2 * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/vnode.h>
38 #include <sys/mount.h>
39 #include <sys/mutex.h>
41 #include <ufs/ufs/extattr.h>
42 #include <ufs/ufs/quota.h>
43 #include <ufs/ufs/inode.h>
44 #include <ufs/ufs/ufsmount.h>
45 #include <ufs/ufs/gjournal.h>
47 #include <ufs/ffs/fs.h>
48 #include <ufs/ffs/ffs_extern.h>
51 * Change the number of unreferenced inodes.
54 ufs_gjournal_modref(struct vnode *vp, int count)
73 cg = ino_to_cg(fs, ino);
74 if (devvp->v_type != VCHR) {
75 /* devvp is a snapshot */
76 dev = VTOI(devvp)->i_devvp->v_rdev;
77 cgbno = fragstoblks(fs, cgtod(fs, cg));
79 /* devvp is a normal disk device */
81 cgbno = fsbtodb(fs, cgtod(fs, cg));
83 if ((u_int)ino >= fs->fs_ipg * fs->fs_ncg)
84 panic("ufs_gjournal_modref: range: dev = %s, ino = %lu, fs = %s",
85 devtoname(dev), (u_long)ino, fs->fs_fsmnt);
86 if ((error = bread(devvp, cgbno, (int)fs->fs_cgsize, NOCRED, &bp))) {
90 cgp = (struct cg *)bp->b_data;
91 if (!cg_chkmagic(cgp)) {
95 bp->b_xflags |= BX_BKGRDWRITE;
96 cgp->cg_unrefs += count;
98 fs->fs_unrefs += count;
107 ufs_gjournal_orphan(struct vnode *vp)
111 if (vp->v_mount->mnt_gjprovider == NULL)
113 if (vp->v_usecount < 2 || (vp->v_vflag & VV_DELETED))
116 if ((vp->v_type == VDIR && ip->i_nlink > 2) ||
117 (vp->v_type != VDIR && ip->i_nlink > 1)) {
120 vp->v_vflag |= VV_DELETED;
122 ufs_gjournal_modref(vp, 1);
126 ufs_gjournal_close(struct vnode *vp)
130 if (vp->v_mount->mnt_gjprovider == NULL)
132 if (!(vp->v_vflag & VV_DELETED))
137 ufs_gjournal_modref(vp, -1);