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Wed, 24 Jan 2024 20:00:38 +0000 Date: Wed, 24 Jan 2024 21:00:32 +0100 From: Petr Vorel To: Kent Overstreet , Brian Foster Cc: linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, ltp@lists.linux.it Subject: bcachefs fails to mount loop device on kernel Message-ID: <20240124200032.GA343522@pevik> Reply-To: Petr Vorel 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 Authentication-Results: smtp-out2.suse.de; none X-Spamd-Result: default: False [0.70 / 50.00]; ARC_NA(0.00)[]; HAS_REPLYTO(0.30)[pvorel@suse.cz]; REPLYTO_EQ_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-0.00)[36.87%] X-Spam-Level: X-Spam-Flag: NO X-Spam-Score: 0.70 Hi all, bcachefs fails to mount loop device on kernel on both 6.7 and 6.8.0-rc1. Is mounting loop even supported? dd if=/dev/zero of=test_file bs=400M count=1 losetup /dev/loop0 test_file mkfs.bcachefs /dev/loop0 mount -t bcachefs -o loop test_file /mnt => Unknown command /dev/loop0 modprobe bcachefs mount -t bcachefs -o loop test_file /mnt => mount: /mnt: failed to setup loop device for test_file. mount -t bcachefs test_file /mnt => Unknown command test_file mount -t bcachefs -o loop /dev/loop0 /mnt => Unknown command /dev/loop1 mount -t bcachefs /dev/loop0 /mnt => Unknown command /dev/loop0 bcachefs mount /dev/loop0 /mnt => Unknown command mount Thanks for info. Kind regards, Petr