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Message-ID: <ZdyRhpViddO9TKDs@casper.infradead.org>
Date: Mon, 26 Feb 2024 13:26:30 +0000
From: Matthew Wilcox <willy@...radead.org>
To: "Pankaj Raghav (Samsung)" <kernel@...kajraghav.com>
Cc: linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, david@...morbit.com,
	chandan.babu@...cle.com, akpm@...ux-foundation.org,
	mcgrof@...nel.org, ziy@...dia.com, hare@...e.de, djwong@...nel.org,
	gost.dev@...sung.com, linux-mm@...ck.org,
	Pankaj Raghav <p.raghav@...sung.com>
Subject: Re: [PATCH 13/13] xfs: enable block size larger than page size
 support

On Mon, Feb 26, 2024 at 10:49:36AM +0100, Pankaj Raghav (Samsung) wrote:
> @@ -1625,16 +1625,10 @@ xfs_fs_fill_super(
>  		goto out_free_sb;
>  	}
>  
> -	/*
> -	 * Until this is fixed only page-sized or smaller data blocks work.
> -	 */
>  	if (mp->m_sb.sb_blocksize > PAGE_SIZE) {
>  		xfs_warn(mp,
> -		"File system with blocksize %d bytes. "
> -		"Only pagesize (%ld) or less will currently work.",
> -				mp->m_sb.sb_blocksize, PAGE_SIZE);
> -		error = -ENOSYS;
> -		goto out_free_sb;
> +"EXPERIMENTAL: Filesystem with Large Block Size (%d bytes) enabled.",
> +			mp->m_sb.sb_blocksize);

WARN seems a little high for this.  xfs_notice() or xfs_info() would
seem more appropriate:

#define KERN_WARNING    KERN_SOH "4"    /* warning conditions */
#define KERN_NOTICE     KERN_SOH "5"    /* normal but significant condition */
#define KERN_INFO       KERN_SOH "6"    /* informational */


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