2011/10/19 Praveen G K <praveen...@gmail.com>: > Also, can somebody please tell me the significance of blk_end_request? Thanks. > Why do we call this after every block read or write?
Because you want to update the struct request with the amount written/read. If the entire requested I/O range has been satiffied, blk_end_request also calls blk_finish_request and completes the request. I/O is asynchronous - hence, you need to let whatever made the request know it's completed. A -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
