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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

April 2019 Kernel Hackers Manual 4.9.