From 881494ed031f60d48041549368989a37405a7e50 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 11 Apr 2024 15:53:41 +0100 Subject: [PATCH] blk_ioctl_{discard,zeroout}(): we only want ->bd_inode->i_mapping here... Signed-off-by: Al Viro Link: https://lore.kernel.org/r/20240411145346.2516848-6-viro@zeniv.linux.org.uk Signed-off-by: Christian Brauner --- block/ioctl.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/block/ioctl.c b/block/ioctl.c index 7c13d8bed453..831d6350ca25 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -97,7 +97,6 @@ static int blk_ioctl_discard(struct block_device *bdev, blk_mode_t mode, { uint64_t range[2]; uint64_t start, len, end; - struct inode *inode = bdev->bd_inode; int err; if (!(mode & BLK_OPEN_WRITE)) @@ -121,13 +120,13 @@ static int blk_ioctl_discard(struct block_device *bdev, blk_mode_t mode, end > bdev_nr_bytes(bdev)) return -EINVAL; - filemap_invalidate_lock(inode->i_mapping); + filemap_invalidate_lock(bdev->bd_mapping); err = truncate_bdev_range(bdev, mode, start, start + len - 1); if (err) goto fail; err = blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_KERNEL); fail: - filemap_invalidate_unlock(inode->i_mapping); + filemap_invalidate_unlock(bdev->bd_mapping); return err; } @@ -167,7 +166,6 @@ static int blk_ioctl_zeroout(struct block_device *bdev, blk_mode_t mode, { uint64_t range[2]; uint64_t start, end, len; - struct inode *inode = bdev->bd_inode; int err; if (!(mode & BLK_OPEN_WRITE)) @@ -190,7 +188,7 @@ static int blk_ioctl_zeroout(struct block_device *bdev, blk_mode_t mode, return -EINVAL; /* Invalidate the page cache, including dirty pages */ - filemap_invalidate_lock(inode->i_mapping); + filemap_invalidate_lock(bdev->bd_mapping); err = truncate_bdev_range(bdev, mode, start, end); if (err) goto fail; @@ -199,7 +197,7 @@ static int blk_ioctl_zeroout(struct block_device *bdev, blk_mode_t mode, BLKDEV_ZERO_NOUNMAP); fail: - filemap_invalidate_unlock(inode->i_mapping); + filemap_invalidate_unlock(bdev->bd_mapping); return err; }