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From:   Bean Huo <beanhuo@iokpp.de>
To:     viro@zeniv.linux.org.uk, brauner@kernel.org,
        akpm@linux-foundation.org, jack@suse.cz, jack@suse.com,
        tytso@mit.edu, adilger.kernel@dilger.ca, mark@fasheh.com,
        jlbec@evilplan.org, joseph.qi@linux.alibaba.com
Cc:     linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org, ocfs2-devel@oss.oracle.com,
        beanhuo@micron.com
Subject: [PATCH v2 2/5] ext4: No need to check return value of block_commit_write()
Date:   Mon, 19 Jun 2023 23:18:24 +0200
Message-Id: <20230619211827.707054-3-beanhuo@iokpp.de>
In-Reply-To: <20230619211827.707054-1-beanhuo@iokpp.de>
References: <20230619211827.707054-1-beanhuo@iokpp.de>
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From: Bean Huo <beanhuo@micron.com>

Remove unnecessary check on the return value of block_commit_write(),
because it always returns 0.

Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Jan Kara <jack@suse.cz>
---
 fs/ext4/move_extent.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index b5af2fc03b2f..f4b4861a74ee 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -392,14 +392,11 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
 	for (i = 0; i < block_len_in_page; i++) {
 		*err = ext4_get_block(orig_inode, orig_blk_offset + i, bh, 0);
 		if (*err < 0)
-			break;
+			goto repair_branches;
 		bh = bh->b_this_page;
 	}
-	if (!*err)
-		*err = block_commit_write(&folio[0]->page, from, from + replaced_size);
 
-	if (unlikely(*err < 0))
-		goto repair_branches;
+	block_commit_write(&folio[0]->page, from, from + replaced_size);
 
 	/* Even in case of data=writeback it is reasonable to pin
 	 * inode to transaction, to prevent unexpected data loss */
-- 
2.34.1