--- a/fs/yaffs2/yaffs_fs.c Tue Aug 2 20:43:50 2005 +++ b/fs/yaffs2/yaffs_fs.c Thu Aug 4 23:28:08 2005 @@ -479,64 +479,76 @@ } // writepage inspired by/stolen from smbfs // #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_writepage(struct page *page, struct writeback_control *wbc) #else static int yaffs_writepage(struct page *page) #endif { struct address_space *mapping = page->mapping; + loff_t offset = (loff_t)page->index << PAGE_CACHE_SHIFT; struct inode *inode; unsigned long end_index; char *buffer; yaffs_Object *obj; int nWritten = 0; unsigned nBytes; if (!mapping) BUG(); inode = mapping->host; if (!inode) BUG(); + if (offset > inode->i_size) + { + T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_writepage at %08x, inode size = %08x!!!\n", (unsigned)(page->index << PAGE_CACHE_SHIFT), (unsigned) inode->i_size)); + T(YAFFS_TRACE_OS,(KERN_DEBUG" -> don't care!!\n")); + return 0; + } + end_index = inode->i_size >> PAGE_CACHE_SHIFT; /* easy case */ if (page->index < end_index) { nBytes = PAGE_CACHE_SIZE; } else { nBytes = inode->i_size & (PAGE_CACHE_SIZE-1); } // What's happening here? ///* OK, are we completely out? */ //if (page->index >= end_index+1 || !offset) // return -EIO; get_page(page); buffer = kmap(page); obj = yaffs_InodeToObject(inode); yaffs_GrossLock(obj->myDev); + T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_writepage at %08x, size %08x\n", (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes)); + T(YAFFS_TRACE_OS,(KERN_DEBUG"writepag0: obj = %05x, ino = %05x\n", (int) obj->variant.fileVariant.fileSize, (int) inode->i_size)); nWritten = yaffs_WriteDataToFile(obj,buffer,page->index << PAGE_CACHE_SHIFT,nBytes,0); + T(YAFFS_TRACE_OS,(KERN_DEBUG"writepag1: obj = %05x, ino = %05x\n", (int) obj->variant.fileVariant.fileSize, (int) inode->i_size)); + yaffs_GrossUnlock(obj->myDev); kunmap(page); SetPageUptodate(page); UnlockPage(page); put_page(page); return (nWritten == nBytes) ? 0 : -ENOSPC; }