/*
* XXX: can't use callremove now because can't catch setbacks with
* it due to lack of a pnode argument.
*/
static int
puffs_vnop_remove(struct vop_nremove_args *ap)
{
PUFFS_MSG_VARS(vn, remove);
struct vnode *dvp = ap->a_dvp;
struct vnode *vp;
struct puffs_node *dpn = VPTOPP(dvp);
struct puffs_node *pn;
struct nchandle *nch = ap->a_nch;
struct namecache *ncp = nch->ncp;
struct ucred *cred = ap->a_cred;
struct mount *mp = dvp->v_mount;
struct puffs_mount *pmp = MPTOPUFFSMP(mp);
int error;
if (!EXISTSOP(pmp, REMOVE))
return EOPNOTSUPP;
error = vget(dvp, LK_EXCLUSIVE);
if (error != 0) {
DPRINTF(("puffs_vnop_remove: EAGAIN on parent vnode %p %s\n",
dvp, ncp->nc_name));
return EAGAIN;
}
error = cache_vget(nch, cred, LK_EXCLUSIVE, &vp);
if (error != 0) {
DPRINTF(("puffs_vnop_remove: cache_vget error: %p %s\n",
dvp, ncp->nc_name));
return EAGAIN;
}
if (vp->v_type == VDIR) {
error = EISDIR;
goto out;
}
pn = VPTOPP(vp);
PUFFS_MSG_ALLOC(vn, remove);
remove_msg->pvnr_cookie_targ = VPTOPNC(vp);
puffs_makecn(&remove_msg->pvnr_cn, &remove_msg->pvnr_cn_cred,
ncp, cred);
puffs_msg_setinfo(park_remove, PUFFSOP_VN,
PUFFS_VN_REMOVE, VPTOPNC(dvp));
puffs_msg_enqueue(pmp, park_remove);
error = puffs_msg_wait2(pmp, park_remove, dpn, pn);
PUFFS_MSG_RELEASE(remove);
error = checkerr(pmp, error, __func__);
out:
vput(dvp);
vn_unlock(vp);
if (error == 0)
cache_unlink(nch);
vrele(vp);
return error;
}
static int
puffs_vnop_link(struct vop_nlink_args *ap)
{
PUFFS_MSG_VARS(vn, link);
struct vnode *dvp = ap->a_dvp;
struct vnode *vp = ap->a_vp;
struct puffs_node *dpn = VPTOPP(dvp);
struct puffs_node *pn = VPTOPP(vp);
struct puffs_mount *pmp = MPTOPUFFSMP(dvp->v_mount);
struct nchandle *nch = ap->a_nch;
struct namecache *ncp = nch->ncp;
struct ucred *cred = ap->a_cred;
int error;
if (!EXISTSOP(pmp, LINK))
return EOPNOTSUPP;
if (vp->v_mount != dvp->v_mount)
return EXDEV;
if ((error = vget(dvp, LK_EXCLUSIVE)) != 0) {
DPRINTF(("puffs_vnop_link: EAGAIN on ncp %p %s\n",
ncp, ncp->nc_name));
return EAGAIN;
}
PUFFS_MSG_ALLOC(vn, link);
link_msg->pvnr_cookie_targ = VPTOPNC(vp);
puffs_makecn(&link_msg->pvnr_cn, &link_msg->pvnr_cn_cred,
ncp, cred);
puffs_msg_setinfo(park_link, PUFFSOP_VN,
PUFFS_VN_LINK, VPTOPNC(dvp));
puffs_msg_enqueue(pmp, park_link);
error = puffs_msg_wait2(pmp, park_link, dpn, pn);
PUFFS_MSG_RELEASE(link);
error = checkerr(pmp, error, __func__);
/*
* XXX: stay in touch with the cache. I don't like this, but
* don't have a better solution either. See also puffs_rename().
*/
if (error == 0) {
puffs_updatenode(pn, PUFFS_UPDATECTIME);
}
vput(dvp);
if (error == 0) {
cache_setunresolved(nch);
cache_setvp(nch, vp);
}
return error;
}
static void
callreclaim(struct puffs_mount *pmp, puffs_cookie_t ck)
{
PUFFS_MSG_VARS(vn, reclaim);
if (!EXISTSOP(pmp, RECLAIM))
return;
PUFFS_MSG_ALLOC(vn, reclaim);
puffs_msg_setfaf(park_reclaim);
puffs_msg_setinfo(park_reclaim, PUFFSOP_VN, PUFFS_VN_RECLAIM, ck);
puffs_msg_enqueue(pmp, park_reclaim);
PUFFS_MSG_RELEASE(reclaim);
}
void
puffs_senderr(struct puffs_mount *pmp, int type, int error,
const char *str, puffs_cookie_t ck)
{
struct puffs_msgpark *park;
struct puffs_error *perr;
puffs_msgmem_alloc(sizeof(struct puffs_error), &park, (void *)&perr, 1);
puffs_msg_setfaf(park);
puffs_msg_setinfo(park, PUFFSOP_ERROR, type, ck);
perr->perr_error = error;
strlcpy(perr->perr_str, str, sizeof(perr->perr_str));
puffs_msg_enqueue(pmp, park);
puffs_msgmem_release(park);
}
static int
puffs_vnop_close(struct vop_close_args *ap)
{
PUFFS_MSG_VARS(vn, close);
struct vnode *vp = ap->a_vp;
struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
vn_lock(vp, LK_UPGRADE | LK_RETRY);
if (!EXISTSOP(pmp, CLOSE))
return vop_stdclose(ap);
PUFFS_MSG_ALLOC(vn, close);
puffs_msg_setfaf(park_close);
close_msg->pvnr_fflag = ap->a_fflag;
puffs_msg_setinfo(park_close, PUFFSOP_VN,
PUFFS_VN_CLOSE, VPTOPNC(vp));
puffs_msg_enqueue(pmp, park_close);
PUFFS_MSG_RELEASE(close);
return vop_stdclose(ap);
}
/* XXX: callinactive can't setback */
static int
puffs_vnop_inactive(struct vop_inactive_args *ap)
{
PUFFS_MSG_VARS(vn, inactive);
struct vnode *vp = ap->a_vp;
struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
struct puffs_node *pnode = VPTOPP(vp);
flushvncache(vp, MNT_NOWAIT);
if (doinact(pmp, pnode->pn_stat & PNODE_DOINACT)) {
/*
* do not wait for reply from userspace, otherwise it may
* deadlock.
*/
PUFFS_MSG_ALLOC(vn, inactive);
puffs_msg_setfaf(park_inactive);
puffs_msg_setinfo(park_inactive, PUFFSOP_VN,
PUFFS_VN_INACTIVE, VPTOPNC(vp));
puffs_msg_enqueue(pmp, park_inactive);
PUFFS_MSG_RELEASE(inactive);
}
pnode->pn_stat &= ~PNODE_DOINACT;
/*
* file server thinks it's gone? then don't be afraid care,
* node's life was already all it would ever be
*/
if (pnode->pn_stat & PNODE_NOREFS) {
pnode->pn_stat |= PNODE_DYING;
vrecycle(vp);
}
return 0;
}
static int
dosetattr(struct vnode *vp, struct vattr *vap, struct ucred *cred, int flags)
{
PUFFS_MSG_VARS(vn, setattr);
struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
struct puffs_node *pn = VPTOPP(vp);
int error = 0;
if ((vp->v_mount->mnt_flag & MNT_RDONLY) &&
(vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL
|| vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL
|| vap->va_mode != (mode_t)VNOVAL))
return EROFS;
if ((vp->v_mount->mnt_flag & MNT_RDONLY)
&& vp->v_type == VREG && vap->va_size != VNOVAL)
return EROFS;
/*
* Flush metacache first. If we are called with some explicit
* parameters, treat them as information overriding metacache
* information.
*/
if (pn->pn_stat & PNODE_METACACHE_MASK) {
if ((pn->pn_stat & PNODE_METACACHE_ATIME)
&& vap->va_atime.tv_sec == VNOVAL)
vap->va_atime = pn->pn_mc_atime;
if ((pn->pn_stat & PNODE_METACACHE_CTIME)
&& vap->va_ctime.tv_sec == VNOVAL)
vap->va_ctime = pn->pn_mc_ctime;
if ((pn->pn_stat & PNODE_METACACHE_MTIME)
&& vap->va_mtime.tv_sec == VNOVAL)
vap->va_mtime = pn->pn_mc_mtime;
if ((pn->pn_stat & PNODE_METACACHE_SIZE)
&& vap->va_size == VNOVAL)
vap->va_size = pn->pn_mc_size;
pn->pn_stat &= ~PNODE_METACACHE_MASK;
}
PUFFS_MSG_ALLOC(vn, setattr);
(void)memcpy(&setattr_msg->pvnr_va, vap, sizeof(struct vattr));
puffs_credcvt(&setattr_msg->pvnr_cred, cred);
puffs_msg_setinfo(park_setattr, PUFFSOP_VN,
PUFFS_VN_SETATTR, VPTOPNC(vp));
if (flags & SETATTR_ASYNC)
puffs_msg_setfaf(park_setattr);
puffs_msg_enqueue(pmp, park_setattr);
if ((flags & SETATTR_ASYNC) == 0)
error = puffs_msg_wait2(pmp, park_setattr, vp->v_data, NULL);
PUFFS_MSG_RELEASE(setattr);
if ((flags & SETATTR_ASYNC) == 0) {
error = checkerr(pmp, error, __func__);
if (error)
return error;
} else {
error = 0;
}
if (vap->va_size != VNOVAL) {
pn->pn_serversize = vap->va_size;
if (flags & SETATTR_CHSIZE)
puffs_meta_setsize(vp, vap->va_size, 0);
}
return 0;
}
