BLK_RQ_UNMAP_USER(9)                      Block Devices                      BLK_RQ_UNMAP_USER(9)



NAME
       blk_rq_unmap_user - unmap a request with user data

SYNOPSIS
       int blk_rq_unmap_user(struct bio * bio);

ARGUMENTS
       bio
           start of bio list

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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                      BLK_RQ_UNMAP_USER(9)