The old "readpage" naming is still used in ni_readpage_cmpr(), even though
the vfs has transitioned to the folio-based read_folio() API.

This patch performs a straightforward renaming of the helper:
ni_readpage_cmpr() -> ni_read_folio_cmpr().

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
---
 fs/ntfs3/frecord.c | 8 ++++----
 fs/ntfs3/inode.c   | 2 +-
 fs/ntfs3/ntfs_fs.h | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 641ddaf8d4a0..7e3d61de2f8f 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -2046,18 +2046,18 @@ static struct page *ntfs_lock_new_page(struct address_space *mapping,
 }
 
 /*
- * ni_readpage_cmpr
+ * ni_read_folio_cmpr
  *
  * When decompressing, we typically obtain more than one page per reference.
  * We inject the additional pages into the page cache.
  */
-int ni_readpage_cmpr(struct ntfs_inode *ni, struct folio *folio)
+int ni_read_folio_cmpr(struct ntfs_inode *ni, struct folio *folio)
 {
 	int err;
 	struct ntfs_sb_info *sbi = ni->mi.sbi;
 	struct address_space *mapping = folio->mapping;
-	pgoff_t index = folio->index;
-	u64 frame_vbo, vbo = (u64)index << PAGE_SHIFT;
+	pgoff_t index;
+	u64 frame_vbo, vbo = folio_pos(folio);
 	struct page **pages = NULL; /* Array of at most 16 pages. stack? */
 	u8 frame_bits;
 	CLST frame;
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 9989c3592a04..3e790c7a14a9 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -736,7 +736,7 @@ static int ntfs_read_folio(struct file *file, struct folio *folio)
 
 	if (is_compressed(ni)) {
 		ni_lock(ni);
-		err = ni_readpage_cmpr(ni, folio);
+		err = ni_read_folio_cmpr(ni, folio);
 		ni_unlock(ni);
 		return err;
 	}
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index a4559c9f64e6..7b619bb151ce 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -568,7 +568,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint);
 #define _ni_write_inode(i, w) ni_write_inode(i, w, __func__)
 int ni_fiemap(struct ntfs_inode *ni, struct fiemap_extent_info *fieinfo,
 	      __u64 vbo, __u64 len);
-int ni_readpage_cmpr(struct ntfs_inode *ni, struct folio *folio);
+int ni_read_folio_cmpr(struct ntfs_inode *ni, struct folio *folio);
 int ni_decompress_file(struct ntfs_inode *ni);
 int ni_read_frame(struct ntfs_inode *ni, u64 frame_vbo, struct page **pages,
 		  u32 pages_per_frame, int copy);
-- 
2.43.0