Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * fs/f2fs/node.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *             http://www.samsung.com/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) /* start node id of a node block dedicated to the given node id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #define	START_NID(nid) (((nid) / NAT_ENTRY_PER_BLOCK) * NAT_ENTRY_PER_BLOCK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) /* node block offset on the NAT area dedicated to the given start node id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #define	NAT_BLOCK_OFFSET(start_nid) ((start_nid) / NAT_ENTRY_PER_BLOCK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) /* # of pages to perform synchronous readahead before building free nids */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #define FREE_NID_PAGES	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #define MAX_FREE_NIDS	(NAT_ENTRY_PER_BLOCK * FREE_NID_PAGES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) /* size of free nid batch when shrinking */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define SHRINK_NID_BATCH_SIZE	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define DEF_RA_NID_PAGES	0	/* # of nid pages to be readaheaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) /* maximum readahead size for node during getting data blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define MAX_RA_NODE		128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) /* control the memory footprint threshold (10MB per 1GB ram) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define DEF_RAM_THRESHOLD	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) /* control dirty nats ratio threshold (default: 10% over max nid count) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define DEF_DIRTY_NAT_RATIO_THRESHOLD		10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) /* control total # of nats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define DEF_NAT_CACHE_THRESHOLD			100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) /* vector size for gang look-up from nat cache that consists of radix tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define NATVEC_SIZE	64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define SETVEC_SIZE	32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) /* return value for read_node_page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define LOCKED_PAGE	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) /* check pinned file's alignment status of physical blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define FILE_NOT_ALIGNED	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) /* For flag in struct node_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	IS_CHECKPOINTED,	/* is it checkpointed before? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	HAS_FSYNCED_INODE,	/* is the inode fsynced before? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	HAS_LAST_FSYNC,		/* has the latest node fsync mark? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	IS_DIRTY,		/* this nat entry is dirty? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	IS_PREALLOC,		/* nat entry is preallocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54)  * For node information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) struct node_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	nid_t nid;		/* node id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	nid_t ino;		/* inode number of the node's owner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	block_t	blk_addr;	/* block address of the node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	unsigned char version;	/* version of the node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	unsigned char flag;	/* for node information bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) struct nat_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	struct list_head list;	/* for clean or dirty nat list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	struct node_info ni;	/* in-memory node information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) #define nat_get_nid(nat)		((nat)->ni.nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) #define nat_set_nid(nat, n)		((nat)->ni.nid = (n))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) #define nat_get_blkaddr(nat)		((nat)->ni.blk_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) #define nat_set_blkaddr(nat, b)		((nat)->ni.blk_addr = (b))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) #define nat_get_ino(nat)		((nat)->ni.ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) #define nat_set_ino(nat, i)		((nat)->ni.ino = (i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) #define nat_get_version(nat)		((nat)->ni.version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) #define nat_set_version(nat, v)		((nat)->ni.version = (v))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) #define inc_node_version(version)	(++(version))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) static inline void copy_node_info(struct node_info *dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 						struct node_info *src)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	dst->nid = src->nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	dst->ino = src->ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	dst->blk_addr = src->blk_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	dst->version = src->version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	/* should not copy flag here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) static inline void set_nat_flag(struct nat_entry *ne,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 				unsigned int type, bool set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	unsigned char mask = 0x01 << type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	if (set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		ne->ni.flag |= mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		ne->ni.flag &= ~mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static inline bool get_nat_flag(struct nat_entry *ne, unsigned int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	unsigned char mask = 0x01 << type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	return ne->ni.flag & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static inline void nat_reset_flag(struct nat_entry *ne)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	/* these states can be set only after checkpoint was done */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	set_nat_flag(ne, IS_CHECKPOINTED, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	set_nat_flag(ne, HAS_FSYNCED_INODE, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	set_nat_flag(ne, HAS_LAST_FSYNC, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static inline void node_info_from_raw_nat(struct node_info *ni,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 						struct f2fs_nat_entry *raw_ne)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	ni->ino = le32_to_cpu(raw_ne->ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	ni->blk_addr = le32_to_cpu(raw_ne->block_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	ni->version = raw_ne->version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 						struct node_info *ni)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	raw_ne->ino = cpu_to_le32(ni->ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	raw_ne->block_addr = cpu_to_le32(ni->blk_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	raw_ne->version = ni->version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static inline bool excess_dirty_nats(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	return NM_I(sbi)->nat_cnt[DIRTY_NAT] >= NM_I(sbi)->max_nid *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 					NM_I(sbi)->dirty_nats_ratio / 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static inline bool excess_cached_nats(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	return NM_I(sbi)->nat_cnt[TOTAL_NAT] >= DEF_NAT_CACHE_THRESHOLD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static inline bool excess_dirty_nodes(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	return get_pages(sbi, F2FS_DIRTY_NODES) >= sbi->blocks_per_seg * 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) enum mem_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	FREE_NIDS,	/* indicates the free nid list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	NAT_ENTRIES,	/* indicates the cached nat entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	DIRTY_DENTS,	/* indicates dirty dentry pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	INO_ENTRIES,	/* indicates inode entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	EXTENT_CACHE,	/* indicates extent cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	INMEM_PAGES,	/* indicates inmemory pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	DISCARD_CACHE,	/* indicates memory of cached discard cmds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	COMPRESS_PAGE,	/* indicates memory of cached compressed pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	BASE_CHECK,	/* check kernel status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct nat_entry_set {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	struct list_head set_list;	/* link with other nat sets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	struct list_head entry_list;	/* link with dirty nat entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	nid_t set;			/* set number*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	unsigned int entry_cnt;		/* the # of nat entries in set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) struct free_nid {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	struct list_head list;	/* for free node id list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	nid_t nid;		/* node id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	int state;		/* in use or not: FREE_NID or PREALLOC_NID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static inline void next_free_nid(struct f2fs_sb_info *sbi, nid_t *nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	struct f2fs_nm_info *nm_i = NM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	struct free_nid *fnid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	spin_lock(&nm_i->nid_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	if (nm_i->nid_cnt[FREE_NID] <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		spin_unlock(&nm_i->nid_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	fnid = list_first_entry(&nm_i->free_nid_list, struct free_nid, list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	*nid = fnid->nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	spin_unlock(&nm_i->nid_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)  * inline functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static inline void get_nat_bitmap(struct f2fs_sb_info *sbi, void *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	struct f2fs_nm_info *nm_i = NM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) #ifdef CONFIG_F2FS_CHECK_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	if (memcmp(nm_i->nat_bitmap, nm_i->nat_bitmap_mir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 						nm_i->bitmap_size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		f2fs_bug_on(sbi, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	memcpy(addr, nm_i->nat_bitmap, nm_i->bitmap_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static inline pgoff_t current_nat_addr(struct f2fs_sb_info *sbi, nid_t start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	struct f2fs_nm_info *nm_i = NM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	pgoff_t block_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	pgoff_t block_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	 * block_off = segment_off * 512 + off_in_segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	 * OLD = (segment_off * 512) * 2 + off_in_segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	 * NEW = 2 * (segment_off * 512 + off_in_segment) - off_in_segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	block_off = NAT_BLOCK_OFFSET(start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	block_addr = (pgoff_t)(nm_i->nat_blkaddr +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		(block_off << 1) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		(block_off & (sbi->blocks_per_seg - 1)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	if (f2fs_test_bit(block_off, nm_i->nat_bitmap))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		block_addr += sbi->blocks_per_seg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	return block_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static inline pgoff_t next_nat_addr(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 						pgoff_t block_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	struct f2fs_nm_info *nm_i = NM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	block_addr -= nm_i->nat_blkaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	block_addr ^= 1 << sbi->log_blocks_per_seg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	return block_addr + nm_i->nat_blkaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static inline void set_to_next_nat(struct f2fs_nm_info *nm_i, nid_t start_nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	unsigned int block_off = NAT_BLOCK_OFFSET(start_nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	f2fs_change_bit(block_off, nm_i->nat_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) #ifdef CONFIG_F2FS_CHECK_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	f2fs_change_bit(block_off, nm_i->nat_bitmap_mir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static inline nid_t ino_of_node(struct page *node_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	struct f2fs_node *rn = F2FS_NODE(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	return le32_to_cpu(rn->footer.ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static inline nid_t nid_of_node(struct page *node_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	struct f2fs_node *rn = F2FS_NODE(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	return le32_to_cpu(rn->footer.nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static inline unsigned int ofs_of_node(struct page *node_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	struct f2fs_node *rn = F2FS_NODE(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	unsigned flag = le32_to_cpu(rn->footer.flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	return flag >> OFFSET_BIT_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static inline __u64 cpver_of_node(struct page *node_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	struct f2fs_node *rn = F2FS_NODE(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	return le64_to_cpu(rn->footer.cp_ver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static inline block_t next_blkaddr_of_node(struct page *node_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	struct f2fs_node *rn = F2FS_NODE(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	return le32_to_cpu(rn->footer.next_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) static inline void fill_node_footer(struct page *page, nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 				nid_t ino, unsigned int ofs, bool reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	struct f2fs_node *rn = F2FS_NODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	unsigned int old_flag = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	if (reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		memset(rn, 0, sizeof(*rn));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		old_flag = le32_to_cpu(rn->footer.flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	rn->footer.nid = cpu_to_le32(nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	rn->footer.ino = cpu_to_le32(ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	/* should remain old flag bits such as COLD_BIT_SHIFT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	rn->footer.flag = cpu_to_le32((ofs << OFFSET_BIT_SHIFT) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 					(old_flag & OFFSET_BIT_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) static inline void copy_node_footer(struct page *dst, struct page *src)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	struct f2fs_node *src_rn = F2FS_NODE(src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	struct f2fs_node *dst_rn = F2FS_NODE(dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	memcpy(&dst_rn->footer, &src_rn->footer, sizeof(struct node_footer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	struct f2fs_node *rn = F2FS_NODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	__u64 cp_ver = cur_cp_version(ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		cp_ver |= (cur_cp_crc(ckpt) << 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	rn->footer.cp_ver = cpu_to_le64(cp_ver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	rn->footer.next_blkaddr = cpu_to_le32(blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static inline bool is_recoverable_dnode(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	__u64 cp_ver = cur_cp_version(ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	/* Don't care crc part, if fsck.f2fs sets it. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	if (__is_set_ckpt_flags(ckpt, CP_NOCRC_RECOVERY_FLAG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		return (cp_ver << 32) == (cpver_of_node(page) << 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		cp_ver |= (cur_cp_crc(ckpt) << 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	return cp_ver == cpver_of_node(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)  * f2fs assigns the following node offsets described as (num).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)  * N = NIDS_PER_BLOCK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)  *  Inode block (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)  *    |- direct node (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)  *    |- direct node (2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)  *    |- indirect node (3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)  *    |            `- direct node (4 => 4 + N - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)  *    |- indirect node (4 + N)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)  *    |            `- direct node (5 + N => 5 + 2N - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)  *    `- double indirect node (5 + 2N)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)  *                 `- indirect node (6 + 2N)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)  *                       `- direct node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)  *                 ......
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)  *                 `- indirect node ((6 + 2N) + x(N + 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)  *                       `- direct node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)  *                 ......
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)  *                 `- indirect node ((6 + 2N) + (N - 1)(N + 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)  *                       `- direct node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) static inline bool IS_DNODE(struct page *node_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	unsigned int ofs = ofs_of_node(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	if (f2fs_has_xattr_block(ofs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	if (ofs == 3 || ofs == 4 + NIDS_PER_BLOCK ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 			ofs == 5 + 2 * NIDS_PER_BLOCK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	if (ofs >= 6 + 2 * NIDS_PER_BLOCK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		ofs -= 6 + 2 * NIDS_PER_BLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 		if (!((long int)ofs % (NIDS_PER_BLOCK + 1)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 			return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) static inline int set_nid(struct page *p, int off, nid_t nid, bool i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	struct f2fs_node *rn = F2FS_NODE(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	f2fs_wait_on_page_writeback(p, NODE, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	if (i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		rn->i.i_nid[off - NODE_DIR1_BLOCK] = cpu_to_le32(nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 		rn->in.nid[off] = cpu_to_le32(nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	return set_page_dirty(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) static inline nid_t get_nid(struct page *p, int off, bool i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	struct f2fs_node *rn = F2FS_NODE(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	if (i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 		return le32_to_cpu(rn->i.i_nid[off - NODE_DIR1_BLOCK]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	return le32_to_cpu(rn->in.nid[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)  * Coldness identification:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)  *  - Mark cold files in f2fs_inode_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)  *  - Mark cold node blocks in their node footer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)  *  - Mark cold data pages in page cache
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) static inline int is_node(struct page *page, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	struct f2fs_node *rn = F2FS_NODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	return le32_to_cpu(rn->footer.flag) & (1 << type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) #define is_cold_node(page)	is_node(page, COLD_BIT_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) #define is_fsync_dnode(page)	is_node(page, FSYNC_BIT_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) #define is_dent_dnode(page)	is_node(page, DENT_BIT_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) static inline void set_cold_node(struct page *page, bool is_dir)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	struct f2fs_node *rn = F2FS_NODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	unsigned int flag = le32_to_cpu(rn->footer.flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	if (is_dir)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 		flag &= ~(0x1 << COLD_BIT_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 		flag |= (0x1 << COLD_BIT_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	rn->footer.flag = cpu_to_le32(flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static inline void set_mark(struct page *page, int mark, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	struct f2fs_node *rn = F2FS_NODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	unsigned int flag = le32_to_cpu(rn->footer.flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	if (mark)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 		flag |= (0x1 << type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 		flag &= ~(0x1 << type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	rn->footer.flag = cpu_to_le32(flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) #ifdef CONFIG_F2FS_CHECK_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	f2fs_inode_chksum_set(F2FS_P_SB(page), page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) #define set_dentry_mark(page, mark)	set_mark(page, mark, DENT_BIT_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) #define set_fsync_mark(page, mark)	set_mark(page, mark, FSYNC_BIT_SHIFT)