[PATCH 7/8] block: remove bdgrab

Christoph Hellwig
2021-07-21T15:38:29Z

All callers are gone, and no one should grab a pure inode reference to
a block device anymore.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/block_dev.c | 15 ---------------
include/linux/blkdev.h | 1 -
2 files changed, 16 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 7de519dcfdff..5c56d88fd838 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -931,21 +931,6 @@ static struct block_device *bdget(dev_t dev)
return &BDEV_I(inode)->bdev;
}

-/**
- * bdgrab -- Grab a reference to an already referenced block device
- * @bdev: Block device to grab a reference to.
- *
- * Returns the block_device with an additional reference when successful,
- * or NULL if the inode is already beeing freed.
- */
-struct block_device *bdgrab(struct block_device *bdev)
-{
- if (!igrab(bdev->bd_inode))
- return NULL;
- return bdev;
-}
-EXPORT_SYMBOL(bdgrab);
-
long nr_blockdev_pages(void)
{
struct inode *inode;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 3177181c4326..98772da38bb1 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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);
-struct block_device *bdgrab(struct block_device *bdev);
void bdput(struct block_device *);
int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart,
loff_t lend);
--
2.30.2