The patch titled
Subject: nilfs2: convert nilfs_lookup_dirty_data_buffers() to use filemap_get_folios_tag()
has been added to the -mm mm-unstable branch. Its filename is
nilfs2-convert-nilfs_lookup_dirty_data_buffers-to-use-filemap_get_folios_tag.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/nilfs2-convert-nilfs_lookup_dirty_data_buffers-to-use-filemap_get_folios_tag.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Vishal Moola (Oracle)" <vishal.moola@xxxxxxxxx>
Subject: nilfs2: convert nilfs_lookup_dirty_data_buffers() to use filemap_get_folios_tag()
Date: Wed, 4 Jan 2023 13:14:43 -0800
Convert function to use folios throughout. This is in preparation for
the removal of find_get_pages_range_tag(). This change removes 4 calls
to compound_head().
Link: https://lkml.kernel.org/r/20230104211448.4804-19-vishal.moola@xxxxxxxxx
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Acked-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/fs/nilfs2/segment.c~nilfs2-convert-nilfs_lookup_dirty_data_buffers-to-use-filemap_get_folios_tag
+++ a/fs/nilfs2/segment.c
@@ -680,7 +680,7 @@ static size_t nilfs_lookup_dirty_data_bu
loff_t start, loff_t end)
{
struct address_space *mapping = inode->i_mapping;
- struct pagevec pvec;
+ struct folio_batch fbatch;
pgoff_t index = 0, last = ULONG_MAX;
size_t ndirties = 0;
int i;
@@ -694,23 +694,26 @@ static size_t nilfs_lookup_dirty_data_bu
index = start >> PAGE_SHIFT;
last = end >> PAGE_SHIFT;
}
- pagevec_init(&pvec);
+ folio_batch_init(&fbatch);
repeat:
if (unlikely(index > last) ||
- !pagevec_lookup_range_tag(&pvec, mapping, &index, last,
- PAGECACHE_TAG_DIRTY))
+ !filemap_get_folios_tag(mapping, &index, last,
+ PAGECACHE_TAG_DIRTY, &fbatch))
return ndirties;
- for (i = 0; i < pagevec_count(&pvec); i++) {
+ for (i = 0; i < folio_batch_count(&fbatch); i++) {
struct buffer_head *bh, *head;
- struct page *page = pvec.pages[i];
+ struct folio *folio = fbatch.folios[i];
- lock_page(page);
- if (!page_has_buffers(page))
- create_empty_buffers(page, i_blocksize(inode), 0);
- unlock_page(page);
+ folio_lock(folio);
+ head = folio_buffers(folio);
+ if (!head) {
+ create_empty_buffers(&folio->page, i_blocksize(inode), 0);
+ head = folio_buffers(folio);
+ }
+ folio_unlock(folio);
- bh = head = page_buffers(page);
+ bh = head;
do {
if (!buffer_dirty(bh) || buffer_async_write(bh))
continue;
@@ -718,13 +721,13 @@ static size_t nilfs_lookup_dirty_data_bu
list_add_tail(&bh->b_assoc_buffers, listp);
ndirties++;
if (unlikely(ndirties >= nlimit)) {
- pagevec_release(&pvec);
+ folio_batch_release(&fbatch);
cond_resched();
return ndirties;
}
} while (bh = bh->b_this_page, bh != head);
}
- pagevec_release(&pvec);
+ folio_batch_release(&fbatch);
cond_resched();
goto repeat;
}
_
Patches currently in -mm which might be from vishal.moola@xxxxxxxxx are
mm-memory-add-vm_normal_folio.patch
madvise-convert-madvise_cold_or_pageout_pte_range-to-use-folios.patch
mm-damon-convert-damon_pa_mark_accessed_or_deactivate-to-use-folios.patch
mm-swap-convert-deactivate_page-to-folio_deactivate.patch
ext4-convert-mext_page_double_lock-to-mext_folio_double_lock.patch
mm-khugepaged-introduce-release_pte_folio-to-replace-release_pte_page.patch
mm-khugepaged-convert-release_pte_pages-to-use-folios.patch
pagemap-add-filemap_grab_folio.patch
filemap-added-filemap_get_folios_tag.patch
filemap-convert-__filemap_fdatawait_range-to-use-filemap_get_folios_tag.patch
page-writeback-convert-write_cache_pages-to-use-filemap_get_folios_tag.patch
afs-convert-afs_writepages_region-to-use-filemap_get_folios_tag.patch
btrfs-convert-btree_write_cache_pages-to-use-filemap_get_folio_tag.patch
btrfs-convert-extent_write_cache_pages-to-use-filemap_get_folios_tag.patch
ceph-convert-ceph_writepages_start-to-use-filemap_get_folios_tag.patch
cifs-convert-wdata_alloc_and_fillpages-to-use-filemap_get_folios_tag.patch
ext4-convert-mpage_prepare_extent_to_map-to-use-filemap_get_folios_tag.patch
f2fs-convert-f2fs_fsync_node_pages-to-use-filemap_get_folios_tag.patch
f2fs-convert-f2fs_flush_inline_data-to-use-filemap_get_folios_tag.patch
f2fs-convert-f2fs_sync_node_pages-to-use-filemap_get_folios_tag.patch
f2fs-convert-f2fs_write_cache_pages-to-use-filemap_get_folios_tag.patch
f2fs-convert-last_fsync_dnode-to-use-filemap_get_folios_tag.patch
f2fs-convert-f2fs_sync_meta_pages-to-use-filemap_get_folios_tag.patch
gfs2-convert-gfs2_write_cache_jdata-to-use-filemap_get_folios_tag.patch
nilfs2-convert-nilfs_lookup_dirty_data_buffers-to-use-filemap_get_folios_tag.patch
nilfs2-convert-nilfs_lookup_dirty_node_buffers-to-use-filemap_get_folios_tag.patch
nilfs2-convert-nilfs_btree_lookup_dirty_buffers-to-use-filemap_get_folios_tag.patch
nilfs2-convert-nilfs_copy_dirty_pages-to-use-filemap_get_folios_tag.patch
nilfs2-convert-nilfs_clear_dirty_pages-to-use-filemap_get_folios_tag.patch
filemap-remove-find_get_pages_range_tag.patch
