[PATCH 3/4] block: pass a gendisk to bdev_del_partition
From: Christoph Hellwig <hch@lst.de>
Date: 2021-08-10 15:50:11
Also in:
linux-block, linux-efi
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
bdev_del_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 <hch@lst.de> --- block/blk.h | 2 +- block/ioctl.c | 2 +- block/partitions/core.c | 8 ++++---- 3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/block/blk.h b/block/blk.h
index c0486f609978..21c441eb6773 100644
--- a/block/blk.h
+++ b/block/blk.h@@ -349,7 +349,7 @@ void blk_free_ext_minor(unsigned int minor); #define ADDPART_FLAG_WHOLEDISK 2 int bdev_add_partition(struct gendisk *disk, int partno, sector_t start, sector_t length); -int bdev_del_partition(struct block_device *bdev, int partno); +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);
diff --git a/block/ioctl.c b/block/ioctl.c
index 36e0ec76b3b2..8f57b276b2f1 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c@@ -31,7 +31,7 @@ static int blkpg_do_ioctl(struct block_device *bdev, return -EINVAL; if (op == BLKPG_DEL_PARTITION) - return bdev_del_partition(bdev, p.pno); + return bdev_del_partition(disk, p.pno); start = p.start >> SECTOR_SHIFT; length = p.length >> SECTOR_SHIFT;
diff --git a/block/partitions/core.c b/block/partitions/core.c
index af450931322d..679bbe82a227 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c@@ -476,13 +476,13 @@ int bdev_add_partition(struct gendisk *disk, int partno, sector_t start, return ret; } -int bdev_del_partition(struct block_device *bdev, int partno) +int bdev_del_partition(struct gendisk *disk, int partno) { 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;
@@ -493,7 +493,7 @@ int bdev_del_partition(struct block_device *bdev, int partno) delete_partition(part); ret = 0; out_unlock: - mutex_unlock(&bdev->bd_disk->open_mutex); + mutex_unlock(&disk->open_mutex); return ret; }
--
2.30.2