1 files changed, 9 insertions, 2 deletions

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 7602783d7f41..46a1f6d75104 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1971,6 +1971,7 @@ int ocfs2_change_file_space(struct file *file, unsigned int cmd,
 {
         struct inode *inode = file->f_path.dentry->d_inode;
         struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+        int ret;
 
         if ((cmd == OCFS2_IOC_RESVSP || cmd == OCFS2_IOC_RESVSP64) &&
             !ocfs2_writes_unwritten_extents(osb))
@@ -1985,7 +1986,12 @@ int ocfs2_change_file_space(struct file *file, unsigned int cmd,
         if (!(file->f_mode & FMODE_WRITE))
                 return -EBADF;
 
-        return __ocfs2_change_file_space(file, inode, file->f_pos, cmd, sr, 0);
+        ret = mnt_want_write_file(file);
+        if (ret)
+                return ret;
+        ret = __ocfs2_change_file_space(file, inode, file->f_pos, cmd, sr, 0);
+        mnt_drop_write_file(file);
+        return ret;
 }
 
 static long ocfs2_fallocate(struct file *file, int mode, loff_t offset,
@@ -2261,7 +2267,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
         if (iocb->ki_left == 0)
                 return 0;
 
-        vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE);
+        sb_start_write(inode->i_sb);
 
         appending = file->f_flags & O_APPEND ? 1 : 0;
         direct_io = file->f_flags & O_DIRECT ? 1 : 0;
@@ -2436,6 +2442,7 @@ out_sems:
                 ocfs2_iocb_clear_sem_locked(iocb);
 
         mutex_unlock(&inode->i_mutex);
+        sb_end_write(inode->i_sb);
 
         if (written)
                 ret = written;