[PATCH 04/10] ext4: Convert mpage_map_and_submit_buffers() to use filemap_get_folios()
From: Matthew Wilcox (Oracle)
Date: Sun Jun 05 2022 - 15:39:39 EST
The called functions all use pages, so just convert back to a page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/ext4/inode.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 32a7f5e024d6..1aaea53e67b5 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2314,8 +2314,8 @@ static int mpage_process_page(struct mpage_da_data *mpd, struct page *page,
*/
static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd)
{
- struct pagevec pvec;
- int nr_pages, i;
+ struct folio_batch fbatch;
+ unsigned nr, i;
struct inode *inode = mpd->inode;
int bpp_bits = PAGE_SHIFT - inode->i_blkbits;
pgoff_t start, end;
@@ -2329,14 +2329,13 @@ static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd)
lblk = start << bpp_bits;
pblock = mpd->map.m_pblk;
- pagevec_init(&pvec);
+ folio_batch_init(&fbatch);
while (start <= end) {
- nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping,
- &start, end);
- if (nr_pages == 0)
+ nr = filemap_get_folios(inode->i_mapping, &start, end, &fbatch);
+ if (nr == 0)
break;
- for (i = 0; i < nr_pages; i++) {
- struct page *page = pvec.pages[i];
+ for (i = 0; i < nr; i++) {
+ struct page *page = &fbatch.folios[i]->page;
err = mpage_process_page(mpd, page, &lblk, &pblock,
&map_bh);
@@ -2352,14 +2351,14 @@ static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd)
if (err < 0)
goto out;
}
- pagevec_release(&pvec);
+ folio_batch_release(&fbatch);
}
/* Extent fully mapped and matches with page boundary. We are done. */
mpd->map.m_len = 0;
mpd->map.m_flags = 0;
return 0;
out:
- pagevec_release(&pvec);
+ folio_batch_release(&fbatch);
return err;
}
--
2.35.1