1. NAME

blk_rq_unmap_user - unmap a request with user data

2. SYNOPSIS

int blk_rq_unmap_user(struct bio *  bio );

3. ARGUMENTS

bio
    start of bio list

4. DESCRIPTION

Unmap a rq previously mapped by blk_rq_map_user. The caller must supply the original rq->bio from the blk_rq_map_user return, since the I/O completion may have changed rq->bio.

5. COPYRIGHT