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: Christoph Hellwig <hch@xxxxxx>
---
block/bdev.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/block/bdev.c b/block/bdev.c
index 6a34179192c9..1af9ed054f45 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -1274,18 +1274,15 @@ void sync_bdevs(bool wait)
*/
void bdev_statx(const 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;
--
2.47.2
