blk_add_trace_bio(9) Add a trace for a bio oriented action

SYNOPSIS

void blk_add_trace_bio(struct request_queue * q, struct bio * bio, u32 what, int error);

ARGUMENTS

q

queue the io is for

bio

the source bio

what

the action

error

error, if any

DESCRIPTION

Records an action against a bio. Will log the bio offset + size.

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