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From: Christoph Hellwig <hch@infradead.org>
To: "Pankaj Raghav (Samsung)" <pankaj.raghav@linux.dev>
Cc: Zhang Yi <yi.zhang@huaweicloud.com>,
	Pankaj Raghav <p.raghav@samsung.com>,
	linux-xfs@vger.kernel.org, bfoster@redhat.com, lukas@herbolt.com,
	"Darrick J . Wong" <djwong@kernel.org>,
	dgc@kernel.org, gost.dev@samsung.com, andres@anarazel.de,
	kundan.kumar@samsung.com, cem@kernel.org,
	linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org
Subject: Re: [PATCH v6 3/3] xfs: add support for FALLOC_FL_WRITE_ZEROES
Date: Thu, 18 Jun 2026 01:57:56 -0700	[thread overview]
Message-ID: <ajOzFP66T-DLsnNy@infradead.org> (raw)
In-Reply-To: <6l3n2w2b7qoz2g3kfu3xsdjhlzq6m4ocs6ptq2esq27wxrb5ve@5gqv4ei4gi4b>

On Thu, Jun 18, 2026 at 10:18:49AM +0200, Pankaj Raghav (Samsung) wrote:
> So, I could do xfs_zero_range(offset, offset_ru)[1] and xfs_zero_range(end_rd, end).
> (offset_ru, end_rd) will be using the accelerated XFS_BMAPI_ZERO to 
> zero out the extents. 

Yeah.

> I also need to add pagecache_isize_extended and filemap_write_and_wait_range
> to persist the xfs_zero_range calls before we call setfilesize.

Yeah,  Or we need to find a way to use xfs_falloc_setsize after all
which would share all that code, although I'm not really sure how
that would work best.

  reply	other threads:[~2026-06-18  8:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20260611114029.176200-4-p.raghav@samsung.com>
2026-06-16 13:31 ` [PATCH v6 3/3] xfs: add support for FALLOC_FL_WRITE_ZEROES Christoph Hellwig
2026-06-17  9:44   ` Pankaj Raghav (Samsung)
2026-06-18  3:22     ` Zhang Yi
2026-06-18  8:18       ` Pankaj Raghav (Samsung)
2026-06-18  8:57         ` Christoph Hellwig [this message]
2026-06-18  8:59       ` Christoph Hellwig
2026-06-18 10:26         ` Zhang Yi
2026-06-18  9:00     ` Christoph Hellwig
2026-06-18  9:28       ` Pankaj Raghav (Samsung)
2026-06-18  9:36         ` Christoph Hellwig
2026-06-18 13:26           ` Pankaj Raghav (Samsung)
2026-06-18 13:37             ` Christoph Hellwig
2026-06-18 13:57               ` Pankaj Raghav (Samsung)

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