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Wong'" , , , "'Luis Chamberlain'" , , , In-Reply-To: Subject: RE: Recent changes mean sb_min_blocksize() can now fail Date: Tue, 8 Apr 2025 22:11:53 +0900 Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQJRCaHaogomL6hlNxnS1IqQdP5a5wHHr4YsAptGYzWyi+DQkA== Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpnl+LIzCtJLcpLzFFi42LZdljTQHeWwtd0g3lzNS22rdvNbrHv0lRG i5eHNC0uP+GzmD53A4vF7OnNTBYTpy1lttiz9ySLxeVdc9gsbkx4ymhxtGczm8WWf0dYLV58 2MDmwOuxc9Zddo9NqzrZPO6/TfR4v+8qm0ffllWMHlO+Pmf2OLPgCLvH501yARxRDYw2iUXJ GZllqQqpecn5KZl56bZKoSFuuhZKChn5xSW2StGGhkZ6hgbmekZGRnqmRrFWRqZKCnmJuam2 ShW6UL1KCkXJBUC1uZXFQANyUvWg4nrFqXkpDln5pSBf6hUn5haX5qXrJefnKimUJeaUAo1Q 0k/4xpjx7NFm5oLv7BW/Hj5ka2Ccx9bFyMkhIWAicXzZa+YuRi4OIYEdjBK7TmxgB0kICXxi lLjSnwWR+MYocXfuRVaYjj3XHrJCJPYySkx7tQnKecko8evkPrC5bAK6Ek9u/GQGsUUEAiQ6 Oz+xgBQxC0xllni9bh7YDk4BP4n5Pw6CjRUWcJBYuuIjWJxFQEVi8vXvYIN4BSwlHm15xQJh C0qcnPkEzGYWkJfY/nYOM8RJChK7Px1lhVjmJLHo2GJmiBoRidmdbWDPSQjc4JA4dfM50FAO IMdF4uUfF4heYYlXx7ewQ9hSEp/f7WWDqO9mlDj+8R0LRGIGo8SSDgcI216iubUZbA6zgKbE +l36ELv4JN597YEGEa9Ew8bfUDMFJU5f62aGWMsr0dEmBBFWkfj+YSfLBEblWUg+m4Xks1lI PpiFsGwBI8sqRrHUguLc9NRiwwJT5AjfxAhO41qWOxinv/2gd4iRiYPxEKMEB7OSCO/biV/S hXhTEiurUovy44tKc1KLDzEmA8N6IrOUaHI+MJPklcQbmplZWlgamRgamxkaEhY2sTQwMTMy sTC2NDZTEufd8/FpupBAemJJanZqakFqEcwWJg5OqQYmc0urT2oyD952xGSenvFFq2C/TizP z1vPw+Nq805zBktMefI4vMJw/rXfQjaaCS9vr+DjVu1+3HbWcs8p61ZG+4wz73olo0xKOO7p HDrS9UopWshTNHryrbvi7X6rnnX4a19dmKwzVybs5/P85coVL+d3rw/ad8hQqLR0eraG+3TX /kta4X+OORdWiXHHW91uC/9w1Zav9lCo+eLqkoeyV806tbT1zjA8txJfE8L+4ZTCa03ZjsMv 0k3WfJRZLOVRqVjL0aArqPlU8NnlmFdfPnwI+O3MwpWmftxF+V1z0F293EVch7taXITPzTOZ fUypabnixGSNTGUvZR5Ju+0vzrAFKTB3z2999myenBJLcUaioRZzUXEiADkpFEmaBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrNIsWRmVeSWpSXmKPExsWy7bCSnO5Mha/pBg/f81tsW7eb3WLfpamM Fi8PaVpcfsJnMX3uBhaL2dObmSwmTlvKbLFn70kWi8u75rBZ3JjwlNHiaM9mNost/46wWrz4 sIHNgddj56y77B6bVnWyedx/m+jxft9VNo++LasYPaZ8fc7scWbBEXaPz5vkAjiiuGxSUnMy y1KL9O0SuDKePdrMXPCdveLXw4dsDYzz2LoYOTkkBEwk9lx7yApiCwnsZpSYddCli5EDKC4l cXCfJoQpLHH4cHEXIxdQxXNGicmHZzKDlLMJ6Eo8ufETzBYRCJBYuewaO0gRs8B8ZokTEzqY IWZeY5Q4sTYGxOYU8JOY/+Mg2C5hAQeJpSs+soPYLAIqEpOvfwe7h1fAUuLRllcsELagxMmZ T8BsZgE9ifXr5zBC2PIS29/OYYa4X0Fi96ejrBBHOEksOraYGaJGRGJ2ZxvzBEbhWUhGzUIy ahaSUbOQtCxgZFnFKJlaUJybnltsWGCUl1quV5yYW1yal66XnJ+7iREcn1paOxj3rPqgd4iR iYPxEKMEB7OSCO/biV/ShXhTEiurUovy44tKc1KLDzFKc7AoifN+e92bIiSQnliSmp2aWpBa BJNl4uCUamAKmbviu8wCthwLE27zmVfqNj1hmWaeIJgvktqgIHlNu/krf3ypIG/GVn3RjxPY /l5cE7ix6bp3tZlLpguTcYiW7ZQHsxvDDf/ET7328HR4xLw53l4/o+P2Bx1TOzMn4cKLKoYL 6y64sO5kWz6hXrulsELEkNUjXnOSz82bk1Z1mpatZWG1nWCXGS4Yp/ugi/GYx+mZGptmCplM 4Us26/7ffUNYc5rVmcMHE85/4/dwfvk+yegQ1x4z++r3clErWZ6uqdvEFTsvfbnG/+Cjk7Pv 91pciDtk/Gq7AWegkNThKu4VC78Ku83ZcKhHbv26acfavT6v3bS/UCRTp+vR1aenH3XMvJfd 7nW88VeoipUSS3FGoqEWc1FxIgD8sJNRPgMAAA== X-CMS-MailID: 20250408131153epcas1p1bb1c8d060037bd37ab623348a210db80 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 101P X-CPGSPASS: Y X-ArchiveUser: EV DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250408104502epcas1p1bd964ac9143218dace05538507ef8c6b References: <86290c9b-ba40-4ebd-96c1-d3a258abe9d4@squashfs.org.uk> Hi, All > Hi! > > On Tue 08-04-25 06:33:53, Phillip Lougher wrote: > > A recent (post 6.14) change to the kernel means sb_min_blocksize() can > now fail, > > and any filesystem which doesn't check the result may behave > unexpectedly as a > > result. This change has recently affected Squashfs, and checking the > kernel code, > > a number of other filesystems including isofs, gfs2, exfat, fat and xfs > do not > > check the result. This is a courtesy email to warn others of this > change. > > > > The following emails give the relevant details. > > > > https://lore.kernel.org/all/2a13ea1c-08df-4807-83d4- > 241831b7a2ec@squashfs.org.uk/ > > https://lore.kernel.org/all/129d4f39-6922-44e9-8b1c- > 6455ee564dda@squashfs.org.uk/ > > Indeed. Thanks for the heads up! > > Honza > -- > Jan Kara > SUSE Labs, CR exfat-fs calls it to set it to the minimum value of 512, but it's not particularly problematic if it fails. Thank you B.R. Sungjong Seo