udf: Use i_size_read() in udf_adinicb_writepage()



We don't hold inode_lock in udf_adinicb_writepage() so use i_size_read()
to get i_size. This cannot cause real problems is i_size is guaranteed
to be small but let's be careful.

Signed-off-by: Jan Kara <jack@suse.cz>

parent 9795e0e8

fs/udf/file.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -76,7 +76,8 @@ static int udf_adinicb_writepage(struct page *page,
		BUG_ON(!PageLocked(page));

		kaddr = kmap_atomic(page);
		memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr, kaddr, inode->i_size);
		memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr, kaddr,
		i_size_read(inode));
		SetPageUptodate(page);
		kunmap_atomic(kaddr);
		mark_inode_dirty(inode);