From: Kairui Song <kas...@tencent.com>

folio_index is only needed for mixed usage of page cache and swap
cache, for pure page cache usage, the caller can just use
folio->index instead.

It can't be a swap cache folio here.  Swap mapping may only call into fs
through `swap_rw` and that is not supported for f2fs.  So just drop it
and use folio->index instead.

Signed-off-by: Kairui Song <kas...@tencent.com>
Cc: Jaegeuk Kim <jaeg...@kernel.org> (maintainer:F2FS FILE SYSTEM)
Cc: Chao Yu <c...@kernel.org> (maintainer:F2FS FILE SYSTEM)
Cc: linux-f2fs-devel@lists.sourceforge.net (open list:F2FS FILE SYSTEM)
Signed-off-by: Kairui Song <kas...@tencent.com>
---
 fs/f2fs/data.c   | 4 ++--
 fs/f2fs/inline.c | 4 ++--
 fs/f2fs/super.c  | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 54f89f0ee69b..5745b97ca1f0 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2077,7 +2077,7 @@ static int f2fs_read_single_page(struct inode *inode, 
struct folio *folio,
        sector_t last_block;
        sector_t last_block_in_file;
        sector_t block_nr;
-       pgoff_t index = folio_index(folio);
+       pgoff_t index = folio->index;
        int ret = 0;
 
        block_in_file = (sector_t)index;
@@ -2392,7 +2392,7 @@ static int f2fs_mpage_readpages(struct inode *inode,
                }
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
-               index = folio_index(folio);
+               index = folio->index;
 
                if (!f2fs_compressed_file(inode))
                        goto read_single_page;
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index ad92e9008781..aaaec3206538 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -86,7 +86,7 @@ void f2fs_do_read_inline_data(struct folio *folio, struct 
page *ipage)
        if (folio_test_uptodate(folio))
                return;
 
-       f2fs_bug_on(F2FS_I_SB(inode), folio_index(folio));
+       f2fs_bug_on(F2FS_I_SB(inode), folio->index);
 
        folio_zero_segment(folio, MAX_INLINE_DATA(inode), folio_size(folio));
 
@@ -130,7 +130,7 @@ int f2fs_read_inline_data(struct inode *inode, struct folio 
*folio)
                return -EAGAIN;
        }
 
-       if (folio_index(folio))
+       if (folio->index)
                folio_zero_segment(folio, 0, folio_size(folio));
        else
                f2fs_do_read_inline_data(folio, ipage);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f087b2b71c89..eac1dcb44637 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3432,7 +3432,7 @@ static int __f2fs_commit_super(struct f2fs_sb_info *sbi, 
struct folio *folio,
        bio = bio_alloc(sbi->sb->s_bdev, 1, opf, GFP_NOFS);
 
        /* it doesn't need to set crypto context for superblock update */
-       bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(folio_index(folio));
+       bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(folio->index);
 
        if (!bio_add_folio(bio, folio, folio_size(folio), 0))
                f2fs_bug_on(sbi, 1);
-- 
2.49.0



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