Re: [PATCH v2 05/10] block: reduce stack footprint dealing with block device names

From: Christoph Hellwig
Date: Wed Jun 23 2021 - 03:45:47 EST


On Tue, Jun 22, 2021 at 08:44:19PM +0300, Anton Suvorov wrote:
> Stack usage reduced (measured with allyesconfig):

Not just stack footprint, but also a whole lot cleaner code in general.

> - bdevname(state->bdev, b), blk);
> + pr_err("Dev %pg: unable to read RDB block %d\n", state->bdev, blk);

> - bdevname(state->bdev, b), blk);
> + pr_err("Dev %pg: RDB in block %d has bad checksum\n", state->bdev, blk);

> - pr_err("Dev %s: unable to read partition block %d\n",
> - bdevname(state->bdev, b), blk);
> + pr_err("Dev %pg: unable to read partition block %d\n", state->bdev, blk);

[...]

Please keep the non-format string arguments on separate lines instead
of creating unreadable lines.