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34 * @(#)ufs_vfsops.c 8.8 (Berkeley) 5/20/95
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
40 #include "opt_quota.h"
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/kernel.h>
47 #include <sys/malloc.h>
48 #include <sys/mount.h>
50 #include <sys/socket.h>
51 #include <sys/vnode.h>
53 #include <ufs/ufs/extattr.h>
54 #include <ufs/ufs/quota.h>
55 #include <ufs/ufs/inode.h>
56 #include <ufs/ufs/ufsmount.h>
57 #include <ufs/ufs/ufs_extern.h>
59 #include <ufs/ufs/dir.h>
60 #include <ufs/ufs/dirhash.h>
63 MALLOC_DEFINE(M_UFSMNT, "ufs_mount", "UFS mount structure");
66 * Return the root of a filesystem.
69 ufs_root(mp, flags, vpp, td)
78 error = VFS_VGET(mp, (ino_t)ROOTINO, flags, &nvp);
86 * Do operations associated with quotas
89 ufs_quotactl(mp, cmds, id, arg, td)
101 cmd = cmds >> SUBCMDSHIFT;
102 type = cmds & SUBCMDMASK;
107 id = td->td_ucred->cr_ruid;
111 id = td->td_ucred->cr_rgid;
118 if ((u_int)type >= MAXQUOTAS)
121 if (vfs_busy(mp, LK_NOWAIT, 0, td))
126 error = quotaon(td, mp, type, arg);
130 error = quotaoff(td, mp, type);
134 error = setquota(td, mp, id, type, arg);
138 error = setuse(td, mp, id, type, arg);
142 error = getquota(td, mp, id, type, arg);
159 * Initial UFS filesystems, done only once.
163 struct vfsconf *vfsp;
176 * Uninitialise UFS filesystems, done before module unload.
180 struct vfsconf *vfsp;
193 * This is the generic part of fhtovp called after the underlying
194 * filesystem has validated the file handle.
196 * Call the VFS_CHECKEXP beforehand to verify access.
199 ufs_fhtovp(mp, ufhp, vpp)
208 error = VFS_VGET(mp, ufhp->ufid_ino, LK_EXCLUSIVE, &nvp);
214 if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen ||
215 ip->i_effnlink <= 0) {
221 vnode_create_vobject(*vpp, DIP(ip, i_size), curthread);