diff options
Diffstat (limited to 'sys/fs/portalfs/portal_vnops.c')
| -rw-r--r-- | sys/fs/portalfs/portal_vnops.c | 57 |
1 files changed, 40 insertions, 17 deletions
diff --git a/sys/fs/portalfs/portal_vnops.c b/sys/fs/portalfs/portal_vnops.c index 8135a5e..19b439c 100644 --- a/sys/fs/portalfs/portal_vnops.c +++ b/sys/fs/portalfs/portal_vnops.c @@ -33,7 +33,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)portal_vnops.c 8.8 (Berkeley) 1/21/94 + * @(#)portal_vnops.c 8.14 (Berkeley) 5/21/95 * * $FreeBSD$ */ @@ -112,17 +112,25 @@ portal_lookup(ap) struct componentname * a_cnp; } */ *ap; { - char *pname = ap->a_cnp->cn_nameptr; + struct componentname *cnp = ap->a_cnp; + struct vnode **vpp = ap->a_vpp; + struct vnode *dvp = ap->a_dvp; + char *pname = cnp->cn_nameptr; struct portalnode *pt; int error; struct vnode *fvp = 0; char *path; int size; - if (ap->a_cnp->cn_namelen == 1 && *pname == '.') { - *ap->a_vpp = ap->a_dvp; - VREF(ap->a_dvp); - /*VOP_LOCK(ap->a_dvp);*/ + *vpp = NULLVP; + + if (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME) + return (EROFS); + + if (cnp->cn_namelen == 1 && *pname == '.') { + *vpp = dvp; + VREF(dvp); + /*VOP_LOCK(dvp);*/ return (0); } @@ -134,7 +142,7 @@ portal_lookup(ap) MALLOC(pt, struct portalnode *, sizeof(struct portalnode), M_TEMP, M_WAITOK); - error = getnewvnode(VT_PORTAL, ap->a_dvp->v_mount, portal_vnodeop_p, &fvp); + error = getnewvnode(VT_PORTAL, dvp->v_mount, portal_vnodeop_p, &fvp); if (error) { FREE(pt, M_TEMP); goto bad; @@ -148,22 +156,20 @@ portal_lookup(ap) */ for (size = 0, path = pname; *path; path++) size++; - ap->a_cnp->cn_consume = size - ap->a_cnp->cn_namelen; + cnp->cn_consume = size - cnp->cn_namelen; pt->pt_arg = malloc(size+1, M_TEMP, M_WAITOK); pt->pt_size = size+1; bcopy(pname, pt->pt_arg, pt->pt_size); pt->pt_fileid = portal_fileid++; - *ap->a_vpp = fvp; + *vpp = fvp; /*VOP_LOCK(fvp);*/ return (0); bad:; - if (fvp) { + if (fvp) vrele(fvp); - } - *ap->a_vpp = NULL; return (error); } @@ -444,6 +450,7 @@ portal_getattr(ap) { struct vnode *vp = ap->a_vp; struct vattr *vap = ap->a_vap; + struct timeval tv; bzero(vap, sizeof(*vap)); vattr_null(vap); @@ -452,8 +459,8 @@ portal_getattr(ap) vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0]; vap->va_size = DEV_BSIZE; vap->va_blocksize = DEV_BSIZE; - microtime((struct timeval *)&vap->va_atime); - TIMEVAL_TO_TIMESPEC((struct timeval *)&vap->va_atime, (struct timespec *)&vap->va_atime); + microtime(&tv); + TIMEVAL_TO_TIMESPEC(&tv, &vap->va_atime); vap->va_mtime = vap->va_atime; vap->va_ctime = vap->va_ctime; vap->va_gen = 0; @@ -509,9 +516,19 @@ portal_readdir(ap) struct vnode *a_vp; struct uio *a_uio; struct ucred *a_cred; + int *a_eofflag; + u_long *a_cookies; + int a_ncookies; } */ *ap; { + /* + * We don't allow exporting portal mounts, and currently local + * requests do not need cookies. + */ + if (ap->a_ncookies) + panic("portal_readdir: not hungry"); + return (0); } @@ -519,9 +536,11 @@ static int portal_inactive(ap) struct vop_inactive_args /* { struct vnode *a_vp; + struct proc *a_p; } */ *ap; { + VOP_UNLOCK(ap->a_vp, 0, ap->a_p); return (0); } @@ -639,6 +658,7 @@ portal_badop() #define portal_ioctl ((int (*) __P((struct vop_ioctl_args *)))portal_enotsupp) #define portal_select ((int (*) __P((struct vop_select_args *)))portal_enotsupp) #define portal_mmap ((int (*) __P((struct vop_mmap_args *)))portal_enotsupp) +#define portal_revoke vop_revoke #define portal_fsync ((int (*) __P((struct vop_fsync_args *)))nullop) #define portal_seek ((int (*) __P((struct vop_seek_args *)))nullop) #define portal_remove ((int (*) __P((struct vop_remove_args *)))portal_enotsupp) @@ -651,12 +671,14 @@ portal_badop() #define portal_readlink \ ((int (*) __P((struct vop_readlink_args *)))portal_enotsupp) #define portal_abortop ((int (*) __P((struct vop_abortop_args *)))nullop) -#define portal_lock ((int (*) __P((struct vop_lock_args *)))nullop) -#define portal_unlock ((int (*) __P((struct vop_unlock_args *)))nullop) +#define portal_lock ((int (*) __P((struct vop_lock_args *)))vop_nolock) +#define portal_unlock ((int (*) __P((struct vop_unlock_args *)))vop_nounlock) #define portal_bmap ((int (*) __P((struct vop_bmap_args *)))portal_badop) #define portal_strategy \ ((int (*) __P((struct vop_strategy_args *)))portal_badop) -#define portal_islocked ((int (*) __P((struct vop_islocked_args *)))nullop) +#define portal_islocked \ + ((int (*) __P((struct vop_islocked_args *)))vop_noislocked) +#define fifo_islocked ((int(*) __P((struct vop_islocked_args *)))vop_noislocked) #define portal_advlock \ ((int (*) __P((struct vop_advlock_args *)))portal_enotsupp) #define portal_blkatoff \ @@ -687,6 +709,7 @@ static struct vnodeopv_entry_desc portal_vnodeop_entries[] = { { &vop_ioctl_desc, (vop_t *)portal_ioctl }, /* ioctl */ { &vop_select_desc, (vop_t *)portal_select }, /* select */ { &vop_mmap_desc, (vop_t *)portal_mmap }, /* mmap */ + { &vop_revoke_desc, (vop_t *)portal_revoke }, /* revoke */ { &vop_fsync_desc, (vop_t *)portal_fsync }, /* fsync */ { &vop_seek_desc, (vop_t *)portal_seek }, /* seek */ { &vop_remove_desc, (vop_t *)portal_remove }, /* remove */ |
