Author: mjg
Date: Sun Oct  6 22:17:29 2019
New Revision: 353154
URL: https://svnweb.freebsd.org/changeset/base/353154

Log:
  nfsclient: add root vnode caching
  
  See r353150.
  
  Sponsored by:   The FreeBSD Foundation
  Differential Revision:  https://reviews.freebsd.org/D21646

Modified:
  head/sys/fs/nfsclient/nfs_clvfsops.c

Modified: head/sys/fs/nfsclient/nfs_clvfsops.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clvfsops.c        Sun Oct  6 22:17:11 2019        
(r353153)
+++ head/sys/fs/nfsclient/nfs_clvfsops.c        Sun Oct  6 22:17:29 2019        
(r353154)
@@ -136,7 +136,8 @@ static struct vfsops nfs_vfsops = {
        .vfs_init =             ncl_init,
        .vfs_mount =            nfs_mount,
        .vfs_cmount =           nfs_cmount,
-       .vfs_root =             nfs_root,
+       .vfs_root =             vfs_cache_root,
+       .vfs_cachedroot =       nfs_root,
        .vfs_statfs =           nfs_statfs,
        .vfs_sync =             nfs_sync,
        .vfs_uninit =           ncl_uninit,
@@ -1626,6 +1627,7 @@ mountnfs(struct nfs_args *argp, struct mount *mp, stru
                 * Lose the lock but keep the ref.
                 */
                NFSVOPUNLOCK(*vpp, 0);
+               vfs_cache_root_set(mp, *vpp);
                return (0);
        }
        error = EIO;
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