Commit d13b7090 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: remove the backing_inode variable in bdev_statx 



backing_inode is only used once, so remove it and update the comment
describing the bdev lookup to be a bit more clear.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarChristian Brauner <brauner@kernel.org>
Acked-by: default avatarTejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20250423053810.1683309-3-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent c6320214

block/bdev.c

+4 −7
Original line number Diff line number Diff line
@@ -1313,18 +1313,15 @@ void sync_bdevs(bool wait) 
void bdev_statx(struct path *path, struct kstat *stat,

		u32 request_mask)

{

	struct inode *backing_inode;

	struct block_device *bdev;



	backing_inode = d_backing_inode(path->dentry);



	/*

	 * Note that backing_inode is the inode of a block device node file,

	 * not the block device's internal inode.  Therefore it is *not* valid

	 * to use I_BDEV() here; the block device has to be looked up by i_rdev

	 * Note that d_backing_inode() returns the block device node inode, not

	 * the block device's internal inode.  Therefore it is *not* valid to

	 * use I_BDEV() here; the block device has to be looked up by i_rdev

	 * instead.

	 */

	bdev = blkdev_get_no_open(backing_inode->i_rdev);

	bdev = blkdev_get_no_open(d_backing_inode(path->dentry)->i_rdev);

	if (!bdev)

		return;