Convert f2fs_grab_cache_page() into f2fs_grab_cache_folio()
and add a wrapper.  Removes several calls to deprecated functions.

Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
---
 fs/f2fs/f2fs.h | 37 +++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5e01a08afbd7..cf664ca38905 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2767,33 +2767,46 @@ static inline s64 valid_inode_count(struct f2fs_sb_info 
*sbi)
        return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
 }
 
-static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
-                                               pgoff_t index, bool for_write)
+static inline struct folio *f2fs_grab_cache_folio(struct address_space 
*mapping,
+               pgoff_t index, bool for_write)
 {
-       struct page *page;
+       struct folio *folio;
        unsigned int flags;
 
        if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) {
+               fgf_t fgf_flags;
+
                if (!for_write)
-                       page = find_get_page_flags(mapping, index,
-                                                       FGP_LOCK | 
FGP_ACCESSED);
+                       fgf_flags = FGP_LOCK | FGP_ACCESSED;
                else
-                       page = find_lock_page(mapping, index);
-               if (page)
-                       return page;
+                       fgf_flags = FGP_LOCK;
+               folio = __filemap_get_folio(mapping, index, fgf_flags, 0);
+               if (!IS_ERR(folio))
+                       return folio;
 
                if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC))
-                       return NULL;
+                       return ERR_PTR(-ENOMEM);
        }
 
        if (!for_write)
-               return grab_cache_page(mapping, index);
+               return filemap_grab_folio(mapping, index);
 
        flags = memalloc_nofs_save();
-       page = grab_cache_page_write_begin(mapping, index);
+       folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN,
+                       mapping_gfp_mask(mapping));
        memalloc_nofs_restore(flags);
 
-       return page;
+       return folio;
+}
+
+static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
+                                               pgoff_t index, bool for_write)
+{
+       struct folio *folio = f2fs_grab_cache_folio(mapping, index, for_write);
+
+       if (IS_ERR(folio))
+               return NULL;
+       return &folio->page;
 }
 
 static inline struct page *f2fs_pagecache_get_page(
-- 
2.47.2



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