By implementing ->writepages instead of ->writepage, we remove a
layer of indirect function calls from the writeback path and the
last use of struct page in nilfs2.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/nilfs2/mdt.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index ceb7dc0b5bad..4f4a935fcdc5 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -396,10 +396,9 @@ int nilfs_mdt_fetch_dirty(struct inode *inode)
return test_bit(NILFS_I_DIRTY, &ii->i_state);
}
-static int
-nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
+static int nilfs_mdt_write_folio(struct folio *folio,
+ struct writeback_control *wbc)
{
- struct folio *folio = page_folio(page);
struct inode *inode = folio->mapping->host;
struct super_block *sb;
int err = 0;
@@ -432,11 +431,23 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
return err;
}
+static int nilfs_mdt_writeback(struct address_space *mapping,
+ struct writeback_control *wbc)
+{
+ struct folio *folio = NULL;
+ int error;
+
+ while ((folio = writeback_iter(mapping, wbc, folio, &error)))
+ nilfs_mdt_write_folio(folio, wbc);
+
+ return error;
+}
static const struct address_space_operations def_mdt_aops = {
.dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio,
- .writepage = nilfs_mdt_write_page,
+ .writepages = nilfs_mdt_writeback,
+ .migrate_folio = buffer_migrate_folio,
};
static const struct inode_operations def_mdt_iops;
--
2.43.0
