diff options
| -rw-r--r-- | sys/fs/nfsserver/nfs_nfsdserv.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/sys/fs/nfsserver/nfs_nfsdserv.c b/sys/fs/nfsserver/nfs_nfsdserv.c index b6a365d..436d44c 100644 --- a/sys/fs/nfsserver/nfs_nfsdserv.c +++ b/sys/fs/nfsserver/nfs_nfsdserv.c @@ -1425,6 +1425,7 @@ nfsrvd_rename(struct nfsrv_descript *nd, int isdgram, struct nfsrvfh tfh; char *bufp, *tbufp = NULL; u_long *hashp; + fhandle_t fh; if (nd->nd_repstat) { nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft); @@ -1450,19 +1451,34 @@ nfsrvd_rename(struct nfsrv_descript *nd, int isdgram, tnes = *toexp; tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd->nd_cred, p, 0); } else { + tfh.nfsrvfh_len = 0; error = nfsrv_mtofh(nd, &tfh); + if (error == 0) + error = nfsvno_getfh(dp, &fh, p); if (error) { vput(dp); /* todp is always NULL except NFSv4 */ nfsvno_relpathbuf(&fromnd); goto out; } - nd->nd_cred->cr_uid = nd->nd_saveduid; - nfsd_fhtovp(nd, &tfh, LK_EXCLUSIVE, &tdp, &tnes, NULL, 0, p); - if (tdp) { + + /* If this is the same file handle, just VREF() the vnode. */ + if (tfh.nfsrvfh_len == NFSX_MYFH && + !NFSBCMP(tfh.nfsrvfh_data, &fh, NFSX_MYFH)) { + VREF(dp); + tdp = dp; + tnes = *exp; tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd->nd_cred, p, 1); - NFSVOPUNLOCK(tdp, 0); + } else { + nd->nd_cred->cr_uid = nd->nd_saveduid; + nfsd_fhtovp(nd, &tfh, LK_EXCLUSIVE, &tdp, &tnes, NULL, + 0, p); + if (tdp) { + tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, + nd->nd_cred, p, 1); + NFSVOPUNLOCK(tdp, 0); + } } } NFSNAMEICNDSET(&tond.ni_cnd, nd->nd_cred, RENAME, LOCKPARENT | LOCKLEAF | NOCACHE | SAVESTART); |
