linux-kernel - [PATCH -next] nfs: fsinfo: fix build when CONFIG_NFS

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Date:   Fri, 15 May 2020 10:27:39 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     "open list:NFS, SUNRPC, AND..." <linux-nfs@...r.kernel.org>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        Al Viro <viro@...IV.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] nfs: fsinfo: fix build when CONFIG_NFS_V4 is not
 enabled

From: Randy Dunlap <rdunlap@...radead.org>

Fix multiple build errors when CONFIG_NFS_V4 is not enabled.

../fs/nfs/fsinfo.c: In function 'nfs_fsinfo_get_supports':
../fs/nfs/fsinfo.c:153:12: error: 'const struct nfs_server' has no member named 'attr_bitmask'
  if (server->attr_bitmask[0] & FATTR4_WORD0_SIZE)
            ^~
../fs/nfs/fsinfo.c:155:12: error: 'const struct nfs_server' has no member named 'attr_bitmask'
  if (server->attr_bitmask[1] & FATTR4_WORD1_NUMLINKS)
            ^~
../fs/nfs/fsinfo.c:158:12: error: 'const struct nfs_server' has no member named 'attr_bitmask'
  if (server->attr_bitmask[0] & FATTR4_WORD0_ARCHIVE)
            ^~
../fs/nfs/fsinfo.c:160:12: error: 'const struct nfs_server' has no member named 'attr_bitmask'
  if (server->attr_bitmask[0] & FATTR4_WORD0_HIDDEN)
            ^~
../fs/nfs/fsinfo.c:162:12: error: 'const struct nfs_server' has no member named 'attr_bitmask'
  if (server->attr_bitmask[1] & FATTR4_WORD1_SYSTEM)
            ^~
../fs/nfs/fsinfo.c: In function 'nfs_fsinfo_get_features':
../fs/nfs/fsinfo.c:205:12: error: 'const struct nfs_server' has no member named 'attr_bitmask'
  if (server->attr_bitmask[0] & FATTR4_WORD0_CASE_INSENSITIVE)
            ^~
../fs/nfs/fsinfo.c:207:13: error: 'const struct nfs_server' has no member named 'attr_bitmask'
  if ((server->attr_bitmask[0] & FATTR4_WORD0_ARCHIVE) ||
             ^~
../fs/nfs/fsinfo.c:208:13: error: 'const struct nfs_server' has no member named 'attr_bitmask'
      (server->attr_bitmask[0] & FATTR4_WORD0_HIDDEN) ||
             ^~
../fs/nfs/fsinfo.c:209:13: error: 'const struct nfs_server' has no member named 'attr_bitmask'
      (server->attr_bitmask[1] & FATTR4_WORD1_SYSTEM))
             ^~


Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: linux-nfs@...r.kernel.org
Cc: Trond Myklebust <trond.myklebust@...merspace.com>
Cc: Anna Schumaker <anna.schumaker@...app.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>
Cc: linux-fsdevel@...r.kernel.org
Cc: David Howells <dhowells@...hat.com>
---
 fs/nfs/fsinfo.c |    5 +++++
 1 file changed, 5 insertions(+)

--- linux-next-20200515.orig/fs/nfs/fsinfo.c
+++ linux-next-20200515/fs/nfs/fsinfo.c
@@ -5,6 +5,7 @@
  * Written by David Howells (dhowells@...hat.com)
  */
 
+#include <linux/kconfig.h>
 #include <linux/nfs_fs.h>
 #include <linux/windows.h>
 #include "internal.h"
@@ -150,6 +151,7 @@ static int nfs_fsinfo_get_supports(struc
 		sup->stx_mask |= STATX_CTIME;
 	if (server->caps & NFS_CAP_MTIME)
 		sup->stx_mask |= STATX_MTIME;
+#if IS_ENABLED(CONFIG_NFS_V4)
 	if (server->attr_bitmask[0] & FATTR4_WORD0_SIZE)
 		sup->stx_mask |= STATX_SIZE;
 	if (server->attr_bitmask[1] & FATTR4_WORD1_NUMLINKS)
@@ -161,6 +163,7 @@ static int nfs_fsinfo_get_supports(struc
 		sup->win_file_attrs |= ATTR_HIDDEN;
 	if (server->attr_bitmask[1] & FATTR4_WORD1_SYSTEM)
 		sup->win_file_attrs |= ATTR_SYSTEM;
+#endif
 
 	sup->stx_attributes = STATX_ATTR_AUTOMOUNT;
 	return sizeof(*sup);
@@ -202,12 +205,14 @@ static int nfs_fsinfo_get_features(struc
 	if (server->caps & NFS_CAP_MTIME)
 		fsinfo_set_feature(ft, FSINFO_FEAT_HAS_MTIME);
 
+#if IS_ENABLED(CONFIG_NFS_V4)
 	if (server->attr_bitmask[0] & FATTR4_WORD0_CASE_INSENSITIVE)
 		fsinfo_set_feature(ft, FSINFO_FEAT_NAME_CASE_INDEP);
 	if ((server->attr_bitmask[0] & FATTR4_WORD0_ARCHIVE) ||
 	    (server->attr_bitmask[0] & FATTR4_WORD0_HIDDEN) ||
 	    (server->attr_bitmask[1] & FATTR4_WORD1_SYSTEM))
 		fsinfo_set_feature(ft, FSINFO_FEAT_WINDOWS_ATTRS);
+#endif
 
 	return sizeof(*ft);
 }