[f2fs-dev] [PATCH v2 8/8] f2fs: get rid of page->index

[Chao Yu <chao@kernel.org>]

Convert to use folio, so that we can get rid of 'page->index' to
prepare for removal of 'index' field in structure page [1].

[1] https://lore.kernel.org/all/Zp8fgUSIBGQ1TN0D@casper.infradead.org/

Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Chao Yu <chao@kernel.org>
---
 fs/f2fs/compress.c |  2 +-
 fs/f2fs/data.c     | 12 ++++++------
 fs/f2fs/dir.c      |  3 ++-
 fs/f2fs/inode.c    |  3 ++-
 fs/f2fs/node.c     |  4 ++--
 fs/f2fs/segment.c  |  3 ++-
 6 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 67bb1e2e07a4..163ad0d7d495 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -881,7 +881,7 @@ static bool cluster_has_invalid_data(struct compress_ctx *cc)
 		f2fs_bug_on(F2FS_I_SB(cc->inode), !page);
 
 		/* beyond EOF */
-		if (page->index >= nr_pages)
+		if (page_folio(page)->index >= nr_pages)
 			return true;
 	}
 	return false;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index e69097267b99..c6d688208f8b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -354,7 +354,7 @@ static void f2fs_write_end_io(struct bio *bio)
 		}
 
 		f2fs_bug_on(sbi, page->mapping == NODE_MAPPING(sbi) &&
-					page->index != nid_of_node(page));
+				page_folio(page)->index != nid_of_node(page));
 
 		dec_page_count(sbi, type);
 		if (f2fs_in_warm_node_list(sbi, page))
@@ -703,7 +703,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
 	bio = __bio_alloc(fio, 1);
 
 	f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host,
-			       fio->page->index, fio, GFP_NOIO);
+			page_folio(fio->page)->index, fio, GFP_NOIO);
 
 	if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
 		bio_put(bio);
@@ -802,7 +802,7 @@ static int add_ipu_page(struct f2fs_io_info *fio, struct bio **bio,
 							    fio->new_blkaddr));
 			if (f2fs_crypt_mergeable_bio(*bio,
 					fio->page->mapping->host,
-					fio->page->index, fio) &&
+					page_folio(fio->page)->index, fio) &&
 			    bio_add_page(*bio, page, PAGE_SIZE, 0) ==
 					PAGE_SIZE) {
 				ret = 0;
@@ -902,7 +902,7 @@ int f2fs_merge_page_bio(struct f2fs_io_info *fio)
 	if (!bio) {
 		bio = __bio_alloc(fio, BIO_MAX_VECS);
 		f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host,
-				       fio->page->index, fio, GFP_NOIO);
+				page_folio(fio->page)->index, fio, GFP_NOIO);
 
 		add_bio_entry(fio->sbi, bio, page, fio->temp);
 	} else {
@@ -995,13 +995,13 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
 	    (!io_is_mergeable(sbi, io->bio, io, fio, io->last_block_in_bio,
 			      fio->new_blkaddr) ||
 	     !f2fs_crypt_mergeable_bio(io->bio, fio->page->mapping->host,
-				       bio_page->index, fio)))
+				page_folio(bio_page)->index, fio)))
 		__submit_merged_bio(io);
 alloc_new:
 	if (io->bio == NULL) {
 		io->bio = __bio_alloc(fio, BIO_MAX_VECS);
 		f2fs_set_bio_crypt_ctx(io->bio, fio->page->mapping->host,
-				       bio_page->index, fio, GFP_NOIO);
+				page_folio(bio_page)->index, fio, GFP_NOIO);
 		io->fio = *fio;
 	}
 
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 5fcc952107e9..1136539a57a8 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -842,6 +842,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
 	struct	f2fs_dentry_block *dentry_blk;
 	unsigned int bit_pos;
 	int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
+	pgoff_t index = page_folio(page)->index;
 	int i;
 
 	f2fs_update_time(F2FS_I_SB(dir), REQ_TIME);
@@ -867,7 +868,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
 	set_page_dirty(page);
 
 	if (bit_pos == NR_DENTRY_IN_BLOCK &&
-		!f2fs_truncate_hole(dir, page->index, page->index + 1)) {
+		!f2fs_truncate_hole(dir, index, index + 1)) {
 		f2fs_clear_page_cache_dirty_tag(page_folio(page));
 		clear_page_dirty_for_io(page);
 		ClearPageUptodate(page);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 5d7e4c7f5969..b2d5c3ef8e24 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -174,7 +174,8 @@ bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
 
 	if (provided != calculated)
 		f2fs_warn(sbi, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x",
-			  page->index, ino_of_node(page), provided, calculated);
+			  page_folio(page)->index, ino_of_node(page),
+			  provided, calculated);
 
 	return provided == calculated;
 }
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index f5e5abce695b..59b13ff243fa 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -919,7 +919,7 @@ static int truncate_node(struct dnode_of_data *dn)
 	clear_node_page_dirty(dn->node_page);
 	set_sbi_flag(sbi, SBI_IS_DIRTY);
 
-	index = dn->node_page->index;
+	index = page_folio(dn->node_page)->index;
 	f2fs_put_page(dn->node_page, 1);
 
 	invalidate_mapping_pages(NODE_MAPPING(sbi),
@@ -1869,7 +1869,7 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
 	}
 	if (!ret && atomic && !marked) {
 		f2fs_debug(sbi, "Retry to write fsync mark: ino=%u, idx=%lx",
-			   ino, last_page->index);
+			   ino, page_folio(last_page)->index);
 		lock_page(last_page);
 		f2fs_wait_on_page_writeback(last_page, NODE, true, true);
 		set_page_dirty(last_page);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 3bda3f707007..fafbb1cbcb57 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3564,7 +3564,8 @@ static int __get_segment_type_6(struct f2fs_io_info *fio)
 		if (file_is_cold(inode) || f2fs_need_compress_data(inode))
 			return CURSEG_COLD_DATA;
 
-		type = __get_age_segment_type(inode, fio->page->index);
+		type = __get_age_segment_type(inode,
+				page_folio(fio->page)->index);
 		if (type != NO_CHECK_TYPE)
 			return type;
 
-- 
2.40.1



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