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[v1,37/38] nfs: set export ops

Message ID 1447761180-4250-38-git-send-email-jeff.layton@primarydata.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jeff Layton Nov. 17, 2015, 11:52 a.m. UTC 
From: Peng Tao <tao.peng@primarydata.com>

All the pieces are in place. We can now set the export ops in the
superblock.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
---
 fs/nfs/internal.h | 2 ++
 fs/nfs/super.c    | 4 ++++
 2 files changed, 6 insertions(+)
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Patch

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 56cfde26fb9c..fb83d83c959e 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -10,6 +10,8 @@ 
 
 #define NFS_MS_MASK (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS)
 
+extern const struct export_operations nfs_export_ops;
+
 struct nfs_string;
 
 /* Maximum number of readahead requests
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index f1268280244e..ee3cc13c92cb 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2321,6 +2321,9 @@  void nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info)
 		 */
 		sb->s_flags |= MS_POSIXACL;
 		sb->s_time_gran = 1;
+#if IS_ENABLED(CONFIG_NFS_REEXPORT)
+		sb->s_export_op = &nfs_export_ops;
+#endif
 	}
 
  	nfs_initialise_sb(sb);
@@ -2341,6 +2344,7 @@  void nfs_clone_super(struct super_block *sb, struct nfs_mount_info *mount_info)
 	sb->s_xattr = old_sb->s_xattr;
 	sb->s_op = old_sb->s_op;
 	sb->s_time_gran = 1;
+	sb->s_export_op = old_sb->s_export_op;
 
 	if (server->nfs_client->rpc_ops->version != 2) {
 		/* The VFS shouldn't apply the umask to mode bits. We will do