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34 * @(#)ufs_inode.c 8.9 (Berkeley) 5/14/95
35 * $FreeBSD: src/sys/ufs/ufs/ufs_inode.c,v 1.25.2.3 2002/07/05 22:42:31 dillon Exp $
36 * $DragonFly: src/sys/vfs/ufs/ufs_inode.c,v 1.24 2008/01/02 22:42:37 dillon Exp $
39 #include "opt_quota.h"
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/vnode.h>
45 #include <sys/mount.h>
46 #include <sys/malloc.h>
51 #include "ufs_extern.h"
52 #include "ffs_extern.h"
58 int prtactive = 0; /* 1 => print out reclaim of active vnodes */
61 * Last reference to an inode. If necessary, write or delete it.
63 * ufs_inactive(struct vnode *a_vp)
66 ufs_inactive(struct vop_inactive_args *ap)
68 struct vnode *vp = ap->a_vp;
69 struct inode *ip = VTOI(vp);
72 if (prtactive && vp->v_sysref.refcnt > 1)
73 vprint("ufs_inactive: pushing active", vp);
76 * Ignore inodes related to stale file handles.
78 if (ip == NULL || ip->i_mode == 0)
80 if (ip->i_nlink <= 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
82 if (!ufs_getinoquota(ip))
83 (void)ufs_chkiq(ip, -1, NOCRED, FORCE);
85 /* Must have a VM object to truncate */
86 error = ffs_truncate(vp, (off_t)0, 0, NOCRED);
90 ip->i_flag |= IN_CHANGE | IN_UPDATE;
91 ffs_vfree(vp, ip->i_number, mode);
93 if (ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE))
97 * If we are done with the inode, reclaim it
98 * so that it can be reused immediately.
100 if (ip == NULL || ip->i_mode == 0)
106 * Reclaim an inode so that it can be used for other purposes.
108 * ufs_reclaim(struct vnode *a_vp)
111 ufs_reclaim(struct vop_reclaim_args *ap)
114 struct vnode *vp = ap->a_vp;
115 struct ufsmount *ump;
120 ump = VFSTOUFS(vp->v_mount);
122 if (prtactive && vp->v_sysref.refcnt > 1)
123 vprint("ufs_reclaim: pushing active", vp);
130 if (ip->i_flag & IN_LAZYMOD) {
131 ip->i_flag |= IN_MODIFIED;
136 if (ip && (ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE))) {
137 kprintf("WARNING: INODE %ld flags %08x: modified inode being released!\n", (long)ip->i_number, (int)ip->i_flag);
138 ip->i_flag |= IN_MODIFIED;
143 * Remove the inode from its hash chain and purge namecache
144 * data associated with the vnode.
148 ufs_ihashrem(ump, ip);
154 for (i = 0; i < MAXQUOTAS; i++) {
155 if (ip->i_dquot[i] != NODQUOT) {
156 ufs_dqrele(vp, ip->i_dquot[i]);
157 ip->i_dquot[i] = NODQUOT;
162 if (ip->i_dirhash != NULL)
165 kfree(ip, VFSTOUFS(vp->v_mount)->um_malloctype);