linux-ext4 - Re: [PATCH 10/11] fuse: update ki_pos in fuse_perform

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Date:   Thu, 25 May 2023 12:09:47 +0200
From:   Christoph Hellwig <hch@....de>
To:     Miklos Szeredi <miklos@...redi.hu>
Cc:     Christoph Hellwig <hch@....de>,
        Matthew Wilcox <willy@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, Xiubo Li <xiubli@...hat.com>,
        Ilya Dryomov <idryomov@...il.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>,
        Theodore Ts'o <tytso@....edu>,
        Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>,
        Andreas Gruenbacher <agruenba@...hat.com>,
        "Darrick J. Wong" <djwong@...nel.org>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna@...nel.org>,
        Damien Le Moal <dlemoal@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-block@...r.kernel.org, ceph-devel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com,
        linux-xfs@...r.kernel.org, linux-nfs@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH 10/11] fuse: update ki_pos in fuse_perform_write

On Wed, May 24, 2023 at 09:07:22AM +0200, Miklos Szeredi wrote:
> > -               endbyte = pos + written_buffered - 1;
> > +               endbyte = iocb->ki_pos + written_buffered - 1;
> 
> Wrong endpos.
> 
> >
> > -               err = filemap_write_and_wait_range(file->f_mapping, pos,
> > +               err = filemap_write_and_wait_range(file->f_mapping,
> > +                                                  iocb->ki_pos,
> 
> Wrong startpos.

Yeah, fixed for the next version.