Looks good,
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
On 10/27/19 7:06 AM, Damien Le Moal wrote:
> REQ_OP_ZONE_RESET operations cannot be merged as these bios and requests
> do not have a size and are never sequential due to the zone start sector
> position required for their execution. As a result, there is no point in
> using a plug around blkdev_reset_zones() bio issuing loop. This patch
> removes this unnecessary plugging.
>
> Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx>
> ---
> block/blk-zoned.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/block/blk-zoned.c b/block/blk-zoned.c
> index 4bc5f260248a..7fe376eede86 100644
> --- a/block/blk-zoned.c
> +++ b/block/blk-zoned.c
> @@ -258,7 +258,6 @@ int blkdev_reset_zones(struct block_device *bdev,
> sector_t zone_sectors;
> sector_t end_sector = sector + nr_sectors;
> struct bio *bio = NULL;
> - struct blk_plug plug;
> int ret;
>
> if (!blk_queue_is_zoned(q))
> @@ -283,7 +282,6 @@ int blkdev_reset_zones(struct block_device *bdev,
> end_sector != bdev->bd_part->nr_sects)
> return -EINVAL;
>
> - blk_start_plug(&plug);
> while (sector < end_sector) {
>
> bio = blk_next_bio(bio, 0, gfp_mask);
> @@ -301,8 +299,6 @@ int blkdev_reset_zones(struct block_device *bdev,
> ret = submit_bio_wait(bio);
> bio_put(bio);
>
> - blk_finish_plug(&plug);
> -
> return ret;
> }
> EXPORT_SYMBOL_GPL(blkdev_reset_zones);
>
