From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Ryusuke Konishi
<konishi.ryusuke-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Matthew Wilcox <willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Hugh Dickins <hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
linux-afs-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-btrfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
cluster-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
linux-xfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 9/9] mm: return an ERR_PTR from __filemap_get_folio
Date: Wed, 18 Jan 2023 17:42:08 +0100 [thread overview]
Message-ID: <20230118164208.GA7584@lst.de> (raw)
In-Reply-To: <CAKFNMomcjvUSh-nS1MqptYdiT-1frRsmHgx2mHBBm_588kprrQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Wed, Jan 18, 2023 at 09:39:08PM +0900, Ryusuke Konishi wrote:
> > Also pass through the error through the direct callers:
>
> > filemap_get_folio, filemap_lock_folio filemap_grab_folio
> > and filemap_get_incore_folio.
>
> As for the comments describing the return values of these callers,
> isn't it necessary to rewrite the value from NULL in case of errors ?
Yes, thanks for catching this.
prev parent reply other threads:[~2023-01-18 16:42 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230118094329.9553-1-hch@lst.de>
2023-01-18 9:43 ` [PATCH 1/9] mm: don't look at xarray value entries in split_huge_pages_in_file Christoph Hellwig
2023-01-18 13:47 ` Matthew Wilcox
2023-01-18 9:43 ` [PATCH 2/9] mm: make mapping_get_entry available outside of filemap.c Christoph Hellwig
2023-01-18 13:49 ` Matthew Wilcox
2023-01-18 9:43 ` [PATCH 3/9] mm: use filemap_get_entry in filemap_get_incore_folio Christoph Hellwig
2023-01-18 13:49 ` Matthew Wilcox
2023-01-18 9:43 ` [PATCH 4/9] shmem: remove shmem_get_partial_folio Christoph Hellwig
2023-01-18 13:57 ` Brian Foster
2023-01-18 16:43 ` Christoph Hellwig
2023-01-18 16:50 ` Brian Foster
2023-01-18 9:43 ` [PATCH 5/9] shmem: open code the page cache lookup in shmem_get_folio_gfp Christoph Hellwig
2023-01-18 9:43 ` [PATCH 6/9] mm: remove FGP_ENTRY Christoph Hellwig
2023-01-18 9:43 ` [PATCH 7/9] gfs2: handle a NULL folio in gfs2_jhead_process_page Christoph Hellwig
2023-01-18 16:00 ` Matthew Wilcox
2023-01-18 16:24 ` Andreas Gruenbacher
2023-01-18 16:42 ` [Cluster-devel] " Christoph Hellwig
2023-01-18 9:43 ` [PATCH 8/9] btrfs: handle a NULL folio in extent_range_redirty_for_io Christoph Hellwig
2023-01-18 16:08 ` Matthew Wilcox
[not found] ` <Y8gZmTFB6vCivxsY-FZi0V3Vbi30CUdFEqe4BF2D2FQJk+8+b@public.gmane.org>
2023-01-18 16:42 ` Christoph Hellwig
2023-01-18 9:43 ` [PATCH 9/9] mm: return an ERR_PTR from __filemap_get_folio Christoph Hellwig
2023-01-18 12:39 ` Ryusuke Konishi
[not found] ` <CAKFNMomcjvUSh-nS1MqptYdiT-1frRsmHgx2mHBBm_588kprrQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2023-01-18 16:42 ` Christoph Hellwig [this message]
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