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Diffstat (limited to 'fs/nfs/super.c')
-rw-r--r--fs/nfs/super.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 94885c6f8f54..4aaa1f5dd381 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1045,7 +1045,7 @@ static void nfs_fill_super(struct super_block *sb, struct nfs_fs_context *ctx)
sb->s_blocksize = 0;
sb->s_xattr = server->nfs_client->cl_nfs_mod->xattr;
sb->s_op = server->nfs_client->cl_nfs_mod->sops;
- if (ctx && ctx->bsize)
+ if (ctx->bsize)
sb->s_blocksize = nfs_block_size(ctx->bsize, &sb->s_blocksize_bits);
if (server->nfs_client->rpc_ops->version != 2) {
@@ -1077,6 +1077,7 @@ static void nfs_fill_super(struct super_block *sb, struct nfs_fs_context *ctx)
&sb->s_blocksize_bits);
nfs_super_set_maxbytes(sb, server->maxfilesize);
+ server->has_sec_mnt_opts = ctx->has_sec_mnt_opts;
}
static int nfs_compare_mount_options(const struct super_block *s, const struct nfs_server *b,
@@ -1193,6 +1194,9 @@ static int nfs_compare_super(struct super_block *sb, struct fs_context *fc)
return 0;
if (!nfs_compare_userns(old, server))
return 0;
+ if ((old->has_sec_mnt_opts || fc->security) &&
+ security_sb_mnt_opts_compat(sb, fc->security))
+ return 0;
return nfs_compare_mount_options(sb, server, fc);
}