[src/ad-namecache]: src/sys/sys Add an IMNT_NCLOOKUP flag to indicate the FS ...

[ad <ad%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e56ac5280475
branches:  ad-namecache
changeset: 983009:e56ac5280475
user:      ad <ad%NetBSD.org@localhost>
date:      Thu Jan 23 21:24:54 2020 +0000

description:
Add an IMNT_NCLOOKUP flag to indicate the FS is OK with lookup directly
from cache.

diffstat:

 sys/sys/fstypes.h |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r fe85698b4fe9 -r e56ac5280475 sys/sys/fstypes.h
--- a/sys/sys/fstypes.h Thu Jan 23 21:23:56 2020 +0000
+++ b/sys/sys/fstypes.h Thu Jan 23 21:24:54 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: fstypes.h,v 1.37.6.1 2020/01/19 21:19:25 ad Exp $      */
+/*     $NetBSD: fstypes.h,v 1.37.6.2 2020/01/23 21:24:54 ad Exp $      */
 
 /*
  * Copyright (c) 1989, 1991, 1993
@@ -220,6 +220,7 @@
 #define        IMNT_UNMOUNT    0x00000002      /* unmount in progress */
 #define        IMNT_WANTRDWR   0x00000004      /* upgrade to read/write requested */
 #define        IMNT_WANTRDONLY 0x00000008      /* upgrade to readonly requested */
+#define        IMNT_NCLOOKUP   0x00000020      /* can do lookop direct in namecache */
 #define        IMNT_DTYPE      0x00000040      /* returns d_type fields */
 #define        IMNT_SHRLOOKUP  0x00000080      /* can do LK_SHARED lookups */
 #define        IMNT_MPSAFE     0x00000100      /* file system code MP safe */
@@ -274,6 +275,7 @@
        "\11IMNT_MPSAFE" \
        "\10IMNT_SHRLOOKUP" \
        "\07IMNT_DTYPE" \
+       "\06IMNT_NCLOOKUP" \
        "\04IMNT_WANTRDONLY" \
        "\03IMNT_WANTRDWR" \
        "\02IMNT_UNMOUNT" \