap->a_bp;
2324 struct vnode *vp = ap->a_vp;
2328 if (bp->b_blkno == bp->b_lblkno) {
2329 error = ufs_bmaparray(vp, bp->b_lblkno, &blkno, bp, NULL, NULL);
2330 bp->b_blkno = blkno;
2332 bp->b_error = error;
2333 bp->b_ioflags |= BIO_ERROR;
2337 if ((long)bp->b_blkno == -1)
2340 if ((long)bp->b_blkno == -1) {
2344 bp->b_iooffset = dbtob(bp->b_blkno);
2345 BO_STRATEGY(VFSTOUFS(vp->v_mount)->um_bo, bp);
2350 * Print out the contents of an inode.
2354 struct vop_print_args /* {
2358 struct vnode *vp = ap->a_vp;
2359 struct inode *ip = VTOI(vp);
2361 printf("\tino %lu, on dev %s", (u_long)ip->i_number,
2362 devtoname(ITODEV(ip)));
2363 if (vp->v_type == VFIFO)
2370 * Close wrapper for fifos.
2372 * Update the times on the inode then do device close.
2376 struct vop_close_args /* {
2379 struct ucred *a_cred;
2380 struct thread *a_td;
2383 struct vnode *vp = ap->a_vp;
2387 usecount = vp->v_usecount;
2389 ufs_itimes_locked(vp);
2391 return (fifo_specops.vop_close(ap));
2395 * Kqfilter wrapper for fifos.
2397 * Fall through to ufs kqfilter routines if needed
2400 ufsfifo_kqfilter(ap)
2401 struct vop_kqfilter_args *ap;
2405 error = fifo_specops.vop_kqfilter(ap);
2407 error = vfs_kqfilter(ap);
2412 * Return POSIX pathconf information applicable to ufs filesystems.
2416 struct vop_pathconf_args /* {
2425 switch (ap->a_name) {
2427 *ap->a_retval = UFS_LINK_MAX;
2430 *ap->a_retval = UFS_MAXNAMLEN;
2433 if (ap->a_vp->v_type == VDIR || ap->a_vp->v_type == VFIFO)
2434 *ap->a_retval = PIPE_BUF;
2438 case _PC_CHOWN_RESTRICTED:
2444 case _PC_ACL_EXTENDED:
2446 if (ap->a_vp->v_mount->mnt_flag & MNT_ACLS)
2457 if (ap->a_vp->v_mount->mnt_flag & MNT_NFS4ACLS)
2466 case _PC_ACL_PATH_MAX:
2468 if (ap->a_vp->v_mount->mnt_flag & (MNT_ACLS | MNT_NFS4ACLS))
2469 *ap->a_retval = ACL_MAX_ENTRIES;
2476 case _PC_MAC_PRESENT:
2478 if (ap->a_vp->v_mount->mnt_flag & MNT_MULTILABEL)
2486 case _PC_MIN_HOLE_SIZE:
2487 *ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
2495 case _PC_ALLOC_SIZE_MIN:
2496 *ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_bsize;
2498 case _PC_FILESIZEBITS:
2501 case _PC_REC_INCR_XFER_SIZE:
2502 *ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
2504 case _PC_REC_MAX_XFER_SIZE:
2505 *ap->a_retval = -1; /* means ``unlimited'' */
2507 case _PC_REC_MIN_XFER_SIZE:
2508 *ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
2510 case _PC_REC_XFER_ALIGN:
2511 *ap->a_retval = PAGE_SIZE;
2513 case _PC_SYMLINK_MAX:
2514 *ap->a_retval = MAXPATHLEN;
2518 error = vop_stdpathconf(ap);
2525 * Initialize the vnode associated with a new inode, handle aliased
2529 ufs_vinit(mntp, fifoops, vpp)
2531 struct vop_vector *fifoops;
2539 vp->v_type = IFTOVT(ip->i_mode);
2540 if (vp->v_type == VFIFO)
2542 ASSERT_VOP_LOCKED(vp, "ufs_vinit");
2543 if (ip->i_number == UFS_ROOTINO)
2544 vp->v_vflag |= VV_ROOT;
2550 * Allocate a new inode.
2551 * Vnode dvp must be locked.
2554 ufs_makeinode(mode, dvp, vpp, cnp, callfunc)
2558 struct componentname *cnp;
2559 const char *callfunc;
2561 struct inode *ip, *pdir;
2562 struct direct newdir;
2568 if ((cnp->cn_flags & HASBUF) == 0)
2569 panic("%s: no name", callfunc);
2572 if ((mode & IFMT) == 0)
2575 if (pdir->i_effnlink < 2) {
2576 print_bad_link_count(callfunc, dvp);
2579 error = UFS_VALLOC(dvp, mode, cnp->cn_cred, &tvp);
2583 ip->i_gid = pdir->i_gid;
2584 DIP_SET(ip, i_gid, pdir->i_gid);
2588 struct ucred ucred, *ucp;
2593 * If we are not the owner of the directory,
2594 * and we are hacking owners here, (only do this where told to)
2595 * and we are not giving it TO root, (would subvert quotas)
2596 * then go ahead and give it to the other user.
2597 * Note that this drops off the execute bits for security.
2599 if ((dvp->v_mount->mnt_flag & MNT_SUIDDIR) &&
2600 (pdir->i_mode & ISUID) &&
2601 (pdir->i_uid != cnp->cn_cred->cr_uid) && pdir->i_uid) {
2602 ip->i_uid = pdir->i_uid;
2603 DIP_SET(ip, i_uid, ip->i_uid);
2607 * Make sure the correct user gets charged
2609 * Quickly knock up a dummy credential for the victim.
2610 * XXX This seems to never be accessed out of our
2611 * context so a stack variable is ok.
2613 refcount_init(&ucred.cr_ref, 1);
2614 ucred.cr_uid = ip->i_uid;
2615 ucred.cr_ngroups = 1;
2616 ucred.cr_groups = &ucred_group;
2617 ucred.cr_groups[0] = pdir->i_gid;
2621 ip->i_uid = cnp->cn_cred->cr_uid;
2622 DIP_SET(ip, i_uid, ip->i_uid);
2626 if ((error = getinoquota(ip)) ||
2627 (error = chkiq(ip, 1, ucp, 0))) {
2628 if (DOINGSOFTDEP(tvp))
2629 softdep_revert_link(pdir, ip);
2630 UFS_VFREE(tvp, ip->i_number, mode);
2636 #else /* !SUIDDIR */
2637 ip->i_uid = cnp->cn_cred->cr_uid;
2638 DIP_SET(ip, i_uid, ip->i_uid);
2640 if ((error = getinoquota(ip)) ||
2641 (error = chkiq(ip, 1, cnp->cn_cred, 0))) {
2642 if (DOINGSOFTDEP(tvp))
2643 softdep_revert_link(pdir, ip);
2644 UFS_VFREE(tvp, ip->i_number, mode);
2649 #endif /* !SUIDDIR */
2650 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE;
2652 DIP_SET(ip, i_mode, mode);
2653 tvp->v_type = IFTOVT(mode); /* Rest init'd in getnewvnode(). */
2656 DIP_SET(ip, i_nlink, 1);
2657 if (DOINGSOFTDEP(tvp))
2658 softdep_setup_create(VTOI(dvp), ip);
2659 if ((ip->i_mode & ISGID) && !groupmember(ip->i_gid, cnp->cn_cred) &&
2660 priv_check_cred(cnp->cn_cred, PRIV_VFS_SETGID, 0)) {
2661 ip->i_mode &= ~ISGID;
2662 DIP_SET(ip, i_mode, ip->i_mode);
2665 if (cnp->cn_flags & ISWHITEOUT) {
2666 ip->i_flags |= UF_OPAQUE;
2667 DIP_SET(ip, i_flags, ip->i_flags);
2671 * Make sure inode goes to disk before directory entry.
2673 error = UFS_UPDATE(tvp, !DOINGSOFTDEP(tvp) && !DOINGASYNC(tvp));
2677 if (dvp->v_mount->mnt_flag & MNT_MULTILABEL) {
2678 error = mac_vnode_create_extattr(cnp->cn_cred, dvp->v_mount,
2685 if (dvp->v_mount->mnt_flag & MNT_ACLS) {
2686 error = ufs_do_posix1e_acl_inheritance_file(dvp, tvp, mode,
2687 cnp->cn_cred, cnp->cn_thread);
2690 } else if (dvp->v_mount->mnt_flag & MNT_NFS4ACLS) {
2691 error = ufs_do_nfs4_acl_inheritance(dvp, tvp, mode,
2692 cnp->cn_cred, cnp->cn_thread);
2696 #endif /* !UFS_ACL */
2697 ufs_makedirentry(ip, cnp, &newdir);
2698 error = ufs_direnter(dvp, tvp, &newdir, cnp, NULL, 0);
2706 * Write error occurred trying to update the inode
2707 * or the directory so must deallocate the inode.
2711 DIP_SET(ip, i_nlink, 0);
2712 ip->i_flag |= IN_CHANGE;
2713 if (DOINGSOFTDEP(tvp))
2714 softdep_revert_create(VTOI(dvp), ip);
2720 ufs_ioctl(struct vop_ioctl_args *ap)
2723 switch (ap->a_command) {
2726 return (vn_bmap_seekhole(ap->a_vp, ap->a_command,
2727 (off_t *)ap->a_data, ap->a_cred));
2733 /* Global vfs data structures for ufs. */
2734 struct vop_vector ufs_vnodeops = {
2735 .vop_default = &default_vnodeops,
2736 .vop_fsync = VOP_PANIC,
2737 .vop_read = VOP_PANIC,
2738 .vop_reallocblks = VOP_PANIC,
2739 .vop_write = VOP_PANIC,
2740 .vop_accessx = ufs_accessx,
2741 .vop_bmap = ufs_bmap,
2742 .vop_cachedlookup = ufs_lookup,
2743 .vop_close = ufs_close,
2744 .vop_create = ufs_create,
2745 .vop_getattr = ufs_getattr,
2746 .vop_inactive = ufs_inactive,
2747 .vop_ioctl = ufs_ioctl,
2748 .vop_link = ufs_link,
2749 .vop_lookup = vfs_cache_lookup,
2750 .vop_markatime = ufs_markatime,
2751 .vop_mkdir = ufs_mkdir,
2752 .vop_mknod = ufs_mknod,
2753 .vop_open = ufs_open,
2754 .vop_pathconf = ufs_pathconf,
2755 .vop_poll = vop_stdpoll,
2756 .vop_print = ufs_print,
2757 .vop_readdir = ufs_readdir,
2758 .vop_readlink = ufs_readlink,
2759 .vop_reclaim = ufs_reclaim,
2760 .vop_remove = ufs_remove,
2761 .vop_rename = ufs_rename,
2762 .vop_rmdir = ufs_rmdir,
2763 .vop_setattr = ufs_setattr,
2765 .vop_setlabel = vop_stdsetlabel_ea,
2767 .vop_strategy = ufs_strategy,
2768 .vop_symlink = ufs_symlink,
2769 .vop_whiteout = ufs_whiteout,
2771 .vop_getextattr = ufs_getextattr,
2772 .vop_deleteextattr = ufs_deleteextattr,
2773 .vop_setextattr = ufs_setextattr,
2776 .vop_getacl = ufs_getacl,
2777 .vop_setacl = ufs_setacl,
2778 .vop_aclcheck = ufs_aclcheck,
2782 struct vop_vector ufs_fifoops = {
2783 .vop_default = &fifo_specops,
2784 .vop_fsync = VOP_PANIC,
2785 .vop_accessx = ufs_accessx,
2786 .vop_close = ufsfifo_close,
2787 .vop_getattr = ufs_getattr,
2788 .vop_inactive = ufs_inactive,
2789 .vop_kqfilter = ufsfifo_kqfilter,
2790 .vop_markatime = ufs_markatime,
2791 .vop_pathconf = ufs_pathconf,
2792 .vop_print = ufs_print,
2793 .vop_read = VOP_PANIC,
2794 .vop_reclaim = ufs_reclaim,
2795 .vop_setattr = ufs_setattr,
2797 .vop_setlabel = vop_stdsetlabel_ea,
2799 .vop_write = VOP_PANIC,
2801 .vop_getextattr = ufs_getextattr,
2802 .vop_deleteextattr = ufs_deleteextattr,
2803 .vop_setextattr = ufs_setextattr,
2806 .vop_getacl = ufs_getacl,
2807 .vop_setacl = ufs_setacl,
2808 .vop_aclcheck = ufs_aclcheck,