linux-ext4 - [PATCH] ext4: no need to verify new add extent block

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Date:   Wed, 9 Jun 2021 15:55:45 +0800
From:   yangerkun <yangerkun@...wei.com>
To:     <tytso@....edu>, <jack@...e.com>
CC:     <linux-ext4@...r.kernel.org>, <yangerkun@...wei.com>,
        <yukuai3@...wei.com>
Subject: [PATCH] ext4: no need to verify new add extent block

ext4_ext_grow_indepth will add a new extent block which has init the
expected content. We can mark this buffer as verified so to stop a
useless check in __read_extent_tree_block.

Signed-off-by: yangerkun <yangerkun@...wei.com>
---
 fs/ext4/extents.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index cbf37b2cf871..6ca5be8a8fc2 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1306,6 +1306,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
 	neh->eh_magic = EXT4_EXT_MAGIC;
 	ext4_extent_block_csum_set(inode, neh);
 	set_buffer_uptodate(bh);
+	set_buffer_verified(bh);
 	unlock_buffer(bh);
 
 	err = ext4_handle_dirty_metadata(handle, inode, bh);
-- 
2.31.1