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-rw-r--r--fs/ext4/super.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index c17200a4230..012c4251397 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3422,6 +3422,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
int i;
#endif
+ lock_kernel();
+
/* Store the original options */
lock_super(sb);
old_sb_flags = sb->s_flags;
@@ -3558,6 +3560,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
kfree(old_opts.s_qf_names[i]);
#endif
unlock_super(sb);
+ unlock_kernel();
return 0;
restore_opts:
@@ -3578,6 +3581,7 @@ restore_opts:
}
#endif
unlock_super(sb);
+ unlock_kernel();
return err;
}