Push BKL down into ->remount_fs()

[safe/jmp/linux-2.6] / fs / udf / super.c

diff --git a/fs/udf/super.c b/fs/udf/super.c
index 04802cc..6832135 100644 (file)
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -568,6 +568,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
        if (!udf_parse_options(options, &uopt, true))
                return -EINVAL;
 
+       lock_kernel();
        sbi->s_flags = uopt.flags;
        sbi->s_uid   = uopt.uid;
        sbi->s_gid   = uopt.gid;
@@ -581,13 +582,16 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
                        *flags |= MS_RDONLY;
        }
 
-       if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+       if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
+               unlock_kernel();
                return 0;
+       }
        if (*flags & MS_RDONLY)
                udf_close_lvid(sb);
        else
                udf_open_lvid(sb);
 
+       unlock_kernel();
        return 0;
 }