@@ -205,7 +205,6 @@ static void nilfs_segbuf_fill_in_data_crc(struct nilfs_segment_buffer *segbuf,
{
struct buffer_head *bh;
struct nilfs_segment_summary *raw_sum;
- void *kaddr;
u32 crc;
bh = list_entry(segbuf->sb_segsum_buffers.next, struct buffer_head,
@@ -220,9 +219,13 @@ 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_local_page(bh->b_page);
- crc = crc32_le(crc, kaddr + bh_offset(bh), bh->b_size);
- kunmap_local(kaddr);
+ size_t offset = offset_in_folio(bh->b_folio, bh->b_data);
+ unsigned char *from;
+
+ /* Do not support block sizes larger than PAGE_SIZE */
+ from = kmap_local_folio(bh->b_folio, offset);
+ crc = crc32_le(crc, from, bh->b_size);
+ kunmap_local(from);
}
raw_sum->ss_datasum = cpu_to_le32(crc);
}
@@ -374,7 +377,7 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
struct nilfs_write_info *wi,
struct buffer_head *bh)
{
- int len, err;
+ int err;
BUG_ON(wi->nr_vecs <= 0);
repeat:
@@ -385,8 +388,8 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
(wi->nilfs->ns_blocksize_bits - 9);
}
- len = bio_add_page(wi->bio, bh->b_page, bh->b_size, bh_offset(bh));
- if (len == bh->b_size) {
+ if (bio_add_folio(wi->bio, bh->b_folio, bh->b_size,
+ offset_in_folio(bh->b_folio, bh->b_data))) {
wi->end++;
return 0;
}
In the segment buffer (log buffer) implementation, two parts of the block buffer, CRC calculation and bio preparation, are still page-based, so convert them to folio-based. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> --- fs/nilfs2/segbuf.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-)