linux-kernel - [PATCH 3/2] block: remove ioctl_by

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Date:   Tue, 19 May 2020 16:33:21 +0200
From:   Christoph Hellwig <hch@....de>
To:     Stefan Haberland <sth@...ux.ibm.com>
Cc:     hch@....de, axboe@...nel.dk, hoeppner@...ux.ibm.com,
        linux-s390@...r.kernel.org, heiko.carstens@...ibm.com,
        gor@...ux.ibm.com, linux-kernel@...r.kernel.org,
        borntraeger@...ibm.com
Subject: [PATCH 3/2] block: remove ioctl_by_bdev

No callers left.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/block_dev.c     | 12 ------------
 include/linux/fs.h |  1 -
 2 files changed, 13 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index ebd1507789d29..2eb92456a22e7 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -2166,18 +2166,6 @@ const struct file_operations def_blk_fops = {
 	.fallocate	= blkdev_fallocate,
 };
 
-int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg)
-{
-	int res;
-	mm_segment_t old_fs = get_fs();
-	set_fs(KERNEL_DS);
-	res = blkdev_ioctl(bdev, 0, cmd, arg);
-	set_fs(old_fs);
-	return res;
-}
-
-EXPORT_SYMBOL(ioctl_by_bdev);
-
 /**
  * lookup_bdev  - lookup a struct block_device by name
  * @pathname:	special file representing the block device
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1a95e51588113..861ca61d728bc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2636,7 +2636,6 @@ extern int sync_filesystem(struct super_block *);
 extern const struct file_operations def_blk_fops;
 extern const struct file_operations def_chr_fops;
 #ifdef CONFIG_BLOCK
-extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
 extern int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
 extern int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder);
-- 
2.26.2