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authorChristoph Hellwig <hch@lst.de>2025-04-23 07:37:40 +0200
committerJens Axboe <axboe@kernel.dk>2025-04-24 07:35:09 -0600
commitd13b7090b2510abaa83a25717466decca23e8226 (patch)
tree2f5a579223fe89a4216246db96608b5b995acd74 /block
parentc63202140d4b411d27380805c4d68eb11407b7f2 (diff)
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: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20250423053810.1683309-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/bdev.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/block/bdev.c b/block/bdev.c
index e29b3b6d1707..b57c2c0853fc 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -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;