nilfs2: convert nilfs_recovery_copy_block() to take a folio

Use memcpy_to_folio() instead of open-coding it, and use offset_in_folio()
in case anybody wants to use nilfs2 on a device with large blocks.

[konishi.ryusuke@gmail.com: added label name change]
Link: https://lkml.kernel.org/r/20241002150036.1339475-4-willy@infradead.org
Link: https://lkml.kernel.org/r/20241024092602.13395-12-konishi.ryusuke@gmail.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-10-24 18:25:45 +09:00 committed by Andrew Morton
parent c1d73eb8d0
commit b18d78dec3

View File

@ -481,19 +481,16 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs,
static int nilfs_recovery_copy_block(struct the_nilfs *nilfs,
struct nilfs_recovery_block *rb,
loff_t pos, struct page *page)
loff_t pos, struct folio *folio)
{
struct buffer_head *bh_org;
size_t from = pos & ~PAGE_MASK;
void *kaddr;
size_t from = offset_in_folio(folio, pos);
bh_org = __bread(nilfs->ns_bdev, rb->blocknr, nilfs->ns_blocksize);
if (unlikely(!bh_org))
return -EIO;
kaddr = kmap_local_page(page);
memcpy(kaddr + from, bh_org->b_data, bh_org->b_size);
kunmap_local(kaddr);
memcpy_to_folio(folio, from, bh_org->b_data, bh_org->b_size);
brelse(bh_org);
return 0;
}
@ -531,13 +528,13 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs,
goto failed_inode;
}
err = nilfs_recovery_copy_block(nilfs, rb, pos, &folio->page);
err = nilfs_recovery_copy_block(nilfs, rb, pos, folio);
if (unlikely(err))
goto failed_page;
goto failed_folio;
err = nilfs_set_file_dirty(inode, 1);
if (unlikely(err))
goto failed_page;
goto failed_folio;
block_write_end(NULL, inode->i_mapping, pos, blocksize,
blocksize, folio, NULL);
@ -548,7 +545,7 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs,
(*nr_salvaged_blocks)++;
goto next;
failed_page:
failed_folio:
folio_unlock(folio);
folio_put(folio);