linux-kernel - [PATCH 04/15] nilfs2: convert metadata file common code to use kmap

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Date: Mon, 22 Jan 2024 23:01:51 +0900
From: Ryusuke Konishi <konishi.ryusuke@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-nilfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 04/15] nilfs2: convert metadata file common code to use kmap_local

In the common code of metadata files, the new block creation routine
nilfs_mdt_insert_new_block() still uses the deprecated kmap_atomic(), so
convert it to use kmap_local.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
 fs/nilfs2/mdt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index e45c01a559c0..4f792a0ad0f0 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -47,12 +47,12 @@ nilfs_mdt_insert_new_block(struct inode *inode, unsigned long block,
 
 	set_buffer_mapped(bh);
 
-	kaddr = kmap_atomic(bh->b_page);
+	kaddr = kmap_local_page(bh->b_page);
 	memset(kaddr + bh_offset(bh), 0, i_blocksize(inode));
 	if (init_block)
 		init_block(inode, bh, kaddr);
 	flush_dcache_page(bh->b_page);
-	kunmap_atomic(kaddr);
+	kunmap_local(kaddr);
 
 	set_buffer_uptodate(bh);
 	mark_buffer_dirty(bh);
-- 
2.34.1