linux-kernel - [PATCH] f2fs: clean up left deprecated IO trace codes

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Message-ID: <20210423060938.23020-1-yuchao0@huawei.com>
Date:   Fri, 23 Apr 2021 14:09:38 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>
Subject: [PATCH] f2fs: clean up left deprecated IO trace codes

Commit d5f7bc0064e0 ("f2fs: deprecate f2fs_trace_io") left some
dead codes, delete them.

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fs/f2fs/compress.c | 6 ------
 fs/f2fs/f2fs.h     | 8 --------
 2 files changed, 14 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 9961d04d5ad8..38dbe123e410 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -78,12 +78,6 @@ bool f2fs_is_compressed_page(struct page *page)
 		return false;
 	if (IS_ATOMIC_WRITTEN_PAGE(page) || IS_DUMMY_WRITTEN_PAGE(page))
 		return false;
-	/*
-	 * page->private may be set with pid.
-	 * pid_max is enough to check if it is traced.
-	 */
-	if (IS_IO_TRACED_PAGE(page))
-		return false;
 
 	f2fs_bug_on(F2FS_M_SB(page->mapping),
 		*((u32 *)page_private(page)) != F2FS_COMPRESSED_PAGE_MAGIC);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 244dbb80e94d..40e126b33256 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1304,14 +1304,6 @@ enum {
 #define IS_DUMMY_WRITTEN_PAGE(page)			\
 		(page_private(page) == DUMMY_WRITTEN_PAGE)
 
-#ifdef CONFIG_F2FS_IO_TRACE
-#define IS_IO_TRACED_PAGE(page)			\
-		(page_private(page) > 0 &&		\
-		 page_private(page) < (unsigned long)PID_MAX_LIMIT)
-#else
-#define IS_IO_TRACED_PAGE(page) (0)
-#endif
-
 /* For compression */
 enum compress_algorithm_type {
 	COMPRESS_LZO,
-- 
2.29.2