linux-kernel - [PATCH] f2fs: initialize last_block_in

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Date: Tue, 14 May 2024 05:35:29 -0600
From: Wu Bo <bo.wu@...o.com>
To: Jaegeuk Kim <jaegeuk@...nel.org>,
	Chao Yu <chao@...nel.org>
Cc: linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	Wu Bo <wubo.oduw@...il.com>,
	Wu Bo <bo.wu@...o.com>
Subject: [PATCH] f2fs: initialize last_block_in_bio variable

Initialize last_block_in_bio of struct f2fs_bio_info and clean up code.

Signed-off-by: Wu Bo <bo.wu@...o.com>
---
 fs/f2fs/data.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index bdbd4195cadc..50ceb25b341d 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -595,17 +595,20 @@ int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi)
 			return -ENOMEM;
 
 		for (j = HOT; j < n; j++) {
-			init_f2fs_rwsem(&sbi->write_io[i][j].io_rwsem);
-			sbi->write_io[i][j].sbi = sbi;
-			sbi->write_io[i][j].bio = NULL;
-			spin_lock_init(&sbi->write_io[i][j].io_lock);
-			INIT_LIST_HEAD(&sbi->write_io[i][j].io_list);
-			INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list);
-			init_f2fs_rwsem(&sbi->write_io[i][j].bio_list_lock);
+			struct f2fs_bio_info *io = &sbi->write_io[i][j];
+
+			init_f2fs_rwsem(&io->io_rwsem);
+			io->sbi = sbi;
+			io->bio = NULL;
+			io->last_block_in_bio = 0;
+			spin_lock_init(&io->io_lock);
+			INIT_LIST_HEAD(&io->io_list);
+			INIT_LIST_HEAD(&io->bio_list);
+			init_f2fs_rwsem(&io->bio_list_lock);
 #ifdef CONFIG_BLK_DEV_ZONED
-			init_completion(&sbi->write_io[i][j].zone_wait);
-			sbi->write_io[i][j].zone_pending_bio = NULL;
-			sbi->write_io[i][j].bi_private = NULL;
+			init_completion(&io->zone_wait);
+			io->zone_pending_bio = NULL;
+			io->bi_private = NULL;
 #endif
 		}
 	}
-- 
2.25.1