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Tue, 25 Aug 2026 13:26:05 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id nIvoM+2XjWoaNgAAD6G6ig (envelope-from ); Tue, 25 Aug 2026 13:26:05 +0000 Date: Tue, 25 Aug 2026 15:26:04 +0200 From: Petr Vorel To: Cyril Hrubis Cc: Jan Polensky , ltp@lists.linux.it, Namjae Jeon , linux-kernel@vger.kernel.org, regressions@lists.linux.dev, Andrea Cervesato , Sungjong Seo , Yuezhang Mo , Christoph Hellwig , "Darrick J . Wong" Subject: Re: [LTP] [PATCH v1 1/1] swap: Add exfat to filesystems requiring tst_fill_file Message-ID: <20260825132604.GA70046@pevik> Reply-To: Petr Vorel References: <6a463902.41a38e5f.27f5bd.337a@mx.google.com> <20260825112755.GA62429@pevik> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Score: -7.50 X-Spam-Level: X-Spam-Flag: NO X-Spamd-Result: default: False [-7.50 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; HAS_REPLYTO(0.30)[pvorel@suse.cz]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; MISSING_XM_UA(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_SEVEN(0.00)[11]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email,suse.cz:replyto,imap1.dmz-prg2.suse.org:helo]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; REPLYTO_EQ_FROM(0.00)[] Hi all, [ Cc kernel folks and LKML ] > Hi! > > Reviewed-by: Petr Vorel > > 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