From 3d2e79894bd7adc7d14638a0c72ceb8b722d1fa3 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 10 Aug 2021 17:45:12 +0200 Subject: [PATCH] block: pass a gendisk to bdev_resize_partition bdev_resize_partition can only operate on the whole device. Make that clear by passing a gendisk instead of a block_device. Signed-off-by: Christoph Hellwig Link: https://lore.kernel.org/r/20210810154512.1809898-5-hch@lst.de Signed-off-by: Jens Axboe --- block/blk.h | 4 ++-- block/ioctl.c | 2 +- block/partitions/core.c | 12 ++++++------ 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/block/blk.h b/block/blk.h index 21c441e..db6f82b 100644 --- a/block/blk.h +++ b/block/blk.h @@ -350,8 +350,8 @@ void blk_free_ext_minor(unsigned int minor); int bdev_add_partition(struct gendisk *disk, int partno, sector_t start, sector_t length); int bdev_del_partition(struct gendisk *disk, int partno); -int bdev_resize_partition(struct block_device *bdev, int partno, - sector_t start, sector_t length); +int bdev_resize_partition(struct gendisk *disk, int partno, sector_t start, + sector_t length); int bio_add_hw_page(struct request_queue *q, struct bio *bio, struct page *page, unsigned int len, unsigned int offset, diff --git a/block/ioctl.c b/block/ioctl.c index 8f57b27..eb0491e 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -43,7 +43,7 @@ static int blkpg_do_ioctl(struct block_device *bdev, return -EINVAL; return bdev_add_partition(disk, p.pno, start, length); case BLKPG_RESIZE_PARTITION: - return bdev_resize_partition(bdev, p.pno, start, length); + return bdev_resize_partition(disk, p.pno, start, length); default: return -EINVAL; } diff --git a/block/partitions/core.c b/block/partitions/core.c index 8c7abf0..9265936 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -497,14 +497,14 @@ out_unlock: return ret; } -int bdev_resize_partition(struct block_device *bdev, int partno, - sector_t start, sector_t length) +int bdev_resize_partition(struct gendisk *disk, int partno, sector_t start, + sector_t length) { struct block_device *part = NULL; int ret = -ENXIO; - mutex_lock(&bdev->bd_disk->open_mutex); - part = xa_load(&bdev->bd_disk->part_tbl, partno); + mutex_lock(&disk->open_mutex); + part = xa_load(&disk->part_tbl, partno); if (!part) goto out_unlock; @@ -513,14 +513,14 @@ int bdev_resize_partition(struct block_device *bdev, int partno, goto out_unlock; ret = -EBUSY; - if (partition_overlaps(bdev->bd_disk, start, length, partno)) + if (partition_overlaps(disk, start, length, partno)) goto out_unlock; bdev_set_nr_sectors(part, length); ret = 0; out_unlock: - mutex_unlock(&bdev->bd_disk->open_mutex); + mutex_unlock(&disk->open_mutex); return ret; } -- 2.7.4