cluster-devel.redhat.com archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@lst.de>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] [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@mail.gmail.com>

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.


      reply	other threads:[~2023-01-18 16:42 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-18  9:43 [Cluster-devel] return an ERR_PTR from __filemap_get_folio Christoph Hellwig
2023-01-18  9:43 ` [Cluster-devel] [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 ` [Cluster-devel] [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 ` [Cluster-devel] [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 ` [Cluster-devel] [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 ` [Cluster-devel] [PATCH 5/9] shmem: open code the page cache lookup in shmem_get_folio_gfp Christoph Hellwig
2023-01-18  9:43 ` [Cluster-devel] [PATCH 6/9] mm: remove FGP_ENTRY Christoph Hellwig
2023-01-18  9:43 ` [Cluster-devel] [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       ` Christoph Hellwig
2023-01-18  9:43 ` [Cluster-devel] [PATCH 8/9] btrfs: handle a NULL folio in extent_range_redirty_for_io Christoph Hellwig
2023-01-18 16:08   ` Matthew Wilcox
2023-01-18 16:42     ` Christoph Hellwig
2023-01-18  9:43 ` [Cluster-devel] [PATCH 9/9] mm: return an ERR_PTR from __filemap_get_folio Christoph Hellwig
2023-01-18 12:39   ` Ryusuke Konishi
2023-01-18 16:42     ` Christoph Hellwig [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230118164208.GA7584@lst.de \
    --to=hch@lst.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).