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36 * @(#)ufs_vfsops.c 8.8 (Berkeley) 5/20/95
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
42 #include "opt_quota.h"
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/kernel.h>
49 #include <sys/malloc.h>
50 #include <sys/mount.h>
52 #include <sys/socket.h>
53 #include <sys/vnode.h>
55 #include <ufs/ufs/extattr.h>
56 #include <ufs/ufs/quota.h>
57 #include <ufs/ufs/inode.h>
58 #include <ufs/ufs/ufsmount.h>
59 #include <ufs/ufs/ufs_extern.h>
61 #include <ufs/ufs/dir.h>
62 #include <ufs/ufs/dirhash.h>
65 MALLOC_DEFINE(M_UFSMNT, "ufs_mount", "UFS mount structure");
68 * Return the root of a filesystem.
71 ufs_root(mp, flags, vpp)
79 error = VFS_VGET(mp, (ino_t)UFS_ROOTINO, flags, &nvp);
87 * Do operations associated with quotas
90 ufs_quotactl(mp, cmds, id, arg)
97 if ((cmds >> SUBCMDSHIFT) == Q_QUOTAON ||
98 (cmds >> SUBCMDSHIFT) == Q_QUOTAOFF)
104 int cmd, type, error;
107 cmd = cmds >> SUBCMDSHIFT;
108 type = cmds & SUBCMDMASK;
113 id = td->td_ucred->cr_ruid;
117 id = td->td_ucred->cr_rgid;
121 if (cmd == Q_QUOTAON || cmd == Q_QUOTAOFF)
126 if ((u_int)type >= MAXQUOTAS) {
127 if (cmd == Q_QUOTAON || cmd == Q_QUOTAOFF)
134 error = quotaon(td, mp, type, arg);
140 vn_start_write(NULL, &mp, V_WAIT | V_MNTREF);
141 error = quotaoff(td, mp, type);
142 vn_finished_write(mp);
146 error = setquota32(td, mp, id, type, arg);
150 error = setuse32(td, mp, id, type, arg);
154 error = getquota32(td, mp, id, type, arg);
158 error = setquota(td, mp, id, type, arg);
162 error = setuse(td, mp, id, type, arg);
166 error = getquota(td, mp, id, type, arg);
170 error = getquotasize(td, mp, id, type, arg);
186 * Initial UFS filesystems, done only once.
190 struct vfsconf *vfsp;
203 * Uninitialise UFS filesystems, done before module unload.
207 struct vfsconf *vfsp;
220 * This is the generic part of fhtovp called after the underlying
221 * filesystem has validated the file handle.
223 * Call the VFS_CHECKEXP beforehand to verify access.
226 ufs_fhtovp(mp, ufhp, flags, vpp)
236 error = VFS_VGET(mp, ufhp->ufid_ino, flags, &nvp);
242 if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen ||
243 ip->i_effnlink <= 0) {
249 vnode_create_vobject(*vpp, DIP(ip, i_size), curthread);