[PATCH 02/15] nilfs2: convert segment buffer to use kmap_local

From: Ryusuke Konishi
Date: Mon Jan 22 2024 - 09:02:52 EST


In the segment buffer code used for log writing, a CRC calculation
routine uses the deprecated kmap_atomic(), so convert it to use
kmap_local.

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

diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 6e59dc19a732..dc431b4c34c9 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -220,9 +220,9 @@ static void nilfs_segbuf_fill_in_data_crc(struct nilfs_segment_buffer *segbuf,
crc = crc32_le(crc, bh->b_data, bh->b_size);
}
list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) {
- kaddr = kmap_atomic(bh->b_page);
+ kaddr = kmap_local_page(bh->b_page);
crc = crc32_le(crc, kaddr + bh_offset(bh), bh->b_size);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
}
raw_sum->ss_datasum = cpu_to_le32(crc);
}
--
2.34.1