[PATCH 13/23] f2fs: Convert f2fs_sync_node_pages() to use filemap_get_folios_tag()

Vishal Moola (Oracle)
2022-09-01T22:02:59Z

Convert function to use folios. This is in preparation for the removal
of find_get_pages_range_tag(). Does NOT support large folios.

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
---
fs/f2fs/node.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index c2b54c58392a..cf8665f04c0d 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1933,23 +1933,24 @@ int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
bool do_balance, enum iostat_type io_type)
{
pgoff_t index;
- struct pagevec pvec;
+ struct folio_batch fbatch;
int step = 0;
int nwritten = 0;
int ret = 0;
- int nr_pages, done = 0;
+ int nr_folios, done = 0;

- pagevec_init(&pvec);
+ folio_batch_init(&fbatch);

next_step:
index = 0;

- while (!done && (nr_pages = pagevec_lookup_tag(&pvec,
- NODE_MAPPING(sbi), &index, PAGECACHE_TAG_DIRTY))) {
+ while (!done && (nr_folios = filemap_get_folios_tag(NODE_MAPPING(sbi),
+ &index, (pgoff_t)-1, PAGECACHE_TAG_DIRTY,
+ &fbatch))) {
int i;

- for (i = 0; i < nr_pages; i++) {
- struct page *page = pvec.pages[i];
+ for (i = 0; i < nr_folios; i++) {
+ struct page *page = &fbatch.folios[i]->page;
bool submitted = false;

/* give a priority to WB_SYNC threads */
@@ -2024,7 +2025,7 @@ int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
if (--wbc->nr_to_write == 0)
break;
}
- pagevec_release(&pvec);
+ folio_batch_release(&fbatch);
cond_resched();

if (wbc->nr_to_write == 0) {
--
2.36.1