add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/f2fs/node.h
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@@ -38,6 +38,9 @@
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 /* return value for read_node_page */
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 #define LOCKED_PAGE	1
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+/* check pinned file's alignment status of physical blocks */
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+#define FILE_NOT_ALIGNED	1
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+
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 /* For flag in struct node_info */
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 enum {
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 	IS_CHECKPOINTED,	/* is it checkpointed before? */
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@@ -126,13 +129,13 @@
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 static inline bool excess_dirty_nats(struct f2fs_sb_info *sbi)
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 {
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-	return NM_I(sbi)->dirty_nat_cnt >= NM_I(sbi)->max_nid *
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+	return NM_I(sbi)->nat_cnt[DIRTY_NAT] >= NM_I(sbi)->max_nid *
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 					NM_I(sbi)->dirty_nats_ratio / 100;
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 }
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 static inline bool excess_cached_nats(struct f2fs_sb_info *sbi)
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 {
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-	return NM_I(sbi)->nat_cnt >= DEF_NAT_CACHE_THRESHOLD;
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+	return NM_I(sbi)->nat_cnt[TOTAL_NAT] >= DEF_NAT_CACHE_THRESHOLD;
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 }
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 static inline bool excess_dirty_nodes(struct f2fs_sb_info *sbi)
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@@ -145,8 +148,11 @@
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 	NAT_ENTRIES,	/* indicates the cached nat entry */
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 	DIRTY_DENTS,	/* indicates dirty dentry pages */
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 	INO_ENTRIES,	/* indicates inode entries */
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-	EXTENT_CACHE,	/* indicates extent cache */
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+	READ_EXTENT_CACHE,	/* indicates read extent cache */
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+	AGE_EXTENT_CACHE,	/* indicates age extent cache */
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 	INMEM_PAGES,	/* indicates inmemory pages */
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+	DISCARD_CACHE,	/* indicates memory of cached discard cmds */
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+	COMPRESS_PAGE,	/* indicates memory of cached compressed pages */
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 	BASE_CHECK,	/* check kernel status */
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 };
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@@ -388,20 +394,6 @@
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  *  - Mark cold node blocks in their node footer
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  *  - Mark cold data pages in page cache
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  */
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-static inline int is_cold_data(struct page *page)
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-{
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-	return PageChecked(page);
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-}
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-
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-static inline void set_cold_data(struct page *page)
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-{
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-	SetPageChecked(page);
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-}
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-
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-static inline void clear_cold_data(struct page *page)
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-{
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-	ClearPageChecked(page);
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-}
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 static inline int is_node(struct page *page, int type)
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 {
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@@ -412,21 +404,6 @@
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 #define is_cold_node(page)	is_node(page, COLD_BIT_SHIFT)
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 #define is_fsync_dnode(page)	is_node(page, FSYNC_BIT_SHIFT)
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 #define is_dent_dnode(page)	is_node(page, DENT_BIT_SHIFT)
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-
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-static inline int is_inline_node(struct page *page)
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-{
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-	return PageChecked(page);
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-}
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-
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-static inline void set_inline_node(struct page *page)
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-{
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-	SetPageChecked(page);
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-}
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-
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-static inline void clear_inline_node(struct page *page)
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-{
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-	ClearPageChecked(page);
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-}
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 static inline void set_cold_node(struct page *page, bool is_dir)
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 {