block: remove queue from struct blk_independent_access_range

The request queue pointer in struct blk_independent_access_range is
unused. Remove it.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Fixes: 41e46b3c2aa2 ("block: Fix potential deadlock in blk_ia_range_sysfs_show()")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220603053529.76405-1-damien.lemoal@opensource.wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-ia-ranges.c b/block/blk-ia-ranges.c
index 56ed48d..47c89e6 100644 (file)
--- a/block/blk-ia-ranges.c
+++ b/block/blk-ia-ranges.c
@@ -144,7 +144,6 @@ int disk_register_independent_access_ranges(struct gendisk *disk,
        }
 
        for (i = 0; i < iars->nr_ia_ranges; i++) {
-               iars->ia_range[i].queue = q;
                ret = kobject_init_and_add(&iars->ia_range[i].kobj,
                                           &blk_ia_range_ktype, &iars->kobj,
                                           "%d", i);

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 73c886e..2f7b434 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -342,7 +342,6 @@ static inline int blkdev_zone_mgmt_ioctl(struct block_device *bdev,
  */
 struct blk_independent_access_range {
        struct kobject          kobj;
-       struct request_queue    *queue;
        sector_t                sector;
        sector_t                nr_sectors;
 };