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, 4 insertions, 0 deletions

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 02737596b597..201b40a441fe 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -42,6 +42,7 @@
 #include <linux/mount.h>
 #include <linux/seq_file.h>
 #include <linux/quotaops.h>
+#include <linux/smp_lock.h>
 
 #define MLOG_MASK_PREFIX ML_SUPER
 #include <cluster/masklog.h>
@@ -581,6 +582,8 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
         struct mount_options parsed_options;
         struct ocfs2_super *osb = OCFS2_SB(sb);
 
+        lock_kernel();
+
         if (!ocfs2_parse_options(sb, data, &parsed_options, 1)) {
                 ret = -EINVAL;
                 goto out;
@@ -684,6 +687,7 @@ unlock_osb:
                         ocfs2_set_journal_params(osb);
         }
 out:
+        unlock_kernel();
         return ret;
 }