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From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Carlos Maiolino <cem@kernel.org>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 2/9] xfs: factor out a xfs_rtfile_initialize_buf helper
Date: Thu, 24 Sep 2026 12:02:06 -0700	[thread overview]
Message-ID: <20260924190206.GP2705364@frogsfrogsfrogs> (raw)
In-Reply-To: <20260924095740.2732474-3-hch@lst.de>

On Thu, Sep 24, 2026 at 11:57:03AM +0200, Christoph Hellwig wrote:
> Share the code to initialize the header and buf ops for rtfile blocks
> into a single helper.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  fs/xfs/libxfs/xfs_rtbitmap.c    | 38 +++++++++++++++++++++------------
>  fs/xfs/libxfs/xfs_rtbitmap.h    |  3 +++
>  fs/xfs/scrub/rtbitmap_repair.c  | 15 +------------
>  fs/xfs/scrub/rtsummary_repair.c | 15 +------------
>  4 files changed, 29 insertions(+), 42 deletions(-)

Nice cleanup!
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>

--D


> 
> diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
> index 3f7877220e05..5cadde81b5da 100644
> --- a/fs/xfs/libxfs/xfs_rtbitmap.c
> +++ b/fs/xfs/libxfs/xfs_rtbitmap.c
> @@ -1378,6 +1378,27 @@ xfs_rtfile_alloc_blocks(
>  	return error;
>  }
>  
> +void
> +xfs_rtfile_initialize_buf(
> +	struct xfs_rtgroup	*rtg,
> +	enum xfs_rtg_inodes	type,
> +	struct xfs_buf		*bp,
> +	struct xfs_trans	*tp)
> +{
> +	bp->b_ops = xfs_rtblock_ops(bp->b_mount, type);
> +	if (tp)
> +		xfs_trans_buf_set_type(tp, bp, xfs_rtblock_buf_types[type]);
> +	if (xfs_has_rtgroups(bp->b_mount)) {
> +		struct xfs_rtbuf_blkinfo	*hdr = bp->b_addr;
> +
> +		hdr->rt_magic = bp->b_ops->magic[1];
> +		hdr->rt_owner = cpu_to_be64(I_INO(rtg->rtg_inodes[type]));
> +		hdr->rt_blkno = cpu_to_be64(xfs_buf_daddr(bp));
> +		hdr->rt_lsn = 0;
> +		uuid_copy(&hdr->rt_uuid, &bp->b_mount->m_sb.sb_meta_uuid);
> +	}
> +}
> +
>  /* Get a buffer for the block. */
>  static int
>  xfs_rtfile_initialize_block(
> @@ -1408,21 +1429,10 @@ xfs_rtfile_initialize_block(
>  	}
>  	bufdata = bp->b_addr;
>  
> -	xfs_trans_buf_set_type(tp, bp, xfs_rtblock_buf_types[type]);
> -	bp->b_ops = xfs_rtblock_ops(mp, type);
> -
> -	if (xfs_has_rtgroups(mp)) {
> -		struct xfs_rtbuf_blkinfo	*hdr = bp->b_addr;
> -
> -		hdr->rt_magic = bp->b_ops->magic[1];
> -		hdr->rt_owner = cpu_to_be64(I_INO(ip));
> -		hdr->rt_blkno = cpu_to_be64(XFS_FSB_TO_DADDR(mp, fsbno));
> -		hdr->rt_lsn = 0;
> -		uuid_copy(&hdr->rt_uuid, &mp->m_sb.sb_meta_uuid);
> -
> -		bufdata += sizeof(*hdr);
> -	}
> +	xfs_rtfile_initialize_buf(rtg, type, bp, tp);
>  
> +	if (xfs_has_rtgroups(mp))
> +		bufdata += sizeof(struct xfs_rtbuf_blkinfo);
>  	if (data)
>  		memcpy(bufdata, data, copylen);
>  	else
> diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h
> index 375cc48e1a53..4a87e1fd3e99 100644
> --- a/fs/xfs/libxfs/xfs_rtbitmap.h
> +++ b/fs/xfs/libxfs/xfs_rtbitmap.h
> @@ -408,6 +408,9 @@ xfs_filblks_t xfs_rtsummary_blockcount(struct xfs_mount *mp,
>  
>  const struct xfs_buf_ops *xfs_rtblock_ops(struct xfs_mount *mp,
>  		enum xfs_rtg_inodes type);
> +void xfs_rtfile_initialize_buf(struct xfs_rtgroup *rtg,
> +		enum xfs_rtg_inodes type, struct xfs_buf *bp,
> +		struct xfs_trans *tp);
>  int xfs_rtfile_initialize_blocks(struct xfs_rtgroup *rtg,
>  		enum xfs_rtg_inodes type, xfs_fileoff_t offset_fsb,
>  		xfs_fileoff_t end_fsb, void *data);
> diff --git a/fs/xfs/scrub/rtbitmap_repair.c b/fs/xfs/scrub/rtbitmap_repair.c
> index 442a17bf9720..6a2efe3115f4 100644
> --- a/fs/xfs/scrub/rtbitmap_repair.c
> +++ b/fs/xfs/scrub/rtbitmap_repair.c
> @@ -383,21 +383,8 @@ xrep_rtbitmap_prep_buf(
>  	if (error)
>  		return error;
>  
> -	if (xfs_has_rtgroups(sc->mp)) {
> -		struct xfs_rtbuf_blkinfo	*hdr = bp->b_addr;
> -
> -		hdr->rt_magic = cpu_to_be32(XFS_RTBITMAP_MAGIC);
> -		hdr->rt_owner = cpu_to_be64(I_INO(sc->ip));
> -		hdr->rt_blkno = cpu_to_be64(xfs_buf_daddr(bp));
> -		hdr->rt_lsn = 0;
> -		uuid_copy(&hdr->rt_uuid, &sc->mp->m_sb.sb_meta_uuid);
> -		bp->b_ops = &xfs_rtbitmap_buf_ops;
> -	} else {
> -		bp->b_ops = &xfs_rtbuf_ops;
> -	}
> -
> +	xfs_rtfile_initialize_buf(sc->sr.rtg, XFS_RTGI_BITMAP, bp, sc->tp);
>  	rtb->prep_wordoff += mp->m_blockwsize;
> -	xfs_trans_buf_set_type(sc->tp, bp, XFS_BLFT_RTBITMAP_BUF);
>  	return 0;
>  }
>  
> diff --git a/fs/xfs/scrub/rtsummary_repair.c b/fs/xfs/scrub/rtsummary_repair.c
> index f065c3e51ce2..6a66113f6562 100644
> --- a/fs/xfs/scrub/rtsummary_repair.c
> +++ b/fs/xfs/scrub/rtsummary_repair.c
> @@ -87,21 +87,8 @@ xrep_rtsummary_prep_buf(
>  	if (error)
>  		return error;
>  
> -	if (xfs_has_rtgroups(sc->mp)) {
> -		struct xfs_rtbuf_blkinfo	*hdr = bp->b_addr;
> -
> -		hdr->rt_magic = cpu_to_be32(XFS_RTSUMMARY_MAGIC);
> -		hdr->rt_owner = cpu_to_be64(I_INO(sc->ip));
> -		hdr->rt_blkno = cpu_to_be64(xfs_buf_daddr(bp));
> -		hdr->rt_lsn = 0;
> -		uuid_copy(&hdr->rt_uuid, &sc->mp->m_sb.sb_meta_uuid);
> -		bp->b_ops = &xfs_rtsummary_buf_ops;
> -	} else {
> -		bp->b_ops = &xfs_rtbuf_ops;
> -	}
> -
> +	xfs_rtfile_initialize_buf(sc->sr.rtg, XFS_RTGI_SUMMARY, bp, sc->tp);
>  	rts->prep_wordoff += mp->m_blockwsize;
> -	xfs_trans_buf_set_type(sc->tp, bp, XFS_BLFT_RTSUMMARY_BUF);
>  	return 0;
>  }
>  
> -- 
> 2.53.0
> 
> 

  reply	other threads:[~2026-09-24 19:02 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-24  9:57 misc cleanups Christoph Hellwig
2026-09-24  9:57 ` [PATCH 1/9] xfs: centralize setting of buf_ops/buf_type/magic for rtblocks Christoph Hellwig
2026-09-24 19:01   ` Darrick J. Wong
2026-09-24  9:57 ` [PATCH 2/9] xfs: factor out a xfs_rtfile_initialize_buf helper Christoph Hellwig
2026-09-24 19:02   ` Darrick J. Wong [this message]
2026-09-24  9:57 ` [PATCH 3/9] xfs: add a xfs_rtblock_payload helper Christoph Hellwig
2026-09-24 20:13   ` Darrick J. Wong
2026-09-24  9:57 ` [PATCH 4/9] xfs: cleanup xfs_verify_media_error Christoph Hellwig
2026-09-24 20:14   ` Darrick J. Wong
2026-09-24  9:57 ` [PATCH 5/9] xfs: use bdev_rw_virt in xfs_verify_media Christoph Hellwig
2026-09-24 20:18   ` Darrick J. Wong
2026-09-24  9:57 ` [PATCH 6/9] xfs: lift setting the NOFS context to xfs_end_io Christoph Hellwig
2026-09-24 20:18   ` Darrick J. Wong
2026-09-24  9:57 ` [PATCH 7/9] xfs: split xfs_end_ioend_write Christoph Hellwig
2026-09-24 20:26   ` Darrick J. Wong
2026-09-25  5:46     ` Christoph Hellwig
2026-09-24  9:57 ` [PATCH 8/9] xfs: factor out a xfs_zoned_fill_srcmap helper Christoph Hellwig
2026-09-24 20:27   ` Darrick J. Wong
2026-09-24  9:57 ` [PATCH 9/9] xfs: calculate end_fsb later in xfs_zoned_fill_srcmap Christoph Hellwig
2026-09-24 20:29   ` Darrick J. Wong
2026-10-05 18:06 ` misc cleanups Carlos Maiolino

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