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38 * @(#)ufs_inode.c 8.9 (Berkeley) 5/14/95
39 * $FreeBSD: src/sys/ufs/ufs/ufs_inode.c,v 1.25.2.3 2002/07/05 22:42:31 dillon Exp $
40 * $DragonFly: src/sys/vfs/ufs/ufs_inode.c,v 1.24 2008/01/02 22:42:37 dillon Exp $
43 #include "opt_quota.h"
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/vnode.h>
49 #include <sys/mount.h>
50 #include <sys/malloc.h>
55 #include "ufs_extern.h"
56 #include "ffs_extern.h"
62 int prtactive = 0; /* 1 => print out reclaim of active vnodes */
65 * Last reference to an inode. If necessary, write or delete it.
67 * ufs_inactive(struct vnode *a_vp)
70 ufs_inactive(struct vop_inactive_args *ap)
72 struct vnode *vp = ap->a_vp;
73 struct inode *ip = VTOI(vp);
76 if (prtactive && vp->v_sysref.refcnt > 1)
77 vprint("ufs_inactive: pushing active", vp);
80 * Ignore inodes related to stale file handles.
82 if (ip == NULL || ip->i_mode == 0)
84 if (ip->i_nlink <= 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
86 if (!ufs_getinoquota(ip))
87 (void)ufs_chkiq(ip, -1, NOCRED, FORCE);
89 /* Must have a VM object to truncate */
90 error = ffs_truncate(vp, (off_t)0, 0, NOCRED);
94 ip->i_flag |= IN_CHANGE | IN_UPDATE;
95 ffs_vfree(vp, ip->i_number, mode);
97 if (ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE))
101 * If we are done with the inode, reclaim it
102 * so that it can be reused immediately.
104 if (ip == NULL || ip->i_mode == 0)
110 * Reclaim an inode so that it can be used for other purposes.
112 * ufs_reclaim(struct vnode *a_vp)
115 ufs_reclaim(struct vop_reclaim_args *ap)
118 struct vnode *vp = ap->a_vp;
123 if (prtactive && vp->v_sysref.refcnt > 1)
124 vprint("ufs_reclaim: pushing active", vp);
131 if (ip->i_flag & IN_LAZYMOD) {
132 ip->i_flag |= IN_MODIFIED;
137 if (ip && (ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE))) {
138 kprintf("WARNING: INODE %ld flags %08x: modified inode being released!\n", (long)ip->i_number, (int)ip->i_flag);
139 ip->i_flag |= IN_MODIFIED;
144 * Remove the inode from its hash chain and purge namecache
145 * data associated with the vnode.
155 for (i = 0; i < MAXQUOTAS; i++) {
156 if (ip->i_dquot[i] != NODQUOT) {
157 ufs_dqrele(vp, ip->i_dquot[i]);
158 ip->i_dquot[i] = NODQUOT;
163 if (ip->i_dirhash != NULL)
166 kfree(ip, VFSTOUFS(vp->v_mount)->um_malloctype);