Push BKL down into ->remount_fs()

[xfs, btrfs, capifs, shmem don't need BKL, exempt]

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index d2d67781c579..26127b69a275 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1813,6 +1813,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
         if (data == NULL)
                 return -ENOMEM;
 
+        lock_kernel();
         /* fill out struct with values from existing mount */
         data->flags = nfss->flags;
         data->rsize = nfss->rsize;
@@ -1837,6 +1838,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
         error = nfs_compare_remount_data(nfss, data);
 out:
         kfree(data);
+        unlock_kernel();
         return error;
 }