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BLK_ADD_TRACE_BIO(9) Block Devices BLK_ADD_TRACE_BIO(9)

NAME

blk_add_trace_bio - 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.

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16