+ writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-3.patch added to -mm tree

+ writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-3.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm writeback,cgroup: fix documentation
has been added to the -mm tree.  Its filename is
     writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-3.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-3.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-3.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: mm writeback,cgroup: fix documentation

cleanup_offline_cgwbs_workfn() is a static function, so it doesn't need
kernel-doc.  Also remove the inaccurate comment about the locking.

Link: https://lkml.kernel.org/r/20210615200242.1716568-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Roman Gushchin <guro@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/backing-dev.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

--- a/mm/backing-dev.c~writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-3
+++ a/mm/backing-dev.c
@@ -645,15 +645,12 @@ static void cgwb_bdi_unregister(struct b
 	mutex_unlock(&bdi->cgwb_release_mutex);
 }
 
-/**
- * cleanup_offline_cgwbs - try to release dying cgwbs
+/*
+ * cleanup_offline_cgwbs_workfn - try to release dying cgwbs
  *
  * Try to release dying cgwbs by switching attached inodes to the nearest
  * living ancestor's writeback. Processed wbs are placed at the end
  * of the list to guarantee the forward progress.
- *
- * Should be called with the acquired cgwb_lock lock, which might
- * be released and re-acquired in the process.
  */
 static void cleanup_offline_cgwbs_workfn(struct work_struct *work)
 {
_

Patches currently in -mm which might be from willy@infradead.org are

mm-mark-idle-page-tracking-as-broken.patch
writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-3.patch
mm-make-__dump_page-static.patch
mm-debug-factor-pagepoisoned-out-of-__dump_page.patch
mm-page_owner-constify-dump_page_owner.patch
mm-make-compound_head-const-preserving.patch
mm-constify-get_pfnblock_flags_mask-and-get_pfnblock_migratetype.patch
mm-constify-page_count-and-page_ref_count.patch
mm-optimise-nth_page-for-contiguous-memmap.patch