tree 9a567a65a6a3582ec92a93955f6e7a713448e038
parent a10584c3cda9cbb1a1ccd072783bfd625f99e40d
author Christoph Hellwig <hch@lst.de> 1554963809 +0200
committer Jens Axboe <axboe@kernel.dk> 1555081599 -0600

block: don't allow multiple bio_iov_iter_get_pages calls per bio

No caller uses bio_iov_iter_get_pages multiple times on a given bio,
and that funtionality isn't all that useful.  Removing it will make
some future changes a little easier and also simplifies the function
a bit.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>