blk_rq_err_bytes9
Determine number of bytes till the next failure boundary
Usage
unsigned int blk_rq_err_bytes(const struct request * rq);
Arguments
rq
request to examine
Overview
A request could be merge of IOs which require different failure handling. This function determines the number of bytes which can be failed from the beginning of the request without crossing into area which need to be retried further.
Return
The number of bytes to fail.
Context
queue_lock must be held.
Releases
4 releases since Debian 6.0 (Squeeze); the text changed 3 times.