From: yangerkun <yangerkun@huawei.com>
Date: Wed, 9 Jun 2021 07:55:45 +0000 (+0800)
Subject: ext4: no need to verify new add extent block
X-Git-Tag: accepted/tizen/unified/20230118.172025~6859^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0caaefbaf2a429c256c7469cb603ca8918e96fb0;p=platform%2Fkernel%2Flinux-rpi.git

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@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210609075545.1442160-1-yangerkun@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 1293de5..92ad64b 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1309,6 +1309,7 @@ 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);