> On 1 May 2019, at 06.28, Chaitanya Kulkarni <Chaitanya.Kulkarni@xxxxxxx> wrote:
>
> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
> ---
> drivers/block/drbd/drbd_actlog.c | 2 ++
> drivers/block/drbd/drbd_bitmap.c | 3 +++
> drivers/block/xen-blkback/blkback.c | 3 +++
> drivers/block/zram/zram_drv.c | 2 ++
> drivers/lightnvm/pblk-read.c | 2 ++
> drivers/lightnvm/pblk-write.c | 1 +
> drivers/md/bcache/journal.c | 2 ++
> drivers/md/bcache/super.c | 2 ++
> drivers/md/dm-bufio.c | 2 ++
> drivers/md/dm-cache-target.c | 1 +
> drivers/md/dm-io.c | 2 ++
> drivers/md/dm-log-writes.c | 5 +++++
> drivers/md/dm-thin.c | 1 +
> drivers/md/dm-writecache.c | 2 ++
> drivers/md/dm-zoned-metadata.c | 4 ++++
> drivers/md/md.c | 4 ++++
> drivers/md/raid5-cache.c | 4 ++++
> drivers/md/raid5-ppl.c | 3 +++
> drivers/nvme/target/io-cmd-bdev.c | 7 +++++++
> drivers/staging/erofs/internal.h | 3 +++
> drivers/target/target_core_iblock.c | 3 +++
> 21 files changed, 58 insertions(+)
>
> diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
> index 5f0eaee8c8a7..67235633c172 100644
> --- a/drivers/block/drbd/drbd_actlog.c
> +++ b/drivers/block/drbd/drbd_actlog.c
> @@ -27,6 +27,7 @@
> #include <linux/crc32c.h>
> #include <linux/drbd.h>
> #include <linux/drbd_limits.h>
> +#include <linux/ioprio.h>
> #include "drbd_int.h"
>
>
> @@ -159,6 +160,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device,
> bio->bi_private = device;
> bio->bi_end_io = drbd_md_endio;
> bio_set_op_attrs(bio, op, op_flags);
> + bio_set_prio(bio, get_current_ioprio());
>
> if (op != REQ_OP_WRITE && device->state.disk == D_DISKLESS && device->ldev == NULL)
> /* special case, drbd_md_read() during drbd_adm_attach(): no get_ldev */
> diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
> index 11a85b740327..e7cb027488c7 100644
> --- a/drivers/block/drbd/drbd_bitmap.c
> +++ b/drivers/block/drbd/drbd_bitmap.c
> @@ -30,6 +30,7 @@
> #include <linux/drbd.h>
> #include <linux/slab.h>
> #include <linux/highmem.h>
> +#include <linux/ioprio.h>
>
> #include "drbd_int.h"
>
> @@ -1028,6 +1029,8 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
> bio->bi_private = ctx;
> bio->bi_end_io = drbd_bm_endio;
> bio_set_op_attrs(bio, op, 0);
> + bio_set_prio(bio, get_current_ioprio());
> +
>
> if (drbd_insert_fault(device, (op == REQ_OP_WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) {
> bio_io_error(bio);
> diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
> index fd1e19f1a49f..41294944267d 100644
> --- a/drivers/block/xen-blkback/blkback.c
> +++ b/drivers/block/xen-blkback/blkback.c
> @@ -42,6 +42,7 @@
> #include <linux/delay.h>
> #include <linux/freezer.h>
> #include <linux/bitmap.h>
> +#include <linux/ioprio.h>
>
> #include <xen/events.h>
> #include <xen/page.h>
> @@ -1375,6 +1376,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
> bio->bi_end_io = end_block_io_op;
> bio->bi_iter.bi_sector = preq.sector_number;
> bio_set_op_attrs(bio, operation, operation_flags);
> + bio_set_prio(bio, get_current_ioprio());
> }
>
> preq.sector_number += seg[i].nsec;
> @@ -1393,6 +1395,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
> bio->bi_private = pending_req;
> bio->bi_end_io = end_block_io_op;
> bio_set_op_attrs(bio, operation, operation_flags);
> + bio_set_prio(bio, get_current_ioprio());
> }
>
> atomic_set(&pending_req->pendcnt, nbio);
> diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
> index 399cad7daae7..1a4e3b0e98ad 100644
> --- a/drivers/block/zram/zram_drv.c
> +++ b/drivers/block/zram/zram_drv.c
> @@ -33,6 +33,7 @@
> #include <linux/sysfs.h>
> #include <linux/debugfs.h>
> #include <linux/cpuhotplug.h>
> +#include <linux/ioprio.h>
>
> #include "zram_drv.h"
>
> @@ -596,6 +597,7 @@ static int read_from_bdev_async(struct zram *zram, struct bio_vec *bvec,
>
> bio->bi_iter.bi_sector = entry * (PAGE_SIZE >> 9);
> bio_set_dev(bio, zram->bdev);
> + bio_set_prio(bio, get_current_ioprio());
> if (!bio_add_page(bio, bvec->bv_page, bvec->bv_len, bvec->bv_offset)) {
> bio_put(bio);
> return -EIO;
> diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
> index 0b7d5fb4548d..2b866744545e 100644
> --- a/drivers/lightnvm/pblk-read.c
> +++ b/drivers/lightnvm/pblk-read.c
> @@ -16,6 +16,7 @@
> * pblk-read.c - pblk's read path
> */
>
> +#include <linux/ioprio.h>
> #include "pblk.h"
>
> /*
> @@ -336,6 +337,7 @@ static int pblk_setup_partial_read(struct pblk *pblk, struct nvm_rq *rqd,
>
> new_bio->bi_iter.bi_sector = 0; /* internal bio */
> bio_set_op_attrs(new_bio, REQ_OP_READ, 0);
> + bio_set_prio(bio, get_current_ioprio());
>
> rqd->bio = new_bio;
> rqd->nr_ppas = nr_holes;
> diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
> index 6593deab52da..3fdbbff40fde 100644
> --- a/drivers/lightnvm/pblk-write.c
> +++ b/drivers/lightnvm/pblk-write.c
> @@ -628,6 +628,7 @@ static int pblk_submit_write(struct pblk *pblk, int *secs_left)
>
> bio->bi_iter.bi_sector = 0; /* internal bio */
> bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
> + bio_set_prio(bio, get_current_ioprio());
>
> rqd = pblk_alloc_rqd(pblk, PBLK_WRITE);
> rqd->bio = bio;
>
pblk bits look god to me.
Reviewed-by: Javier González <javier@xxxxxxxxxxx>
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