[to-be-updated] fs-btrfs-remove-a-comment-referring-to-read_only_thp_for_fs.patch removed from -mm tree

[to-be-updated] fs-btrfs-remove-a-comment-referring-to-read_only_thp_for_fs.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: fs/btrfs: remove a comment referring to READ_ONLY_THP_FOR_FS
has been removed from the -mm tree.  Its filename was
     fs-btrfs-remove-a-comment-referring-to-read_only_thp_for_fs.patch

This patch was dropped because an updated version will be issued

------------------------------------------------------
From: Zi Yan <ziy@nvidia.com>
Subject: fs/btrfs: remove a comment referring to READ_ONLY_THP_FOR_FS
Date: Thu, 23 Apr 2026 22:49:13 -0400

READ_ONLY_THP_FOR_FS is no longer present, remove related comment.

Link: https://lore.kernel.org/20260424024915.28758-11-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>
Acked-by: David Sterba <dsterba@suse.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nico Pache <npache@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/btrfs/defrag.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/fs/btrfs/defrag.c~fs-btrfs-remove-a-comment-referring-to-read_only_thp_for_fs
+++ a/fs/btrfs/defrag.c
@@ -860,9 +860,6 @@ again:
 		return folio;
 
 	/*
-	 * Since we can defragment files opened read-only, we can encounter
-	 * transparent huge pages here (see CONFIG_READ_ONLY_THP_FOR_FS).
-	 *
 	 * The IO for such large folios is not fully tested, thus return
 	 * an error to reject such folios unless it's an experimental build.
 	 *
_

Patches currently in -mm which might be from ziy@nvidia.com are

selftests-mm-remove-read_only_thp_for_fs-in-khugepaged.patch
selftests-mm-remove-read_only_thp_for_fs-code-from-guard-regions.patch