The patch titled
Subject: nilfs2: convert segment buffer to use kmap_local
has been added to the -mm mm-nonmm-unstable branch. Its filename is
nilfs2-convert-segment-buffer-to-use-kmap_local.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/nilfs2-convert-segment-buffer-to-use-kmap_local.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Subject: nilfs2: convert segment buffer to use kmap_local
Date: Mon, 22 Jan 2024 23:01:49 +0900
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.
Link: https://lkml.kernel.org/r/20240122140202.6950-3-konishi.ryusuke@xxxxxxxxx
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/nilfs2/segbuf.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/nilfs2/segbuf.c~nilfs2-convert-segment-buffer-to-use-kmap_local
+++ a/fs/nilfs2/segbuf.c
@@ -220,9 +220,9 @@ static void nilfs_segbuf_fill_in_data_cr
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);
}
_
Patches currently in -mm which might be from konishi.ryusuke@xxxxxxxxx are
nilfs2-convert-recovery-logic-to-use-kmap_local.patch
nilfs2-convert-segment-buffer-to-use-kmap_local.patch
nilfs2-convert-nilfs_copy_buffer-to-use-kmap_local.patch
nilfs2-convert-metadata-file-common-code-to-use-kmap_local.patch
nilfs2-convert-sufile-to-use-kmap_local.patch
nilfs2-convert-persistent-object-allocator-to-use-kmap_local.patch
nilfs2-convert-dat-to-use-kmap_local.patch
nilfs2-move-nilfs_bmap_write-call-out-of-nilfs_write_inode_common.patch
nilfs2-do-not-acquire-rwsem-in-nilfs_bmap_write.patch
nilfs2-convert-ifile-to-use-kmap_local.patch
nilfs2-localize-highmem-mapping-for-checkpoint-creation-within-cpfile.patch
nilfs2-localize-highmem-mapping-for-checkpoint-finalization-within-cpfile.patch
nilfs2-localize-highmem-mapping-for-checkpoint-reading-within-cpfile.patch
nilfs2-remove-nilfs_cpfile_getput_checkpoint.patch
nilfs2-convert-cpfile-to-use-kmap_local.patch
