lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 24 Nov 2021 07:39:34 +0100 From: Christoph Hellwig <hch@....de> To: "Darrick J. Wong" <djwong@...nel.org> Cc: Christoph Hellwig <hch@....de>, Dan Williams <dan.j.williams@...el.com>, Mike Snitzer <snitzer@...hat.com>, Ira Weiny <ira.weiny@...el.com>, dm-devel@...hat.com, linux-xfs@...r.kernel.org, nvdimm@...ts.linux.dev, linux-s390@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-erofs@...ts.ozlabs.org, linux-ext4@...r.kernel.org, virtualization@...ts.linux-foundation.org Subject: Re: [PATCH 14/29] fsdax: simplify the pgoff calculation On Tue, Nov 23, 2021 at 02:36:42PM -0800, Darrick J. Wong wrote: > > - phys_addr_t phys_off = (start_sect + sector) * 512; > > - > > - if (pgoff) > > - *pgoff = PHYS_PFN(phys_off); > > - if (phys_off % PAGE_SIZE || size % PAGE_SIZE) > > AFAICT, we're relying on fs_dax_get_by_bdev to have validated this > previously, which is why the error return stuff goes away? Exactly.
Powered by blists - more mailing lists