diff options
Diffstat (limited to 'sys/nfsserver/nfs_srvsubs.c')
| -rw-r--r-- | sys/nfsserver/nfs_srvsubs.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sys/nfsserver/nfs_srvsubs.c b/sys/nfsserver/nfs_srvsubs.c index 5ac51ad..ceb6851 100644 --- a/sys/nfsserver/nfs_srvsubs.c +++ b/sys/nfsserver/nfs_srvsubs.c @@ -592,7 +592,8 @@ MODULE_VERSION(nfsserver, 1); int nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len, struct nfssvc_sock *slp, struct sockaddr *nam, struct mbuf **mdp, - caddr_t *dposp, struct vnode **retdirp, struct thread *td, int pubflag) + caddr_t *dposp, struct vnode **retdirp, int v3, struct vattr *retdirattrp, + int *retdirattr_retp, struct thread *td, int pubflag) { int i, rem; struct mbuf *md; @@ -602,6 +603,7 @@ nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len, struct vnode *dp; int error, rdonly, linklen; struct componentname *cnp = &ndp->ni_cnd; + int lockleaf = (cnp->cn_flags & LOCKLEAF) != 0; *retdirp = NULL; cnp->cn_flags |= NOMACCHECK; @@ -664,6 +666,12 @@ nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len, * to the returned pointer */ *retdirp = dp; + if (v3) { + vn_lock(dp, LK_EXCLUSIVE | LK_RETRY, td); + *retdirattr_retp = VOP_GETATTR(dp, retdirattrp, + ndp->ni_cnd.cn_cred, td); + VOP_UNLOCK(dp, 0, td); + } if (pubflag) { /* @@ -736,6 +744,8 @@ nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len, VREF(dp); ndp->ni_startdir = dp; + if (!lockleaf) + cnp->cn_flags |= LOCKLEAF; for (;;) { cnp->cn_nameptr = cnp->cn_pnbuf; /* @@ -761,6 +771,8 @@ nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len, cnp->cn_flags |= HASBUF; else uma_zfree(namei_zone, cnp->cn_pnbuf); + if (ndp->ni_vp && !lockleaf) + VOP_UNLOCK(ndp->ni_vp, 0, td); break; } @@ -840,6 +852,8 @@ nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len, ndp->ni_startdir = ndp->ni_dvp; ndp->ni_dvp = NULL; } + if (!lockleaf) + cnp->cn_flags &= ~LOCKLEAF; /* * nfs_namei() guarentees that fields will not contain garbage |
