simplify gendisk and request_queue allocation for blk-mq based drivers
- To: Jens Axboe <axboe@kernel.dk>
- Cc: Justin Sanders <justin@coraid.com>, Denis Efremov <efremov@linux.com>, Josef Bacik <josef@toxicpanda.com>, Tim Waugh <tim@cyberelk.net>, Geoff Levand <geoff@infradead.org>, Ilya Dryomov <idryomov@gmail.com>, "Md. Haris Iqbal" <haris.iqbal@ionos.com>, Jack Wang <jinpu.wang@ionos.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Roger Pau Monné <roger.pau@citrix.com>, Mike Snitzer <snitzer@redhat.com>, Maxim Levitsky <maximlevitsky@gmail.com>, Alex Dubov <oakad@yahoo.com>, Miquel Raynal <miquel.raynal@bootlin.com>, Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, Heiko Carstens <hca@linux.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>, Christian Borntraeger <borntraeger@de.ibm.com>, dm-devel@redhat.com, linux-block@vger.kernel.org, nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org
- Subject: simplify gendisk and request_queue allocation for blk-mq based drivers
- From: Christoph Hellwig <hch@lst.de>
- Date: Wed, 2 Jun 2021 09:53:15 +0300
- Message-id: <[🔎] 20210602065345.355274-1-hch@lst.de>
Hi all,
this series is the scond part of cleaning up lifetimes and allocation of
the gendisk and request_queue structure. It adds a new interface to
allocate the disk and queue together for blk based drivers, and uses that
in all drivers that do not have any caveats in their gendisk and
request_queue lifetime rules.
Diffstat:
block/blk-mq.c | 91 +++++++++++++++-------------------
block/blk.h | 1
block/elevator.c | 2
drivers/block/amiflop.c | 16 +-----
drivers/block/aoe/aoeblk.c | 33 ++++--------
drivers/block/aoe/aoedev.c | 3 -
drivers/block/ataflop.c | 16 +-----
drivers/block/floppy.c | 20 +------
drivers/block/loop.c | 19 ++-----
drivers/block/nbd.c | 53 +++++++------------
drivers/block/null_blk/main.c | 11 +---
drivers/block/paride/pcd.c | 19 +++----
drivers/block/paride/pd.c | 30 ++++-------
drivers/block/paride/pf.c | 18 ++----
drivers/block/ps3disk.c | 36 +++++--------
drivers/block/rbd.c | 52 ++++++-------------
drivers/block/rnbd/rnbd-clt.c | 35 +++----------
drivers/block/sunvdc.c | 47 ++++-------------
drivers/block/swim.c | 34 +++++-------
drivers/block/swim3.c | 33 +++++-------
drivers/block/sx8.c | 23 ++------
drivers/block/virtio_blk.c | 26 ++-------
drivers/block/xen-blkfront.c | 96 ++++++++++++++----------------------
drivers/block/z2ram.c | 15 +----
drivers/cdrom/gdrom.c | 45 +++++++---------
drivers/md/dm-rq.c | 9 +--
drivers/memstick/core/ms_block.c | 25 +++------
drivers/memstick/core/mspro_block.c | 26 ++++-----
drivers/mtd/mtd_blkdevs.c | 48 ++++++++----------
drivers/mtd/ubi/block.c | 68 ++++++++++---------------
drivers/s390/block/scm_blk.c | 21 ++-----
include/linux/blk-mq.h | 24 ++++++---
include/linux/elevator.h | 1
33 files changed, 386 insertions(+), 610 deletions(-)
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