linux-ext4 - Re: [PATCH 04/11] filemap: add a kiocb_write_and

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Message-ID: <4cca9f8b-e140-601f-f87a-965aafb65558@suse.de>
Date:   Tue, 30 May 2023 08:58:50 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Christoph Hellwig <hch@....de>,
        Matthew Wilcox <willy@...radead.org>
Cc:     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>,
        Miklos Szeredi <miklos@...redi.hu>,
        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 04/11] filemap: add a kiocb_write_and_wait helper

On 5/24/23 08:38, Christoph Hellwig wrote:
> Factor out a helper that does filemap_write_and_wait_range for the range
> covered by a read kiocb, or returns -EAGAIN if the kiocb is marked as
> nowait and there would be pages to write.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Reviewed-by: Damien Le Moal <dlemoal@...nel.org>
> Acked-by: Darrick J. Wong <djwong@...nel.org>
> ---
>   block/fops.c            | 18 +++---------------
>   include/linux/pagemap.h |  2 ++
>   mm/filemap.c            | 30 ++++++++++++++++++------------
>   3 files changed, 23 insertions(+), 27 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
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