nilfs2: convert nilfs_copy_buffer() to use kmap_local

The routine nilfs_copy_buffer() that copies a block buffer still uses the
deprecated kmap_atomic(), so convert it to use kmap_local.

Link: https://lkml.kernel.org/r/20240122140202.6950-4-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 5c2eba1987bd703b61abdd601641a1dfac856023..14e470fb88706a403f4e31954906f07492314482 100644 (file)
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -103,11 +103,11 @@ void nilfs_copy_buffer(struct buffer_head *dbh, struct buffer_head *sbh)
        struct page *spage = sbh->b_page, *dpage = dbh->b_page;
        struct buffer_head *bh;
 
-       kaddr0 = kmap_atomic(spage);
-       kaddr1 = kmap_atomic(dpage);
+       kaddr0 = kmap_local_page(spage);
+       kaddr1 = kmap_local_page(dpage);
        memcpy(kaddr1 + bh_offset(dbh), kaddr0 + bh_offset(sbh), sbh->b_size);
-       kunmap_atomic(kaddr1);
-       kunmap_atomic(kaddr0);
+       kunmap_local(kaddr1);
+       kunmap_local(kaddr0);
 
        dbh->b_state = sbh->b_state & NILFS_BUFFER_INHERENT_BITS;
        dbh->b_blocknr = sbh->b_blocknr;