linux-kernel - [PATCH -next] btrfs: remove unused definition

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Message-Id: <20230530093445.61526-1-yang.lee@linux.alibaba.com>
Date:   Tue, 30 May 2023 17:34:45 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     clm@...com
Cc:     josef@...icpanda.com, dsterba@...e.com,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yang Li <yang.lee@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH -next] btrfs: remove unused definition

The code using variable pages_processed has been removed,
and function folio_nr_pages has not changed the memory of pointer folio,
so both should be removed.

silence the warning:
fs/btrfs/extent_io.c:230:16: warning: variable 'pages_processed' set but not used

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5340
Fixes: 8294b1869688 ("btrfs: split page locking out of __process_pages_contig")
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 fs/btrfs/extent_io.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 89e093ae1c33..6919409c1183 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -227,7 +227,6 @@ static void __process_pages_contig(struct address_space *mapping,
 	pgoff_t start_index = start >> PAGE_SHIFT;
 	pgoff_t end_index = end >> PAGE_SHIFT;
 	pgoff_t index = start_index;
-	unsigned long pages_processed = 0;
 	struct folio_batch fbatch;
 	int i;
 
@@ -242,7 +241,6 @@ static void __process_pages_contig(struct address_space *mapping,
 
 			process_one_page(fs_info, &folio->page, locked_page,
 					 page_ops, start, end);
-			pages_processed += folio_nr_pages(folio);
 		}
 		folio_batch_release(&fbatch);
 		cond_resched();
-- 
2.20.1.7.g153144c