nilfs2: avoid duplicate segment construction for fsync()

[pandora-kernel.git] / fs / nilfs2 / file.c

diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index e9e3325..3a03e0a 100644 (file)
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -39,21 +39,15 @@ int nilfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
         */
        struct the_nilfs *nilfs;
        struct inode *inode = file->f_mapping->host;
-       int err;
-
-       err = filemap_write_and_wait_range(inode->i_mapping, start, end);
-       if (err)
-               return err;
-       mutex_lock(&inode->i_mutex);
+       int err = 0;
 
        if (nilfs_inode_dirty(inode)) {
                if (datasync)
                        err = nilfs_construct_dsync_segment(inode->i_sb, inode,
-                                                           0, LLONG_MAX);
+                                                           start, end);
                else
                        err = nilfs_construct_segment(inode->i_sb);
        }
-       mutex_unlock(&inode->i_mutex);
 
        nilfs = inode->i_sb->s_fs_info;
        if (!err)