linux-ext4 - [PATCH v2 5/5] ext4: Move ext4_check_bdev_write

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Date: Wed, 13 Dec 2023 09:32:24 +0800
From: Zhihao Cheng <chengzhihao1@...wei.com>
To: <tytso@....edu>, <jack@...e.com>
CC: <linux-ext4@...r.kernel.org>, <yi.zhang@...wei.com>
Subject: [PATCH v2 5/5] ext4: Move ext4_check_bdev_write_error() into nojournal mode

Since JBD2 takes care of all metadata writeback errors of fs dev,
ext4_check_bdev_write_error() is useful only in nojournal mode.
Move it into '!ext4_handle_valid(handle)' branch.

Signed-off-by: Zhihao Cheng <chengzhihao1@...wei.com>
Suggested-by: Jan Kara <jack@...e.cz>
Reviewed-by: Jan Kara <jack@...e.cz>
---
 fs/ext4/ext4_jbd2.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index d1a2e6624401..5d8055161acd 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -235,8 +235,6 @@ int __ext4_journal_get_write_access(const char *where, unsigned int line,
 
 	might_sleep();
 
-	ext4_check_bdev_write_error(sb);
-
 	if (ext4_handle_valid(handle)) {
 		err = jbd2_journal_get_write_access(handle, bh);
 		if (err) {
@@ -244,7 +242,8 @@ int __ext4_journal_get_write_access(const char *where, unsigned int line,
 						  handle, err);
 			return err;
 		}
-	}
+	} else
+		ext4_check_bdev_write_error(sb);
 	if (trigger_type == EXT4_JTR_NONE || !ext4_has_metadata_csum(sb))
 		return 0;
 	BUG_ON(trigger_type >= EXT4_JOURNAL_TRIGGER_COUNT);
-- 
2.39.2