/*
* Reclaim an inode so that it can be used for other purposes.
*/
int
ufs_reclaim(struct vnode *vp, struct proc *p)
{
struct inode *ip;
#ifdef DIAGNOSTIC
extern int prtactive;
if (prtactive && vp->v_usecount != 0)
vprint("ufs_reclaim: pushing active", vp);
#endif
/*
* Remove the inode from its hash chain.
*/
ip = VTOI(vp);
ufs_ihashrem(ip);
/*
* Purge old data structures associated with the inode.
*/
cache_purge(vp);
if (ip->i_devvp) {
vrele(ip->i_devvp);
}
#ifdef UFS_DIRHASH
if (ip->i_dirhash != NULL)
ufsdirhash_free(ip);
#endif
ufs_quota_delete(ip);
return (0);
}
/*
* Reclaim an inode so that it can be used for other purposes.
*/
int
ufs_reclaim(struct vnode *vp, struct proc *p)
{
struct inode *ip;
#ifdef DIAGNOSTIC
extern int prtactive;
if (prtactive && vp->v_usecount != 0)
vprint("ufs_reclaim: pushing active", vp);
#endif
ip = VTOI(vp);
/*
* Stop deferring timestamp writes
*/
if (ip->i_flag & IN_LAZYMOD) {
int err = UFS_WAPBL_BEGIN(vp->v_mount);
if (err)
return (err);
ip->i_flag |= IN_MODIFIED;
UFS_UPDATE(ip, 0);
UFS_WAPBL_END(vp->v_mount);
}
/*
* Remove the inode from its hash chain.
*/
ufs_ihashrem(ip);
/*
* Purge old data structures associated with the inode.
*/
cache_purge(vp);
if (ip->i_devvp) {
vrele(ip->i_devvp);
}
#ifdef UFS_DIRHASH
if (ip->i_dirhash != NULL)
ufsdirhash_free(ip);
#endif
ufs_quota_delete(ip);
return (0);
}
/*
* Perform chown operation on inode ip;
* inode must be locked prior to call.
*/
int
ufs_chown(struct vnode *vp, uid_t uid, gid_t gid, struct ucred *cred,
struct proc *p)
{
struct inode *ip = VTOI(vp);
uid_t ouid;
gid_t ogid;
int error = 0;
daddr64_t change;
enum ufs_quota_flags quota_flags = 0;
if (uid == (uid_t)VNOVAL)
uid = DIP(ip, uid);
if (gid == (gid_t)VNOVAL)
gid = DIP(ip, gid);
/*
* If we don't own the file, are trying to change the owner
* of the file, or are not a member of the target group,
* the caller must be superuser or the call fails.
*/
if ((cred->cr_uid != DIP(ip, uid) || uid != DIP(ip, uid) ||
(gid != DIP(ip, gid) && !groupmember((gid_t)gid, cred))) &&
(error = suser_ucred(cred)))
return (error);
ogid = DIP(ip, gid);
ouid = DIP(ip, uid);
change = DIP(ip, blocks);
if (ouid == uid)
quota_flags |= UFS_QUOTA_NOUID;
if (ogid == gid)
quota_flags |= UFS_QUOTA_NOGID;
if ((error = getinoquota(ip)) != 0)
return (error);
(void) ufs_quota_free_blocks2(ip, change, cred, quota_flags);
(void) ufs_quota_free_inode2(ip, cred, quota_flags);
(void) ufs_quota_delete(ip);
DIP_ASSIGN(ip, gid, gid);
DIP_ASSIGN(ip, uid, uid);
if ((error = getinoquota(ip)) != 0)
goto error;
if ((error = ufs_quota_alloc_blocks2(ip, change, cred,
quota_flags)) != 0)
goto error;
if ((error = ufs_quota_alloc_inode2(ip, cred ,
quota_flags)) != 0) {
(void)ufs_quota_free_blocks2(ip, change, cred,
quota_flags);
goto error;
}
if (getinoquota(ip))
panic("chown: lost quota");
if (ouid != uid || ogid != gid)
ip->i_flag |= IN_CHANGE;
if (ouid != uid && cred->cr_uid != 0)
DIP_AND(ip, mode, ~ISUID);
if (ogid != gid && cred->cr_uid != 0)
DIP_AND(ip, mode, ~ISGID);
return (0);
error:
(void) ufs_quota_delete(ip);
DIP_ASSIGN(ip, gid, ogid);
DIP_ASSIGN(ip, uid, ouid);
if (getinoquota(ip) == 0) {
(void) ufs_quota_alloc_blocks2(ip, change, cred,
quota_flags | UFS_QUOTA_FORCE);
(void) ufs_quota_alloc_inode2(ip, cred,
quota_flags | UFS_QUOTA_FORCE);
(void) getinoquota(ip);
}
return (error);
}
