# \[PATCH v2 07/10\] vfs: reduce stack footprint in \_\_blkdev\_put()

- From: Anton Suvorov \<hidden\>
- Date: 2021-06-22 17:45:00 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2021/06/208489
- Thread: https://ratatoskr.run/linux-block/2021/06/207019/t.md

```text
Stack usage reduced (measured with allyesconfig):

./fs/block_dev.c        __blkdev_put    224     80      -144

Signed-off-by: Anton Suvorov <redacted>
---
 fs/block_dev.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 7dad51878dfc..3adadb981777 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -64,10 +64,8 @@ static void bdev_write_inode(struct block_device *bdev)
 		spin_unlock(&inode->i_lock);
 		ret = write_inode_now(inode, true);
 		if (ret) {
-			char name[BDEVNAME_SIZE];
-			pr_warn_ratelimited("VFS: Dirty inode writeback failed "
-					    "for block device %s (err=%d).\n",
-					    bdevname(bdev, name), ret);
+			pr_warn_ratelimited("VFS: Dirty inode writeback failed for block device %pg (err=%d).\n",
+					    bdev, ret);
 		}
 		spin_lock(&inode->i_lock);
 	}
-- 
2.25.1

```