The branch main has been updated by mjg:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=65127e982b94caeada8864465ad09756a7e80125

commit 65127e982b94caeada8864465ad09756a7e80125
Author:     Mateusz Guzik <m...@freebsd.org>
AuthorDate: 2022-11-10 02:15:04 +0000
Commit:     Mateusz Guzik <m...@freebsd.org>
CommitDate: 2022-12-19 08:09:00 +0000

    nfs: stop using SAVESTART
    
    Only the name is wanted which is already always provided.
    
    Reviewed by:    rmacklem
    Tested by:      pho, rmacklem
    Differential Revision:  https://reviews.freebsd.org/D34470
---
 sys/fs/nfsserver/nfs_nfsdport.c | 22 ++--------------------
 sys/fs/nfsserver/nfs_nfsdserv.c | 24 ++++++++++--------------
 2 files changed, 12 insertions(+), 34 deletions(-)

diff --git a/sys/fs/nfsserver/nfs_nfsdport.c b/sys/fs/nfsserver/nfs_nfsdport.c
index 5a5b212ae584..e11477b20ee2 100644
--- a/sys/fs/nfsserver/nfs_nfsdport.c
+++ b/sys/fs/nfsserver/nfs_nfsdport.c
@@ -1172,7 +1172,6 @@ nfsvno_createsub(struct nfsrv_descript *nd, struct 
nameidata *ndp,
        error = nd->nd_repstat;
        if (!error && ndp->ni_vp == NULL) {
                if (nvap->na_type == VREG || nvap->na_type == VSOCK) {
-                       vrele(ndp->ni_startdir);
                        error = VOP_CREATE(ndp->ni_dvp,
                            &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
                        /* For a pNFS server, create the data file on a DS. */
@@ -1213,7 +1212,6 @@ nfsvno_createsub(struct nfsrv_descript *nd, struct 
nameidata *ndp,
                                nvap->na_type = VFIFO;
                         if (nvap->na_type != VFIFO &&
                            (error = priv_check_cred(nd->nd_cred, 
PRIV_VFS_MKNOD_DEV))) {
-                               vrele(ndp->ni_startdir);
                                nfsvno_relpathbuf(ndp);
                                vput(ndp->ni_dvp);
                                goto out;
@@ -1224,11 +1222,9 @@ nfsvno_createsub(struct nfsrv_descript *nd, struct 
nameidata *ndp,
                        VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :
                            NULL, false);
                        nfsvno_relpathbuf(ndp);
-                       vrele(ndp->ni_startdir);
                        if (error)
                                goto out;
                } else {
-                       vrele(ndp->ni_startdir);
                        nfsvno_relpathbuf(ndp);
                        vput(ndp->ni_dvp);
                        error = ENXIO;
@@ -1242,7 +1238,6 @@ nfsvno_createsub(struct nfsrv_descript *nd, struct 
nameidata *ndp,
                 * 1 - clean up the lookup
                 * 2 - iff !error and na_size set, truncate it
                 */
-               vrele(ndp->ni_startdir);
                nfsvno_relpathbuf(ndp);
                *vpp = ndp->ni_vp;
                if (ndp->ni_dvp == *vpp)
@@ -1285,7 +1280,6 @@ nfsvno_mknod(struct nameidata *ndp, struct nfsvattr 
*nvap, struct ucred *cred,
         * Iff doesn't exist, create it.
         */
        if (ndp->ni_vp) {
-               vrele(ndp->ni_startdir);
                nfsvno_relpathbuf(ndp);
                vput(ndp->ni_dvp);
                vrele(ndp->ni_vp);
@@ -1293,14 +1287,12 @@ nfsvno_mknod(struct nameidata *ndp, struct nfsvattr 
*nvap, struct ucred *cred,
                goto out;
        }
        if (vtyp != VCHR && vtyp != VBLK && vtyp != VSOCK && vtyp != VFIFO) {
-               vrele(ndp->ni_startdir);
                nfsvno_relpathbuf(ndp);
                vput(ndp->ni_dvp);
                error = NFSERR_BADTYPE;
                goto out;
        }
        if (vtyp == VSOCK) {
-               vrele(ndp->ni_startdir);
                error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,
                    &ndp->ni_cnd, &nvap->na_vattr);
                VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,
@@ -1309,7 +1301,6 @@ nfsvno_mknod(struct nameidata *ndp, struct nfsvattr 
*nvap, struct ucred *cred,
        } else {
                if (nvap->na_type != VFIFO &&
                    (error = priv_check_cred(cred, PRIV_VFS_MKNOD_DEV))) {
-                       vrele(ndp->ni_startdir);
                        nfsvno_relpathbuf(ndp);
                        vput(ndp->ni_dvp);
                        goto out;
@@ -1319,7 +1310,6 @@ nfsvno_mknod(struct nameidata *ndp, struct nfsvattr 
*nvap, struct ucred *cred,
                VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,
                    false);
                nfsvno_relpathbuf(ndp);
-               vrele(ndp->ni_startdir);
                /*
                 * Since VOP_MKNOD returns the ni_vp, I can't
                 * see any reason to do the lookup.
@@ -1371,7 +1361,6 @@ nfsvno_symlink(struct nameidata *ndp, struct nfsvattr 
*nvap, char *pathcp,
        int error = 0;
 
        if (ndp->ni_vp) {
-               vrele(ndp->ni_startdir);
                nfsvno_relpathbuf(ndp);
                if (ndp->ni_dvp == ndp->ni_vp)
                        vrele(ndp->ni_dvp);
@@ -1391,7 +1380,6 @@ nfsvno_symlink(struct nameidata *ndp, struct nfsvattr 
*nvap, char *pathcp,
         * Just vput it for v2.
         */
        VOP_VPUT_PAIR(ndp->ni_dvp, &ndp->ni_vp, !not_v2 && error == 0);
-       vrele(ndp->ni_startdir);
        nfsvno_relpathbuf(ndp);
 
 out:
@@ -1642,10 +1630,8 @@ out:
                NFSD_DEBUG(4, "nfsvno_rename: pnfsremove\n");
        }
 
-       vrele(tondp->ni_startdir);
        nfsvno_relpathbuf(tondp);
 out1:
-       vrele(fromndp->ni_startdir);
        nfsvno_relpathbuf(fromndp);
        NFSEXITCODE(error);
        return (error);
@@ -1862,7 +1848,6 @@ nfsvno_open(struct nfsrv_descript *nd, struct nameidata 
*ndp,
                    stateidp, stp, NULL, nd, p, nd->nd_repstat);
        if (!nd->nd_repstat) {
                if (ndp->ni_vp == NULL) {
-                       vrele(ndp->ni_startdir);
                        nd->nd_repstat = VOP_CREATE(ndp->ni_dvp,
                            &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
                        /* For a pNFS server, create the data file on a DS. */
@@ -1900,8 +1885,6 @@ nfsvno_open(struct nfsrv_descript *nd, struct nameidata 
*ndp,
                        }
                        vp = ndp->ni_vp;
                } else {
-                       if (ndp->ni_startdir)
-                               vrele(ndp->ni_startdir);
                        nfsvno_relpathbuf(ndp);
                        vp = ndp->ni_vp;
                        if (create == NFSV4OPEN_CREATE) {
@@ -1935,8 +1918,7 @@ nfsvno_open(struct nfsrv_descript *nd, struct nameidata 
*ndp,
                }
        } else {
                nfsvno_relpathbuf(ndp);
-               if (ndp->ni_startdir && create == NFSV4OPEN_CREATE) {
-                       vrele(ndp->ni_startdir);
+               if (create == NFSV4OPEN_CREATE) {
                        if (ndp->ni_dvp == ndp->ni_vp)
                                vrele(ndp->ni_dvp);
                        else
@@ -4186,7 +4168,7 @@ nfsrv_dscreate(struct vnode *dvp, struct vattr *vap, 
struct vattr *nvap,
        int error;
 
        NFSNAMEICNDSET(&named.ni_cnd, tcred, CREATE,
-           LOCKPARENT | LOCKLEAF | SAVESTART | NOCACHE);
+           LOCKPARENT | LOCKLEAF | NOCACHE);
        nfsvno_setpathbuf(&named, &bufp, &hashp);
        named.ni_cnd.cn_lkflags = LK_EXCLUSIVE;
        named.ni_cnd.cn_nameptr = bufp;
diff --git a/sys/fs/nfsserver/nfs_nfsdserv.c b/sys/fs/nfsserver/nfs_nfsdserv.c
index e37f8f445a11..5a547fabb541 100644
--- a/sys/fs/nfsserver/nfs_nfsdserv.c
+++ b/sys/fs/nfsserver/nfs_nfsdserv.c
@@ -611,7 +611,7 @@ nfsrvd_lookup(struct nfsrv_descript *nd, __unused int 
isdgram,
        }
 
        NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
-           LOCKLEAF | SAVESTART);
+           LOCKLEAF);
        nfsvno_setpathbuf(&named, &bufp, &hashp);
        error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
        if (error) {
@@ -636,8 +636,6 @@ nfsrvd_lookup(struct nfsrv_descript *nd, __unused int 
isdgram,
                        nfsrv_postopattr(nd, dattr_ret, &dattr);
                goto out;
        }
-       if (named.ni_startdir)
-               vrele(named.ni_startdir);
        nfsvno_relpathbuf(&named);
        vp = named.ni_vp;
        if ((nd->nd_flag & ND_NFSV4) != 0 && !NFSVNO_EXPORTED(exp) &&
@@ -1160,7 +1158,7 @@ nfsrvd_create(struct nfsrv_descript *nd, __unused int 
isdgram,
                goto out;
        }
        NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
-           LOCKPARENT | LOCKLEAF | SAVESTART | NOCACHE);
+           LOCKPARENT | LOCKLEAF | NOCACHE);
        nfsvno_setpathbuf(&named, &bufp, &hashp);
        error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
        if (error)
@@ -1325,7 +1323,7 @@ nfsrvd_mknod(struct nfsrv_descript *nd, __unused int 
isdgram,
        struct thread *p = curthread;
 
        NFSVNO_ATTRINIT(&nva);
-       cnflags = (LOCKPARENT | SAVESTART);
+       cnflags = LOCKPARENT;
        if (nd->nd_repstat) {
                nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
                goto out;
@@ -1633,7 +1631,7 @@ nfsrvd_rename(struct nfsrv_descript *nd, int isdgram,
                fdirfor_ret = nfsvno_getattr(dp, &fdirfor, nd, p, 1, NULL);
        tond.ni_cnd.cn_nameiop = 0;
        tond.ni_startdir = NULL;
-       NFSNAMEICNDSET(&fromnd.ni_cnd, nd->nd_cred, DELETE, WANTPARENT | 
SAVESTART);
+       NFSNAMEICNDSET(&fromnd.ni_cnd, nd->nd_cred, DELETE, WANTPARENT);
        nfsvno_setpathbuf(&fromnd, &bufp, &hashp);
        error = nfsrv_parsename(nd, bufp, hashp, &fromnd.ni_pathlen);
        if (error) {
@@ -1694,7 +1692,7 @@ nfsrvd_rename(struct nfsrv_descript *nd, int isdgram,
                        }
                }
        }
-       NFSNAMEICNDSET(&tond.ni_cnd, nd->nd_cred, RENAME, LOCKPARENT | LOCKLEAF 
| NOCACHE | SAVESTART);
+       NFSNAMEICNDSET(&tond.ni_cnd, nd->nd_cred, RENAME, LOCKPARENT | LOCKLEAF 
| NOCACHE);
        nfsvno_setpathbuf(&tond, &tbufp, &hashp);
        if (!nd->nd_repstat) {
                error = nfsrv_parsename(nd, tbufp, hashp, &tond.ni_pathlen);
@@ -1900,7 +1898,7 @@ nfsrvd_symlink(struct nfsrv_descript *nd, __unused int 
isdgram,
                *vpp = NULL;
        NFSVNO_ATTRINIT(&nva);
        NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
-           LOCKPARENT | SAVESTART | NOCACHE);
+           LOCKPARENT | NOCACHE);
        nfsvno_setpathbuf(&named, &bufp, &hashp);
        error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
        if (!error && !nd->nd_repstat)
@@ -3018,10 +3016,10 @@ nfsrvd_open(struct nfsrv_descript *nd, __unused int 
isdgram,
                }
                if (create == NFSV4OPEN_CREATE)
                    NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
-                       LOCKPARENT | LOCKLEAF | SAVESTART | NOCACHE);
+                       LOCKPARENT | LOCKLEAF | NOCACHE);
                else
                    NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
-                       LOCKLEAF | SAVESTART);
+                       LOCKLEAF);
                nfsvno_setpathbuf(&named, &bufp, &hashp);
                error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
                if (error) {
@@ -3687,7 +3685,7 @@ nfsrvd_secinfo(struct nfsrv_descript *nd, int isdgram,
         * All this just to get the export flags for the name.
         */
        NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
-           LOCKLEAF | SAVESTART);
+           LOCKLEAF);
        nfsvno_setpathbuf(&named, &bufp, &hashp);
        error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
        if (error) {
@@ -3705,7 +3703,6 @@ nfsrvd_secinfo(struct nfsrv_descript *nd, int isdgram,
                vrele(dirp);
        if (nd->nd_repstat)
                goto out;
-       vrele(named.ni_startdir);
        nfsvno_relpathbuf(&named);
        fh.nfsrvfh_len = NFSX_MYFH;
        vp = named.ni_vp;
@@ -3826,7 +3823,7 @@ nfsrvd_secinfononame(struct nfsrv_descript *nd, int 
isdgram,
                        goto nfsmout;
                }
                NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
-                   LOCKLEAF | SAVESTART);
+                   LOCKLEAF);
                nfsvno_setpathbuf(&named, &bufp, &hashp);
                error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
                if (error != 0) {
@@ -3840,7 +3837,6 @@ nfsrvd_secinfononame(struct nfsrv_descript *nd, int 
isdgram,
                        vput(dp);
                if (dirp != NULL)
                        vrele(dirp);
-               vrele(named.ni_startdir);
                nfsvno_relpathbuf(&named);
                vp = named.ni_vp;
                break;

Reply via email to