blk_end_io — Generic end_io function to complete a request.
int blk_end_io ( | struct request * | rq, |
| int | error, | |
| unsigned int | nr_bytes, | |
| unsigned int | bidi_bytes, | |
| int ()(struct request *) | drv_callback); |
rqthe request being processed
error0 for success, < 0 for error
nr_bytes
number of bytes to complete rq
bidi_bytes
number of bytes to complete rq->next_rq
drv_callbackfunction called between completion of bios in the request and completion of the request. If the callback returns non 0, this helper returns without completion of the request.