lightnvm/pblk-read: use bio_clone_fast()
authorNeilBrown <neilb@suse.com>
Sun, 18 Jun 2017 04:38:58 +0000 (14:38 +1000)
committerJens Axboe <axboe@kernel.dk>
Sun, 18 Jun 2017 18:40:59 +0000 (12:40 -0600)
commitb25d52379ad87800a93311c42e36f8dd1d7d8e98
tree7bf333a9a4dc42d1f143b8cc8ee249bdb7d3563b
parenta1d91404cb69daee07282b331ce58c4ab2e7a620
lightnvm/pblk-read: use bio_clone_fast()

pblk_submit_read() uses bio_clone_bioset() but doesn't change the
io_vec, so bio_clone_fast() is a better choice.

It also uses fs_bio_set which is intended for filesystems.  Using it
in a device driver can deadlock.
So allocate a new bioset, and and use bio_clone_fast().

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Javier González <javier@cnexlabs.com>
Tested-by: Javier González <javier@cnexlabs.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/lightnvm/pblk-init.c
drivers/lightnvm/pblk-read.c
drivers/lightnvm/pblk.h