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block: remove bdput

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Now that we've stopped using inode references for anything meaninful
in the block layer get rid of the helper to put it and just open code
the call to iput on the block_device inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Chaitanya Kulkarni <ckulkarnilinux@gmail.com>
Link: https://lore.kernel.org/r/20210722075402.983367-10-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-07-22 09:54:02 +02:00 committed by Jens Axboe
parent 14cf1dbb55
commit 2f4731dcd0
4 changed files with 3 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
block/genhd.c
View File

@ -1076,7 +1076,7 @@ static void disk_release(struct device *dev)
xa_destroy(&disk->part_tbl);
if (test_bit(GD_QUEUE_REF, &disk->state) && disk->queue)
blk_put_queue(disk->queue);
bdput(disk->part0); /* frees the disk */
iput(disk->part0->bd_inode); /* frees the disk */
}
struct class block_class = {
.name = "block",
@ -1261,7 +1261,7 @@ struct gendisk *__alloc_disk_node(int minors, int node_id)
out_destroy_part_tbl:
xa_destroy(&disk->part_tbl);
bdput(disk->part0);
iput(disk->part0->bd_inode);
out_free_disk:
kfree(disk);
return NULL;

2
block/partitions/core.c
View File

@ -262,7 +262,7 @@ static void part_release(struct device *dev)
if (MAJOR(dev->devt) == BLOCK_EXT_MAJOR)
blk_free_ext_minor(MINOR(dev->devt));
put_disk(dev_to_bdev(dev)->bd_disk);
bdput(dev_to_bdev(dev));
iput(dev_to_bdev(dev)->bd_inode);
}
static int part_uevent(struct device *dev, struct kobj_uevent_env *env)

6
fs/block_dev.c
View File

@ -934,12 +934,6 @@ long nr_blockdev_pages(void)
return ret;
}
void bdput(struct block_device *bdev)
{
iput(bdev->bd_inode);
}
EXPORT_SYMBOL(bdput);
/**
* bd_may_claim - test whether a block device can be claimed
* @bdev: block device of interest

1
include/linux/blkdev.h
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@ -1984,7 +1984,6 @@ void blkdev_put_no_open(struct block_device *bdev);
struct block_device *bdev_alloc(struct gendisk *disk, u8 partno);
void bdev_add(struct block_device *bdev, dev_t dev);
struct block_device *I_BDEV(struct inode *inode);
void bdput(struct block_device *);
int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart,
loff_t lend);