unlock during readlink RPC (from Rick Macklem)

SCCS-vsn: sys/nfs/nfs_vnops.c 7.36

diff --git a/usr/src/sys/nfs/nfs_vnops.c b/usr/src/sys/nfs/nfs_vnops.c
index 7860ad4..5eb2920 100644 (file)
--- a/usr/src/sys/nfs/nfs_vnops.c
+++ b/usr/src/sys/nfs/nfs_vnops.c
@@ -17,7 +17,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *

- *     @(#)nfs_vnops.c 7.35 (Berkeley) %G%
+ *     @(#)nfs_vnops.c 7.36 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -617,10 +617,12 @@ nfs_readlink(vp, uiop, cred)
        nfsstats.rpccnt[NFSPROC_READLINK]++;
        nfsm_reqhead(nfs_procids[NFSPROC_READLINK], cred, NFSX_FH);
        nfsm_fhtom(vp);
        nfsstats.rpccnt[NFSPROC_READLINK]++;
        nfsm_reqhead(nfs_procids[NFSPROC_READLINK], cred, NFSX_FH);
        nfsm_fhtom(vp);

+       nfs_unlock(vp);

        nfsm_request(vp, nonidempotent[NFSPROC_READLINK]);
        nfsm_strsiz(len, NFS_MAXPATHLEN);
        nfsm_mtouio(uiop, len);
        nfsm_reqdone;
        nfsm_request(vp, nonidempotent[NFSPROC_READLINK]);
        nfsm_strsiz(len, NFS_MAXPATHLEN);
        nfsm_mtouio(uiop, len);
        nfsm_reqdone;

+       nfs_lock(vp);

        return (error);
 }
 
        return (error);
 }