From: Petr Vorel <pvorel@suse.cz>
To: Cyril Hrubis <chrubis@suse.cz>
Cc: regressions@lists.linux.dev, Yuezhang Mo <yuezhang.mo@sony.com>,
linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
"Darrick J . Wong" <djwong@kernel.org>,
Sungjong Seo <sj1557.seo@samsung.com>,
Namjae Jeon <linkinjeon@kernel.org>,
ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v1 1/1] swap: Add exfat to filesystems requiring tst_fill_file
Date: Tue, 25 Aug 2026 15:26:04 +0200 [thread overview]
Message-ID: <20260825132604.GA70046@pevik> (raw)
In-Reply-To: <ao2TtyQpCGP5TLpx@yuki.lan>
Hi all,
[ Cc kernel folks and LKML ]
> Hi!
> > Reviewed-by: Petr Vorel <pvorel@suse.cz>
> > And yeah, we need it in kernel 7.2 on any distro :).
... and on any arch, e.g. x86_64 (not just s390x as Jan previously reported [1])
> > Should we somehow mention relevant kernel commit at least in the commit message?
> > e.g.: Change needed since 03a43677ca91 ("exfat: add swap_activate support") from
> > v7.2-rc1.
> That does not make much sense, if swap_activate was added to kernel,
> pre-filling the fallocated file shouldn't be needed anymore.
Good catch, you're right. I'm also confused, before v7.2 swap worked on exfat,
now even with 82a81a7352bc ("exfat: add iomap buffered I/O support") [2]
and your fix 03a43677ca91 ("exfat: add swap_activate support") [3] is not
working. Obviously the fix was not good enough.
Kind regards,
Petr
[1] https://lore.kernel.org/ltp/akzN_iISxNTztbEw@li-276bd24c-2dcc-11b2-a85c-945b6f05615c.ibm.com/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=82a81a7352bcf5f2756ac33d47ee0582737e9a85
[3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=03a43677ca91e3997355a13b1da6e47329b025e1
--
Mailing list info: https://lists.linux.it/listinfo/ltp
WARNING: multiple messages have this Message-ID (diff)
From: Petr Vorel <pvorel@suse.cz>
To: Cyril Hrubis <chrubis@suse.cz>
Cc: Jan Polensky <japo@linux.ibm.com>,
ltp@lists.linux.it, Namjae Jeon <linkinjeon@kernel.org>,
linux-kernel@vger.kernel.org, regressions@lists.linux.dev,
Andrea Cervesato <andrea.cervesato@suse.com>,
Sungjong Seo <sj1557.seo@samsung.com>,
Yuezhang Mo <yuezhang.mo@sony.com>,
Christoph Hellwig <hch@lst.de>,
"Darrick J . Wong" <djwong@kernel.org>
Subject: Re: [LTP] [PATCH v1 1/1] swap: Add exfat to filesystems requiring tst_fill_file
Date: Tue, 25 Aug 2026 15:26:04 +0200 [thread overview]
Message-ID: <20260825132604.GA70046@pevik> (raw)
In-Reply-To: <ao2TtyQpCGP5TLpx@yuki.lan>
Hi all,
[ Cc kernel folks and LKML ]
> Hi!
> > Reviewed-by: Petr Vorel <pvorel@suse.cz>
> > And yeah, we need it in kernel 7.2 on any distro :).
... and on any arch, e.g. x86_64 (not just s390x as Jan previously reported [1])
> > Should we somehow mention relevant kernel commit at least in the commit message?
> > e.g.: Change needed since 03a43677ca91 ("exfat: add swap_activate support") from
> > v7.2-rc1.
> That does not make much sense, if swap_activate was added to kernel,
> pre-filling the fallocated file shouldn't be needed anymore.
Good catch, you're right. I'm also confused, before v7.2 swap worked on exfat,
now even with 82a81a7352bc ("exfat: add iomap buffered I/O support") [2]
and your fix 03a43677ca91 ("exfat: add swap_activate support") [3] is not
working. Obviously the fix was not good enough.
Kind regards,
Petr
[1] https://lore.kernel.org/ltp/akzN_iISxNTztbEw@li-276bd24c-2dcc-11b2-a85c-945b6f05615c.ibm.com/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=82a81a7352bcf5f2756ac33d47ee0582737e9a85
[3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=03a43677ca91e3997355a13b1da6e47329b025e1
next prev parent reply other threads:[~2026-08-25 13:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-08 15:52 [LTP] [PATCH v1 1/1] swap: Add exfat to filesystems requiring tst_fill_file Jan Polensky
2026-06-08 16:29 ` [LTP] " linuxtestproject.agent
2026-06-09 9:19 ` [LTP] [PATCH v1 1/1] " Cyril Hrubis
2026-06-09 14:17 ` Jan Polensky
2026-06-12 9:06 ` Andrea Cervesato via ltp
2026-06-12 9:07 ` Cyril Hrubis
2026-06-17 13:56 ` Andrea Cervesato via ltp
2026-06-17 14:59 ` Andrea Cervesato via ltp
2026-06-17 15:19 ` Andrea Cervesato via ltp
2026-06-18 11:53 ` Jan Polensky
2026-06-18 12:04 ` Andrea Cervesato via ltp
2026-06-18 14:47 ` Jan Polensky
2026-06-18 14:57 ` Andrea Cervesato via ltp
2026-07-02 10:10 ` Andrea Cervesato via ltp
2026-07-07 9:59 ` Jan Polensky
2026-08-25 11:27 ` Petr Vorel
2026-08-25 12:17 ` Andrea Cervesato via ltp
2026-08-25 13:08 ` Cyril Hrubis
2026-08-25 13:26 ` Petr Vorel [this message]
2026-08-25 13:26 ` Petr Vorel
2026-08-25 13:46 ` Cyril Hrubis
2026-08-25 13:46 ` Cyril Hrubis
2026-08-26 0:23 ` Namjae Jeon
2026-08-26 0:23 ` Namjae Jeon via ltp
2026-08-26 7:41 ` Petr Vorel
2026-08-26 7:41 ` Petr Vorel
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