From: Christoph Hellwig <hch@infradead.org>
To: "Pankaj Raghav (Samsung)" <pankaj.raghav@linux.dev>
Cc: 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,
Zhang Yi <yi.zhang@huawei.com>,
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 02:00:16 -0700 [thread overview]
Message-ID: <ajOzoBt_peOCtNUm@infradead.org> (raw)
In-Reply-To: <kn5dyqdxmsydibpfcurgpom5vwqtwinrz27oenh4pekks6ybdj@wyi4zkh7mogy>
On Wed, Jun 17, 2026 at 11:44:47AM +0200, Pankaj Raghav (Samsung) wrote:
> > Maybe we also want xfstests that try unaligned FALLOC_FL_WRITE_ZEROES
> > and make sure no existing data before the range is lost and the
> > entire range is zeroed?
> >
>
> I added FALLOC_FL_WRITE_ZEROES support to ltp (both fsx and fsstress).
> For example, generic/363 tests for unaligned writes and checks for any
> stale data. By default, I think we do unaligned reads, writes and
> truncate in fsx.
But I guess not unaligned FALLOC_FL_WRITE_ZEROES?
next prev parent reply other threads:[~2026-06-18 9:00 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
2026-06-18 8:59 ` Christoph Hellwig
2026-06-18 10:26 ` Zhang Yi
2026-06-18 9:00 ` Christoph Hellwig [this message]
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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