[03/15] nilfs2: convert nilfs_copy_buffer() to use kmap_local

Message ID 20240122140202.6950-4-konishi.ryusuke@gmail.com
State New
Headers
Series nilfs2: eliminate kmap and kmap_atomic calls |

Commit Message

Ryusuke Konishi Jan. 22, 2024, 2:01 p.m. UTC
  The routine nilfs_copy_buffer() that copies a block buffer still uses
the deprecated kmap_atomic(), so convert it to use kmap_local.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
---
 fs/nilfs2/page.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
  

Patch

diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 5c2eba1987bd..14e470fb8870 100644
--- 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;