process_that_request_first

Name

process_that_request_first --  process partial request submission

Synopsis

int process_that_request_first (struct request * req, unsigned int nr_sectors);

Arguments

req

the request being processed

nr_sectors

number of sectors I/O has been submitted on

Description

May be used for processing bio's while submitting I/O without signalling completion. Fails if more data is requested than is available in the request in which case it doesn't advance any pointers.

Assumes a request is correctly set up. No sanity checks.

Return

0 - no more data left to submit (not processed) 1 - data available to submit for this request (processed)