nilfs2_direct_IO(): remove dead code

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 20 deletions

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 258d9fe2521a..4a73d6dffabf 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -307,31 +307,13 @@ static int nilfs_write_end(struct file *file, struct address_space *mapping,
 static ssize_t
 nilfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
 {
-        struct file *file = iocb->ki_filp;
-        struct address_space *mapping = file->f_mapping;
-        struct inode *inode = file->f_mapping->host;
-        size_t count = iov_iter_count(iter);
-        ssize_t size;
+        struct inode *inode = file_inode(iocb->ki_filp);
 
         if (iov_iter_rw(iter) == WRITE)
                 return 0;
 
         /* Needs synchronization with the cleaner */
-        size = blockdev_direct_IO(iocb, inode, iter, offset, nilfs_get_block);
-
-        /*
-         * In case of error extending write may have instantiated a few
-         * blocks outside i_size. Trim these off again.
-         */
-        if (unlikely(iov_iter_rw(iter) == WRITE && size < 0)) {
-                loff_t isize = i_size_read(inode);
-                loff_t end = offset + count;
-
-                if (end > isize)
-                        nilfs_write_failed(mapping, end);
-        }
-
-        return size;
+        return blockdev_direct_IO(iocb, inode, iter, offset, nilfs_get_block);
 }
 
 const struct address_space_operations nilfs_aops = {