[f2fs-dev] [PATCH 1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio

[f2fs-dev] [PATCH 1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio

[Chao Yu]

onvert 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 | 14 +++++++-------
 fs/f2fs/data.c     |  4 ++--
 fs/f2fs/f2fs.h     |  2 +-
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 990b93689b46..eb5cd1457ffc 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -160,17 +160,17 @@ void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse)
 		cc->cluster_idx = NULL_CLUSTER;
 }
 
-void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page)
+void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio)
 {
 	unsigned int cluster_ofs;
 
-	if (!f2fs_cluster_can_merge_page(cc, page->index))
+	if (!f2fs_cluster_can_merge_page(cc, folio->index))
 		f2fs_bug_on(F2FS_I_SB(cc->inode), 1);
 
-	cluster_ofs = offset_in_cluster(cc, page->index);
-	cc->rpages[cluster_ofs] = page;
+	cluster_ofs = offset_in_cluster(cc, folio->index);
+	cc->rpages[cluster_ofs] = folio_page(folio, 0);
 	cc->nr_rpages++;
-	cc->cluster_idx = cluster_idx(cc, page->index);
+	cc->cluster_idx = cluster_idx(cc, folio->index);
 }
 
 #ifdef CONFIG_F2FS_FS_LZO
@@ -1093,7 +1093,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
 		if (PageUptodate(page))
 			f2fs_put_page(page, 1);
 		else
-			f2fs_compress_ctx_add_page(cc, page);
+			f2fs_compress_ctx_add_page(cc, page_folio(page));
 	}
 
 	if (!f2fs_cluster_is_empty(cc)) {
@@ -1123,7 +1123,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
 		}
 
 		f2fs_wait_on_page_writeback(page, DATA, true, true);
-		f2fs_compress_ctx_add_page(cc, page);
+		f2fs_compress_ctx_add_page(cc, page_folio(page));
 
 		if (!PageUptodate(page)) {
 release_and_retry:
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index e9570f4e0f21..100b6526717f 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2429,7 +2429,7 @@ static int f2fs_mpage_readpages(struct inode *inode,
 		if (ret)
 			goto set_error_page;
 
-		f2fs_compress_ctx_add_page(&cc, &folio->page);
+		f2fs_compress_ctx_add_page(&cc, folio);
 
 		goto next_page;
 read_single_page:
@@ -3161,7 +3161,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 			if (f2fs_compressed_file(inode)) {
 				folio_get(folio);
-				f2fs_compress_ctx_add_page(&cc, &folio->page);
+				f2fs_compress_ctx_add_page(&cc, folio);
 				continue;
 			}
 #endif
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 51fd5063a69c..df436dd3aac1 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4322,7 +4322,7 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
 bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
 				int index, int nr_pages, bool uptodate);
 bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
-void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
+void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio);
 int f2fs_write_multi_pages(struct compress_ctx *cc,
 						int *submitted,
 						struct writeback_control *wbc,
-- 
2.40.1



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[f2fs-dev] [PATCH 2/9] f2fs: convert f2fs_vm_page_mkwrite() to use folio

[Chao Yu]

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/file.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 8d2f4160a8eb..3c73da7bb05a 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -53,7 +53,7 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
 
 static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 {
-	struct page *page = vmf->page;
+	struct folio *folio = page_folio(vmf->page);
 	struct inode *inode = file_inode(vmf->vma->vm_file);
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct dnode_of_data dn;
@@ -85,7 +85,7 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	if (f2fs_compressed_file(inode)) {
-		int ret = f2fs_is_compressed_cluster(inode, page->index);
+		int ret = f2fs_is_compressed_cluster(inode, folio->index);
 
 		if (ret < 0) {
 			err = ret;
@@ -105,11 +105,11 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 
 	file_update_time(vmf->vma->vm_file);
 	filemap_invalidate_lock_shared(inode->i_mapping);
-	lock_page(page);
-	if (unlikely(page->mapping != inode->i_mapping ||
-			page_offset(page) > i_size_read(inode) ||
-			!PageUptodate(page))) {
-		unlock_page(page);
+	folio_lock(folio);
+	if (unlikely(folio->mapping != inode->i_mapping ||
+			folio_pos(folio) > i_size_read(inode) ||
+			!folio_test_uptodate(folio))) {
+		folio_unlock(folio);
 		err = -EFAULT;
 		goto out_sem;
 	}
@@ -117,9 +117,9 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 	set_new_dnode(&dn, inode, NULL, NULL, 0);
 	if (need_alloc) {
 		/* block allocation */
-		err = f2fs_get_block_locked(&dn, page->index);
+		err = f2fs_get_block_locked(&dn, folio->index);
 	} else {
-		err = f2fs_get_dnode_of_data(&dn, page->index, LOOKUP_NODE);
+		err = f2fs_get_dnode_of_data(&dn, folio->index, LOOKUP_NODE);
 		f2fs_put_dnode(&dn);
 		if (f2fs_is_pinned_file(inode) &&
 		    !__is_valid_data_blkaddr(dn.data_blkaddr))
@@ -127,11 +127,11 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 	}
 
 	if (err) {
-		unlock_page(page);
+		folio_unlock(folio);
 		goto out_sem;
 	}
 
-	f2fs_wait_on_page_writeback(page, DATA, false, true);
+	f2fs_wait_on_page_writeback(folio_page(folio, 0), DATA, false, true);
 
 	/* wait for GCed page writeback via META_MAPPING */
 	f2fs_wait_on_block_writeback(inode, dn.data_blkaddr);
@@ -139,18 +139,18 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 	/*
 	 * check to see if the page is mapped already (no holes)
 	 */
-	if (PageMappedToDisk(page))
+	if (folio_test_mappedtodisk(folio))
 		goto out_sem;
 
 	/* page is wholly or partially inside EOF */
-	if (((loff_t)(page->index + 1) << PAGE_SHIFT) >
+	if (((loff_t)(folio->index + 1) << PAGE_SHIFT) >
 						i_size_read(inode)) {
 		loff_t offset;
 
 		offset = i_size_read(inode) & ~PAGE_MASK;
-		zero_user_segment(page, offset, PAGE_SIZE);
+		folio_zero_segment(folio, offset, folio_size(folio));
 	}
-	set_page_dirty(page);
+	folio_mark_dirty(folio);
 
 	f2fs_update_iostat(sbi, inode, APP_MAPPED_IO, F2FS_BLKSIZE);
 	f2fs_update_time(sbi, REQ_TIME);
@@ -162,7 +162,7 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 out:
 	ret = vmf_fs_error(err);
 
-	trace_f2fs_vm_page_mkwrite(inode, page->index, vmf->vma->vm_flags, ret);
+	trace_f2fs_vm_page_mkwrite(inode, folio->index, vmf->vma->vm_flags, ret);
 	return ret;
 }
 
-- 
2.40.1



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[f2fs-dev] [PATCH 3/9] f2fs: convert f2fs_clear_page_cache_dirty_tag() to use folio

[Chao Yu]

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/data.c   | 3 +--
 fs/f2fs/dir.c    | 2 +-
 fs/f2fs/f2fs.h   | 2 +-
 fs/f2fs/inline.c | 2 +-
 fs/f2fs/node.c   | 2 +-
 5 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 100b6526717f..0df5a0c66ede 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -4117,9 +4117,8 @@ const struct address_space_operations f2fs_dblock_aops = {
 	.swap_deactivate = f2fs_swap_deactivate,
 };
 
-void f2fs_clear_page_cache_dirty_tag(struct page *page)
+void f2fs_clear_page_cache_dirty_tag(struct folio *folio)
 {
-	struct folio *folio = page_folio(page);
 	struct address_space *mapping = folio->mapping;
 	unsigned long flags;
 
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 14900ca8a9ff..5fcc952107e9 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -868,7 +868,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
 
 	if (bit_pos == NR_DENTRY_IN_BLOCK &&
 		!f2fs_truncate_hole(dir, page->index, page->index + 1)) {
-		f2fs_clear_page_cache_dirty_tag(page);
+		f2fs_clear_page_cache_dirty_tag(page_folio(page));
 		clear_page_dirty_for_io(page);
 		ClearPageUptodate(page);
 		clear_page_private_all(page);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index df436dd3aac1..a4b90215a51f 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3890,7 +3890,7 @@ void f2fs_write_failed(struct inode *inode, loff_t to);
 void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length);
 bool f2fs_release_folio(struct folio *folio, gfp_t wait);
 bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
-void f2fs_clear_page_cache_dirty_tag(struct page *page);
+void f2fs_clear_page_cache_dirty_tag(struct folio *folio);
 int f2fs_init_post_read_processing(void);
 void f2fs_destroy_post_read_processing(void);
 int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index d76a3bed7093..98d122164cd1 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -281,7 +281,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
 			 page, 0, MAX_INLINE_DATA(inode));
 	set_page_dirty(ipage);
 
-	f2fs_clear_page_cache_dirty_tag(page);
+	f2fs_clear_page_cache_dirty_tag(page_folio(page));
 
 	set_inode_flag(inode, FI_APPEND_WRITE);
 	set_inode_flag(inode, FI_DATA_EXIST);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 9e7a6e21f30c..20518c12f5b7 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -123,7 +123,7 @@ bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type)
 static void clear_node_page_dirty(struct page *page)
 {
 	if (PageDirty(page)) {
-		f2fs_clear_page_cache_dirty_tag(page);
+		f2fs_clear_page_cache_dirty_tag(page_folio(page));
 		clear_page_dirty_for_io(page);
 		dec_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
 	}
-- 
2.40.1



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[f2fs-dev] [PATCH 4/9] f2fs: convert f2fs_write_inline_data() to use folio

[Chao Yu]

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/data.c   |  2 +-
 fs/f2fs/f2fs.h   |  2 +-
 fs/f2fs/inline.c | 10 +++++-----
 fs/f2fs/node.c   |  2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 0df5a0c66ede..6d2a37db0c9e 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2866,7 +2866,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 
 	err = -EAGAIN;
 	if (f2fs_has_inline_data(inode)) {
-		err = f2fs_write_inline_data(inode, page);
+		err = f2fs_write_inline_data(inode, folio);
 		if (!err)
 			goto out;
 	}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index a4b90215a51f..7c7760aa1a7c 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4185,7 +4185,7 @@ int f2fs_read_inline_data(struct inode *inode, struct folio *folio);
 int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
 int f2fs_convert_inline_inode(struct inode *inode);
 int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
-int f2fs_write_inline_data(struct inode *inode, struct page *page);
+int f2fs_write_inline_data(struct inode *inode, struct folio *folio);
 int f2fs_recover_inline_data(struct inode *inode, struct page *npage);
 struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
 					const struct f2fs_filename *fname,
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 98d122164cd1..005babf1bed1 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -260,7 +260,7 @@ int f2fs_convert_inline_inode(struct inode *inode)
 	return err;
 }
 
-int f2fs_write_inline_data(struct inode *inode, struct page *page)
+int f2fs_write_inline_data(struct inode *inode, struct folio *folio)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct page *ipage;
@@ -274,14 +274,14 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
 		return -EAGAIN;
 	}
 
-	f2fs_bug_on(F2FS_I_SB(inode), page->index);
+	f2fs_bug_on(F2FS_I_SB(inode), folio->index);
 
 	f2fs_wait_on_page_writeback(ipage, NODE, true, true);
-	memcpy_from_page(inline_data_addr(inode, ipage),
-			 page, 0, MAX_INLINE_DATA(inode));
+	memcpy_from_folio(inline_data_addr(inode, ipage),
+			 folio, 0, MAX_INLINE_DATA(inode));
 	set_page_dirty(ipage);
 
-	f2fs_clear_page_cache_dirty_tag(page_folio(page));
+	f2fs_clear_page_cache_dirty_tag(folio);
 
 	set_inode_flag(inode, FI_APPEND_WRITE);
 	set_inode_flag(inode, FI_DATA_EXIST);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 20518c12f5b7..2b764c86aacc 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1535,7 +1535,7 @@ static void flush_inline_data(struct f2fs_sb_info *sbi, nid_t ino)
 	if (!clear_page_dirty_for_io(page))
 		goto page_out;
 
-	ret = f2fs_write_inline_data(inode, page);
+	ret = f2fs_write_inline_data(inode, page_folio(page));
 	inode_dec_dirty_pages(inode);
 	f2fs_remove_dirty_inode(inode);
 	if (ret)
-- 
2.40.1



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[f2fs-dev] [PATCH 5/9] f2fs: convert f2fs_write_single_data_page() to use folio

[Chao Yu]

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 |  3 ++-
 fs/f2fs/data.c     | 29 +++++++++++++++--------------
 fs/f2fs/f2fs.h     |  2 +-
 3 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index eb5cd1457ffc..82c31641e696 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1523,7 +1523,8 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc,
 		if (!clear_page_dirty_for_io(cc->rpages[i]))
 			goto continue_unlock;
 
-		ret = f2fs_write_single_data_page(cc->rpages[i], &submitted,
+		ret = f2fs_write_single_data_page(page_folio(cc->rpages[i]),
+						&submitted,
 						NULL, NULL, wbc, io_type,
 						compr_blocks, false);
 		if (ret) {
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 6d2a37db0c9e..0779e222f709 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2764,7 +2764,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
 	return err;
 }
 
-int f2fs_write_single_data_page(struct page *page, int *submitted,
+int f2fs_write_single_data_page(struct folio *folio, int *submitted,
 				struct bio **bio,
 				sector_t *last_block,
 				struct writeback_control *wbc,
@@ -2772,12 +2772,13 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 				int compr_blocks,
 				bool allow_balance)
 {
-	struct inode *inode = page->mapping->host;
+	struct inode *inode = folio->mapping->host;
+	struct page *page = folio_page(folio, 0);
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	loff_t i_size = i_size_read(inode);
 	const pgoff_t end_index = ((unsigned long long)i_size)
 							>> PAGE_SHIFT;
-	loff_t psize = (loff_t)(page->index + 1) << PAGE_SHIFT;
+	loff_t psize = (loff_t)(folio->index + 1) << PAGE_SHIFT;
 	unsigned offset = 0;
 	bool need_balance_fs = false;
 	bool quota_inode = IS_NOQUOTA(inode);
@@ -2801,11 +2802,11 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 		.last_block = last_block,
 	};
 
-	trace_f2fs_writepage(page_folio(page), DATA);
+	trace_f2fs_writepage(folio, DATA);
 
 	/* we should bypass data pages to proceed the kworker jobs */
 	if (unlikely(f2fs_cp_error(sbi))) {
-		mapping_set_error(page->mapping, -EIO);
+		mapping_set_error(folio->mapping, -EIO);
 		/*
 		 * don't drop any dirty dentry pages for keeping lastest
 		 * directory structure.
@@ -2823,7 +2824,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
 		goto redirty_out;
 
-	if (page->index < end_index ||
+	if (folio->index < end_index ||
 			f2fs_verity_in_progress(inode) ||
 			compr_blocks)
 		goto write;
@@ -2833,10 +2834,10 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 	 * this page does not have to be written to disk.
 	 */
 	offset = i_size & (PAGE_SIZE - 1);
-	if ((page->index >= end_index + 1) || !offset)
+	if ((folio->index >= end_index + 1) || !offset)
 		goto out;
 
-	zero_user_segment(page, offset, PAGE_SIZE);
+	folio_zero_segment(folio, offset, folio_size(folio));
 write:
 	/* Dentry/quota blocks are controlled by checkpoint */
 	if (S_ISDIR(inode->i_mode) || quota_inode) {
@@ -2896,7 +2897,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 out:
 	inode_dec_dirty_pages(inode);
 	if (err) {
-		ClearPageUptodate(page);
+		folio_clear_uptodate(folio);
 		clear_page_private_gcing(page);
 	}
 
@@ -2906,7 +2907,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 		f2fs_remove_dirty_inode(inode);
 		submitted = NULL;
 	}
-	unlock_page(page);
+	folio_unlock(folio);
 	if (!S_ISDIR(inode->i_mode) && !IS_NOQUOTA(inode) &&
 			!F2FS_I(inode)->wb_task && allow_balance)
 		f2fs_balance_fs(sbi, need_balance_fs);
@@ -2924,7 +2925,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 	return 0;
 
 redirty_out:
-	redirty_page_for_writepage(wbc, page);
+	folio_redirty_for_writepage(wbc, folio);
 	/*
 	 * pageout() in MM translates EAGAIN, so calls handle_write_error()
 	 * -> mapping_set_error() -> set_bit(AS_EIO, ...).
@@ -2933,7 +2934,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 	 */
 	if (!err || wbc->for_reclaim)
 		return AOP_WRITEPAGE_ACTIVATE;
-	unlock_page(page);
+	folio_unlock(folio);
 	return err;
 }
 
@@ -2955,7 +2956,7 @@ static int f2fs_write_data_page(struct page *page,
 out:
 #endif
 
-	return f2fs_write_single_data_page(page, NULL, NULL, NULL,
+	return f2fs_write_single_data_page(page_folio(page), NULL, NULL, NULL,
 						wbc, FS_DATA_IO, 0, true);
 }
 
@@ -3165,7 +3166,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
 				continue;
 			}
 #endif
-			ret = f2fs_write_single_data_page(&folio->page,
+			ret = f2fs_write_single_data_page(folio,
 					&submitted, &bio, &last_block,
 					wbc, io_type, 0, true);
 			if (ret == AOP_WRITEPAGE_ACTIVATE)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 7c7760aa1a7c..5800ac90a5f7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3881,7 +3881,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 int f2fs_encrypt_one_page(struct f2fs_io_info *fio);
 bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
 bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
-int f2fs_write_single_data_page(struct page *page, int *submitted,
+int f2fs_write_single_data_page(struct folio *folio, int *submitted,
 				struct bio **bio, sector_t *last_block,
 				struct writeback_control *wbc,
 				enum iostat_type io_type,
-- 
2.40.1



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[f2fs-dev] [PATCH 6/9] f2fs: convert f2fs_do_write_meta_page() to use folio

[Chao Yu]

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/checkpoint.c |  2 +-
 fs/f2fs/f2fs.h       |  2 +-
 fs/f2fs/segment.c    | 14 +++++++-------
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index f3d22b8ef2ff..d73d4d05313e 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -362,7 +362,7 @@ static int __f2fs_write_meta_page(struct page *page,
 	if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))
 		goto redirty_out;
 
-	f2fs_do_write_meta_page(sbi, page, io_type);
+	f2fs_do_write_meta_page(sbi, page_folio(page), io_type);
 	dec_page_count(sbi, F2FS_DIRTY_META);
 
 	if (wbc->for_reclaim)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5800ac90a5f7..c29ed8b6eea6 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3732,7 +3732,7 @@ bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
 struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
 void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
 					block_t blk_addr);
-void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
+void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct folio *folio,
 						enum iostat_type io_type);
 void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
 void f2fs_outplace_write_data(struct dnode_of_data *dn,
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 741e46f9d0fd..2d1965bed443 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3822,7 +3822,7 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
 		f2fs_up_read(&fio->sbi->io_order_lock);
 }
 
-void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
+void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct folio *folio,
 					enum iostat_type io_type)
 {
 	struct f2fs_io_info fio = {
@@ -3831,20 +3831,20 @@ void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
 		.temp = HOT,
 		.op = REQ_OP_WRITE,
 		.op_flags = REQ_SYNC | REQ_META | REQ_PRIO,
-		.old_blkaddr = page->index,
-		.new_blkaddr = page->index,
-		.page = page,
+		.old_blkaddr = folio->index,
+		.new_blkaddr = folio->index,
+		.page = folio_page(folio, 0),
 		.encrypted_page = NULL,
 		.in_list = 0,
 	};
 
-	if (unlikely(page->index >= MAIN_BLKADDR(sbi)))
+	if (unlikely(folio->index >= MAIN_BLKADDR(sbi)))
 		fio.op_flags &= ~REQ_META;
 
-	set_page_writeback(page);
+	folio_start_writeback(folio);
 	f2fs_submit_page_write(&fio);
 
-	stat_inc_meta_count(sbi, page->index);
+	stat_inc_meta_count(sbi, folio->index);
 	f2fs_update_iostat(sbi, NULL, io_type, F2FS_BLKSIZE);
 }
 
-- 
2.40.1



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[f2fs-dev] [PATCH 7/9] f2fs: convert __f2fs_write_meta_page() to use folio

[Chao Yu]

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/checkpoint.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index d73d4d05313e..ffaf295a198a 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -345,30 +345,31 @@ static int __f2fs_write_meta_page(struct page *page,
 				enum iostat_type io_type)
 {
 	struct f2fs_sb_info *sbi = F2FS_P_SB(page);
+	struct folio *folio = page_folio(page);
 
-	trace_f2fs_writepage(page_folio(page), META);
+	trace_f2fs_writepage(folio, META);
 
 	if (unlikely(f2fs_cp_error(sbi))) {
 		if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) {
-			ClearPageUptodate(page);
+			folio_clear_uptodate(folio);
 			dec_page_count(sbi, F2FS_DIRTY_META);
-			unlock_page(page);
+			folio_unlock(folio);
 			return 0;
 		}
 		goto redirty_out;
 	}
 	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
 		goto redirty_out;
-	if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))
+	if (wbc->for_reclaim && folio->index < GET_SUM_BLOCK(sbi, 0))
 		goto redirty_out;
 
-	f2fs_do_write_meta_page(sbi, page_folio(page), io_type);
+	f2fs_do_write_meta_page(sbi, folio, io_type);
 	dec_page_count(sbi, F2FS_DIRTY_META);
 
 	if (wbc->for_reclaim)
 		f2fs_submit_merged_write_cond(sbi, NULL, page, 0, META);
 
-	unlock_page(page);
+	folio_unlock(folio);
 
 	if (unlikely(f2fs_cp_error(sbi)))
 		f2fs_submit_merged_write(sbi, META);
-- 
2.40.1



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[f2fs-dev] [PATCH 8/9] f2fs: convert f2fs_read_multi_pages() to use folio

[Chao Yu]

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/data.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 0779e222f709..9e21cfe11cc7 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2207,19 +2207,22 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 	/* get rid of pages beyond EOF */
 	for (i = 0; i < cc->cluster_size; i++) {
 		struct page *page = cc->rpages[i];
+		struct folio *folio;
 
 		if (!page)
 			continue;
-		if ((sector_t)page->index >= last_block_in_file) {
-			zero_user_segment(page, 0, PAGE_SIZE);
-			if (!PageUptodate(page))
-				SetPageUptodate(page);
-		} else if (!PageUptodate(page)) {
+
+		folio = page_folio(page);
+		if ((sector_t)folio->index >= last_block_in_file) {
+			folio_zero_segment(folio, 0, folio_size(folio));
+			if (!folio_test_uptodate(folio))
+				folio_mark_uptodate(folio);
+		} else if (!folio_test_uptodate(folio)) {
 			continue;
 		}
-		unlock_page(page);
+		folio_unlock(folio);
 		if (for_write)
-			put_page(page);
+			folio_put(folio);
 		cc->rpages[i] = NULL;
 		cc->nr_rpages--;
 	}
@@ -2279,7 +2282,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 	}
 
 	for (i = 0; i < cc->nr_cpages; i++) {
-		struct page *page = dic->cpages[i];
+		struct folio *folio = page_folio(dic->cpages[i]);
 		block_t blkaddr;
 		struct bio_post_read_ctx *ctx;
 
@@ -2289,7 +2292,8 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 
 		f2fs_wait_on_block_writeback(inode, blkaddr);
 
-		if (f2fs_load_compressed_page(sbi, page, blkaddr)) {
+		if (f2fs_load_compressed_page(sbi, folio_page(folio, 0),
+								blkaddr)) {
 			if (atomic_dec_and_test(&dic->remaining_pages)) {
 				f2fs_decompress_cluster(dic, true);
 				break;
@@ -2299,7 +2303,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 
 		if (bio && (!page_is_mergeable(sbi, bio,
 					*last_block_in_bio, blkaddr) ||
-		    !f2fs_crypt_mergeable_bio(bio, inode, page->index, NULL))) {
+		    !f2fs_crypt_mergeable_bio(bio, inode, folio->index, NULL))) {
 submit_and_realloc:
 			f2fs_submit_read_bio(sbi, bio, DATA);
 			bio = NULL;
@@ -2308,7 +2312,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 		if (!bio) {
 			bio = f2fs_grab_read_bio(inode, blkaddr, nr_pages,
 					f2fs_ra_op_flags(rac),
-					page->index, for_write);
+					folio->index, for_write);
 			if (IS_ERR(bio)) {
 				ret = PTR_ERR(bio);
 				f2fs_decompress_end_io(dic, ret, true);
@@ -2318,7 +2322,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 			}
 		}
 
-		if (bio_add_page(bio, page, blocksize, 0) < blocksize)
+		if (bio_add_folio(bio, folio, blocksize, 0) < blocksize)
 			goto submit_and_realloc;
 
 		ctx = get_post_read_ctx(bio);
-- 
2.40.1



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[f2fs-dev] [PATCH 9/9] f2fs: convert f2fs_handle_page_eio() to use folio

[Chao Yu]

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/checkpoint.c | 2 +-
 fs/f2fs/f2fs.h       | 6 ++++--
 fs/f2fs/node.c       | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index ffaf295a198a..7f76460b721f 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -99,7 +99,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
 	}
 
 	if (unlikely(!PageUptodate(page))) {
-		f2fs_handle_page_eio(sbi, page->index, META);
+		f2fs_handle_page_eio(sbi, page_folio(page), META);
 		f2fs_put_page(page, 1);
 		return ERR_PTR(-EIO);
 	}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index c29ed8b6eea6..28b6246e07f9 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4666,9 +4666,11 @@ static inline void f2fs_io_schedule_timeout(long timeout)
 	io_schedule_timeout(timeout);
 }
 
-static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, pgoff_t ofs,
-					enum page_type type)
+static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi,
+				struct folio *folio, enum page_type type)
 {
+	pgoff_t ofs = folio->index;
+
 	if (unlikely(f2fs_cp_error(sbi)))
 		return;
 
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 2b764c86aacc..7beaa3690e03 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1492,7 +1492,7 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
 out_put_err:
 	/* ENOENT comes from read_node_page which is not an error. */
 	if (err != -ENOENT)
-		f2fs_handle_page_eio(sbi, page->index, NODE);
+		f2fs_handle_page_eio(sbi, page_folio(page), NODE);
 	f2fs_put_page(page, 1);
 	return ERR_PTR(err);
 }
-- 
2.40.1



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Re: [f2fs-dev] [PATCH 1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio

[Jaegeuk Kim]

Could you please test this series? I hit kernel hang along with refcount warning
in f2fs_put_dic, when running fsstress. You can reproduce it quickly.

On 08/13, Chao Yu wrote:
> onvert 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 | 14 +++++++-------
>  fs/f2fs/data.c     |  4 ++--
>  fs/f2fs/f2fs.h     |  2 +-
>  3 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
> index 990b93689b46..eb5cd1457ffc 100644
> --- a/fs/f2fs/compress.c
> +++ b/fs/f2fs/compress.c
> @@ -160,17 +160,17 @@ void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse)
>  		cc->cluster_idx = NULL_CLUSTER;
>  }
>  
> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page)
> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio)
>  {
>  	unsigned int cluster_ofs;
>  
> -	if (!f2fs_cluster_can_merge_page(cc, page->index))
> +	if (!f2fs_cluster_can_merge_page(cc, folio->index))
>  		f2fs_bug_on(F2FS_I_SB(cc->inode), 1);
>  
> -	cluster_ofs = offset_in_cluster(cc, page->index);
> -	cc->rpages[cluster_ofs] = page;
> +	cluster_ofs = offset_in_cluster(cc, folio->index);
> +	cc->rpages[cluster_ofs] = folio_page(folio, 0);
>  	cc->nr_rpages++;
> -	cc->cluster_idx = cluster_idx(cc, page->index);
> +	cc->cluster_idx = cluster_idx(cc, folio->index);
>  }
>  
>  #ifdef CONFIG_F2FS_FS_LZO
> @@ -1093,7 +1093,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
>  		if (PageUptodate(page))
>  			f2fs_put_page(page, 1);
>  		else
> -			f2fs_compress_ctx_add_page(cc, page);
> +			f2fs_compress_ctx_add_page(cc, page_folio(page));
>  	}
>  
>  	if (!f2fs_cluster_is_empty(cc)) {
> @@ -1123,7 +1123,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
>  		}
>  
>  		f2fs_wait_on_page_writeback(page, DATA, true, true);
> -		f2fs_compress_ctx_add_page(cc, page);
> +		f2fs_compress_ctx_add_page(cc, page_folio(page));
>  
>  		if (!PageUptodate(page)) {
>  release_and_retry:
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index e9570f4e0f21..100b6526717f 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -2429,7 +2429,7 @@ static int f2fs_mpage_readpages(struct inode *inode,
>  		if (ret)
>  			goto set_error_page;
>  
> -		f2fs_compress_ctx_add_page(&cc, &folio->page);
> +		f2fs_compress_ctx_add_page(&cc, folio);
>  
>  		goto next_page;
>  read_single_page:
> @@ -3161,7 +3161,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
>  #ifdef CONFIG_F2FS_FS_COMPRESSION
>  			if (f2fs_compressed_file(inode)) {
>  				folio_get(folio);
> -				f2fs_compress_ctx_add_page(&cc, &folio->page);
> +				f2fs_compress_ctx_add_page(&cc, folio);
>  				continue;
>  			}
>  #endif
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 51fd5063a69c..df436dd3aac1 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -4322,7 +4322,7 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
>  bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
>  				int index, int nr_pages, bool uptodate);
>  bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio);
>  int f2fs_write_multi_pages(struct compress_ctx *cc,
>  						int *submitted,
>  						struct writeback_control *wbc,
> -- 
> 2.40.1


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Re: [f2fs-dev] [PATCH 1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio

[Chao Yu]

On 2024/8/14 6:24, Jaegeuk Kim wrote:
> Could you please test this series? I hit kernel hang along with refcount warning

Oops, I've did fstest before sending this patchset, however I missed to
cover w/ compression testcase..., so, too rush to push the patchset, sorry.

Will check and fix it soon.

Thanks,

> in f2fs_put_dic, when running fsstress. You can reproduce it quickly.
> 
> On 08/13, Chao Yu wrote:
>> onvert 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 | 14 +++++++-------
>>   fs/f2fs/data.c     |  4 ++--
>>   fs/f2fs/f2fs.h     |  2 +-
>>   3 files changed, 10 insertions(+), 10 deletions(-)
>>
>> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
>> index 990b93689b46..eb5cd1457ffc 100644
>> --- a/fs/f2fs/compress.c
>> +++ b/fs/f2fs/compress.c
>> @@ -160,17 +160,17 @@ void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse)
>>   		cc->cluster_idx = NULL_CLUSTER;
>>   }
>>   
>> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page)
>> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio)
>>   {
>>   	unsigned int cluster_ofs;
>>   
>> -	if (!f2fs_cluster_can_merge_page(cc, page->index))
>> +	if (!f2fs_cluster_can_merge_page(cc, folio->index))
>>   		f2fs_bug_on(F2FS_I_SB(cc->inode), 1);
>>   
>> -	cluster_ofs = offset_in_cluster(cc, page->index);
>> -	cc->rpages[cluster_ofs] = page;
>> +	cluster_ofs = offset_in_cluster(cc, folio->index);
>> +	cc->rpages[cluster_ofs] = folio_page(folio, 0);
>>   	cc->nr_rpages++;
>> -	cc->cluster_idx = cluster_idx(cc, page->index);
>> +	cc->cluster_idx = cluster_idx(cc, folio->index);
>>   }
>>   
>>   #ifdef CONFIG_F2FS_FS_LZO
>> @@ -1093,7 +1093,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
>>   		if (PageUptodate(page))
>>   			f2fs_put_page(page, 1);
>>   		else
>> -			f2fs_compress_ctx_add_page(cc, page);
>> +			f2fs_compress_ctx_add_page(cc, page_folio(page));
>>   	}
>>   
>>   	if (!f2fs_cluster_is_empty(cc)) {
>> @@ -1123,7 +1123,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
>>   		}
>>   
>>   		f2fs_wait_on_page_writeback(page, DATA, true, true);
>> -		f2fs_compress_ctx_add_page(cc, page);
>> +		f2fs_compress_ctx_add_page(cc, page_folio(page));
>>   
>>   		if (!PageUptodate(page)) {
>>   release_and_retry:
>> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
>> index e9570f4e0f21..100b6526717f 100644
>> --- a/fs/f2fs/data.c
>> +++ b/fs/f2fs/data.c
>> @@ -2429,7 +2429,7 @@ static int f2fs_mpage_readpages(struct inode *inode,
>>   		if (ret)
>>   			goto set_error_page;
>>   
>> -		f2fs_compress_ctx_add_page(&cc, &folio->page);
>> +		f2fs_compress_ctx_add_page(&cc, folio);
>>   
>>   		goto next_page;
>>   read_single_page:
>> @@ -3161,7 +3161,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
>>   #ifdef CONFIG_F2FS_FS_COMPRESSION
>>   			if (f2fs_compressed_file(inode)) {
>>   				folio_get(folio);
>> -				f2fs_compress_ctx_add_page(&cc, &folio->page);
>> +				f2fs_compress_ctx_add_page(&cc, folio);
>>   				continue;
>>   			}
>>   #endif
>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
>> index 51fd5063a69c..df436dd3aac1 100644
>> --- a/fs/f2fs/f2fs.h
>> +++ b/fs/f2fs/f2fs.h
>> @@ -4322,7 +4322,7 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
>>   bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
>>   				int index, int nr_pages, bool uptodate);
>>   bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
>> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
>> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio);
>>   int f2fs_write_multi_pages(struct compress_ctx *cc,
>>   						int *submitted,
>>   						struct writeback_control *wbc,
>> -- 
>> 2.40.1



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Re: [f2fs-dev] [PATCH 1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio

[Chao Yu]

On 2024/8/14 6:24, Jaegeuk Kim wrote:
> Could you please test this series? I hit kernel hang along with refcount warning
> in f2fs_put_dic, when running fsstress. You can reproduce it quickly.

---
  fs/f2fs/data.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 9e21cfe11cc7..4f4e76c33611 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2322,7 +2322,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
  			}
  		}

-		if (bio_add_folio(bio, folio, blocksize, 0) < blocksize)
+		if (!bio_add_folio(bio, folio, blocksize, 0))
  			goto submit_and_realloc;

  		ctx = get_post_read_ctx(bio);
-- 
2.40.1

After applying this, it doesn't complain now.

Thanks,

> 
> On 08/13, Chao Yu wrote:
>> onvert 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 | 14 +++++++-------
>>   fs/f2fs/data.c     |  4 ++--
>>   fs/f2fs/f2fs.h     |  2 +-
>>   3 files changed, 10 insertions(+), 10 deletions(-)
>>
>> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
>> index 990b93689b46..eb5cd1457ffc 100644
>> --- a/fs/f2fs/compress.c
>> +++ b/fs/f2fs/compress.c
>> @@ -160,17 +160,17 @@ void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse)
>>   		cc->cluster_idx = NULL_CLUSTER;
>>   }
>>   
>> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page)
>> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio)
>>   {
>>   	unsigned int cluster_ofs;
>>   
>> -	if (!f2fs_cluster_can_merge_page(cc, page->index))
>> +	if (!f2fs_cluster_can_merge_page(cc, folio->index))
>>   		f2fs_bug_on(F2FS_I_SB(cc->inode), 1);
>>   
>> -	cluster_ofs = offset_in_cluster(cc, page->index);
>> -	cc->rpages[cluster_ofs] = page;
>> +	cluster_ofs = offset_in_cluster(cc, folio->index);
>> +	cc->rpages[cluster_ofs] = folio_page(folio, 0);
>>   	cc->nr_rpages++;
>> -	cc->cluster_idx = cluster_idx(cc, page->index);
>> +	cc->cluster_idx = cluster_idx(cc, folio->index);
>>   }
>>   
>>   #ifdef CONFIG_F2FS_FS_LZO
>> @@ -1093,7 +1093,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
>>   		if (PageUptodate(page))
>>   			f2fs_put_page(page, 1);
>>   		else
>> -			f2fs_compress_ctx_add_page(cc, page);
>> +			f2fs_compress_ctx_add_page(cc, page_folio(page));
>>   	}
>>   
>>   	if (!f2fs_cluster_is_empty(cc)) {
>> @@ -1123,7 +1123,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
>>   		}
>>   
>>   		f2fs_wait_on_page_writeback(page, DATA, true, true);
>> -		f2fs_compress_ctx_add_page(cc, page);
>> +		f2fs_compress_ctx_add_page(cc, page_folio(page));
>>   
>>   		if (!PageUptodate(page)) {
>>   release_and_retry:
>> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
>> index e9570f4e0f21..100b6526717f 100644
>> --- a/fs/f2fs/data.c
>> +++ b/fs/f2fs/data.c
>> @@ -2429,7 +2429,7 @@ static int f2fs_mpage_readpages(struct inode *inode,
>>   		if (ret)
>>   			goto set_error_page;
>>   
>> -		f2fs_compress_ctx_add_page(&cc, &folio->page);
>> +		f2fs_compress_ctx_add_page(&cc, folio);
>>   
>>   		goto next_page;
>>   read_single_page:
>> @@ -3161,7 +3161,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
>>   #ifdef CONFIG_F2FS_FS_COMPRESSION
>>   			if (f2fs_compressed_file(inode)) {
>>   				folio_get(folio);
>> -				f2fs_compress_ctx_add_page(&cc, &folio->page);
>> +				f2fs_compress_ctx_add_page(&cc, folio);
>>   				continue;
>>   			}
>>   #endif
>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
>> index 51fd5063a69c..df436dd3aac1 100644
>> --- a/fs/f2fs/f2fs.h
>> +++ b/fs/f2fs/f2fs.h
>> @@ -4322,7 +4322,7 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
>>   bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
>>   				int index, int nr_pages, bool uptodate);
>>   bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
>> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
>> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio);
>>   int f2fs_write_multi_pages(struct compress_ctx *cc,
>>   						int *submitted,
>>   						struct writeback_control *wbc,
>> -- 
>> 2.40.1



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Re: [f2fs-dev] [PATCH 1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio

[patchwork-bot+f2fs--- via Linux-f2fs-devel]

Hello:

This series was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Tue, 13 Aug 2024 22:13:23 +0800 you wrote:
> onvert 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>
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/2cbbc4f94317
  - [f2fs-dev,2/9] f2fs: convert f2fs_vm_page_mkwrite() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/8ed263450530
  - [f2fs-dev,3/9] f2fs: convert f2fs_clear_page_cache_dirty_tag() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/71aa6bbfc247
  - [f2fs-dev,4/9] f2fs: convert f2fs_write_inline_data() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/333ad04822f5
  - [f2fs-dev,5/9] f2fs: convert f2fs_write_single_data_page() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/65826f2732fa
  - [f2fs-dev,6/9] f2fs: convert f2fs_do_write_meta_page() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/9f9bbd634792
  - [f2fs-dev,7/9] f2fs: convert __f2fs_write_meta_page() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/1b9eb6539810
  - [f2fs-dev,8/9] f2fs: convert f2fs_read_multi_pages() to use folio
    (no matching commit)
  - [f2fs-dev,9/9] f2fs: convert f2fs_handle_page_eio() to use folio
    https://git.kernel.org/jaegeuk/f2fs/c/6d899d7e3999

You are awesome, thank you!
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