linux-kernel - [PATCH 2/3] btrfs: cleanup EXTENT_BUFFER

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Message-ID: <20250325163139.878473-3-neelx@suse.com>
Date: Tue, 25 Mar 2025 17:31:37 +0100
From: Daniel Vacek <neelx@...e.com>
To: Chris Mason <clm@...com>,
	Josef Bacik <josef@...icpanda.com>,
	David Sterba <dsterba@...e.com>
Cc: Daniel Vacek <neelx@...e.com>,
	linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] btrfs: cleanup EXTENT_BUFFER_READAHEAD flag

This flag is no longer being used. Remove it.

It was added by commit ab0fff03055d ("btrfs: add READAHEAD extent buffer flag")
and used in commits:

79fb65a1f6d9 ("Btrfs: don't call readahead hook until we have read the entire eb")
78e62c02abb9 ("btrfs: Remove extent_io_ops::readpage_io_failed_hook")
371cdc0700c7 ("btrfs: introduce subpage metadata validation check")

Finally all the code using it was removed by commit f26c92386028 ("btrfs: remove
reada infrastructure").

Signed-off-by: Daniel Vacek <neelx@...e.com>
---
 fs/btrfs/extent_io.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index fb3f5815b28e7..d0b3526749aa2 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -39,8 +39,6 @@ enum {
 	EXTENT_BUFFER_UPTODATE,
 	EXTENT_BUFFER_DIRTY,
 	EXTENT_BUFFER_CORRUPT,
-	/* this got triggered by readahead */
-	EXTENT_BUFFER_READAHEAD,
 	EXTENT_BUFFER_TREE_REF,
 	EXTENT_BUFFER_STALE,
 	EXTENT_BUFFER_WRITEBACK,
-- 
2.47.2