f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC

No functional change.
Reviewed-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/checkpoint.c

@@ -900,7 +900,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
 
 	cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);
 
-	if (cp_blocks > sbi->blocks_per_seg || cp_blocks <= F2FS_CP_PACKS) {
+	if (cp_blocks > BLKS_PER_SEG(sbi) || cp_blocks <= F2FS_CP_PACKS) {
 		f2fs_warn(sbi, "invalid cp_pack_total_block_count:%u",
 			  le32_to_cpu(cp_block->cp_pack_total_block_count));
 		goto invalid_cp;
@@ -1335,7 +1335,7 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 
 	if (cpc->reason & CP_UMOUNT) {
 		if (le32_to_cpu(ckpt->cp_pack_total_block_count) +
-			NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
+			NM_I(sbi)->nat_bits_blocks > BLKS_PER_SEG(sbi)) {
 			clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
 			f2fs_notice(sbi, "Disable nat_bits due to no space");
 		} else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
@@ -1538,7 +1538,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 		cp_ver |= ((__u64)crc32 << 32);
 		*(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);
 
-		blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
+		blk = start_blk + BLKS_PER_SEG(sbi) - nm_i->nat_bits_blocks;
 		for (i = 0; i < nm_i->nat_bits_blocks; i++)
 			f2fs_update_meta_page(sbi, nm_i->nat_bits +
 					(i << F2FS_BLKSIZE_BITS), blk + i);
@@ -1741,9 +1741,9 @@ void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
 		im->ino_num = 0;
 	}
 
-	sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
+	sbi->max_orphans = (BLKS_PER_SEG(sbi) - F2FS_CP_PACKS -
 			NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
-				F2FS_ORPHANS_PER_BLOCK;
+			F2FS_ORPHANS_PER_BLOCK;
 }
 
 int __init f2fs_create_checkpoint_caches(void)

fs/f2fs/debug.c

@@ -41,7 +41,7 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
 	total_vblocks = 0;
 	blks_per_sec = CAP_BLKS_PER_SEC(sbi);
 	hblks_per_sec = blks_per_sec / 2;
-	for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+	for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
 		vblocks = get_valid_blocks(sbi, segno, true);
 		dist = abs(vblocks - hblks_per_sec);
 		bimodal += dist * dist;
@@ -135,7 +135,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
 	si->cur_ckpt_time = sbi->cprc_info.cur_time;
 	si->peak_ckpt_time = sbi->cprc_info.peak_time;
 	spin_unlock(&sbi->cprc_info.stat_lock);
-	si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
+	si->total_count = (int)sbi->user_block_count / BLKS_PER_SEG(sbi);
 	si->rsvd_segs = reserved_segments(sbi);
 	si->overp_segs = overprovision_segments(sbi);
 	si->valid_count = valid_user_blocks(sbi);
@@ -208,7 +208,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
 		if (!blks)
 			continue;
 
-		if (blks == sbi->blocks_per_seg)
+		if (blks == BLKS_PER_SEG(sbi))
 			si->full_seg[type]++;
 		else
 			si->dirty_seg[type]++;

fs/f2fs/f2fs.h

@@ -1813,6 +1813,14 @@ struct f2fs_sb_info {
 #endif
 };
 
+/* Definitions to access f2fs_sb_info */
+#define BLKS_PER_SEG(sbi)					\
+	((sbi)->blocks_per_seg)
+#define BLKS_PER_SEC(sbi)					\
+	((sbi)->segs_per_sec << (sbi)->log_blocks_per_seg)
+#define SEGS_PER_SEC(sbi)					\
+	((sbi)->segs_per_sec)
+
 __printf(3, 4)
 void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, ...);
 
@@ -2511,11 +2519,8 @@ static inline int get_dirty_pages(struct inode *inode)
 
 static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
 {
-	unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
-	unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
-						sbi->log_blocks_per_seg;
-
-	return segs / sbi->segs_per_sec;
+	return div_u64(get_pages(sbi, block_type) + BLKS_PER_SEC(sbi) - 1,
+							BLKS_PER_SEC(sbi));
 }
 
 static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
@@ -2579,7 +2584,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
 	block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
 
 	if (sbi->cur_cp_pack == 2)
-		start_addr += sbi->blocks_per_seg;
+		start_addr += BLKS_PER_SEG(sbi);
 	return start_addr;
 }
 
@@ -2588,7 +2593,7 @@ static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
 	block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
 
 	if (sbi->cur_cp_pack == 1)
-		start_addr += sbi->blocks_per_seg;
+		start_addr += BLKS_PER_SEG(sbi);
 	return start_addr;
 }
 
@@ -3458,7 +3463,7 @@ static inline __le32 *get_dnode_addr(struct inode *inode,
 		sizeof((f2fs_inode)->field))			\
 		<= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize)))	\
 
-#define __is_large_section(sbi)		((sbi)->segs_per_sec > 1)
+#define __is_large_section(sbi)		(SEGS_PER_SEC(sbi) > 1)
 
 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
 

fs/f2fs/file.c

@@ -2580,7 +2580,6 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
 					.m_may_create = false };
 	struct extent_info ei = {};
 	pgoff_t pg_start, pg_end, next_pgofs;
-	unsigned int blk_per_seg = sbi->blocks_per_seg;
 	unsigned int total = 0, sec_num;
 	block_t blk_end = 0;
 	bool fragmented = false;
@@ -2689,7 +2688,8 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
 		set_inode_flag(inode, FI_SKIP_WRITES);
 
 		idx = map.m_lblk;
-		while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
+		while (idx < map.m_lblk + map.m_len &&
+						cnt < BLKS_PER_SEG(sbi)) {
 			struct page *page;
 
 			page = f2fs_get_lock_data_page(inode, idx, true);
@@ -2709,7 +2709,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
 
 		map.m_lblk = idx;
 check:
-		if (map.m_lblk < pg_end && cnt < blk_per_seg)
+		if (map.m_lblk < pg_end && cnt < BLKS_PER_SEG(sbi))
 			goto do_map;
 
 		clear_inode_flag(inode, FI_SKIP_WRITES);
@@ -2978,8 +2978,8 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg)
 
 	if (!f2fs_is_multi_device(sbi) || sbi->s_ndevs - 1 <= range.dev_num ||
 			__is_large_section(sbi)) {
-		f2fs_warn(sbi, "Can't flush %u in %d for segs_per_sec %u != 1",
-			  range.dev_num, sbi->s_ndevs, sbi->segs_per_sec);
+		f2fs_warn(sbi, "Can't flush %u in %d for SEGS_PER_SEC %u != 1",
+			  range.dev_num, sbi->s_ndevs, SEGS_PER_SEC(sbi));
 		return -EINVAL;
 	}
 
@@ -4081,7 +4081,6 @@ static int f2fs_ioc_decompress_file(struct file *filp)
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct f2fs_inode_info *fi = F2FS_I(inode);
 	pgoff_t page_idx = 0, last_idx;
-	unsigned int blk_per_seg = sbi->blocks_per_seg;
 	int cluster_size = fi->i_cluster_size;
 	int count, ret;
 
@@ -4125,7 +4124,7 @@ static int f2fs_ioc_decompress_file(struct file *filp)
 		if (ret < 0)
 			break;
 
-		if (get_dirty_pages(inode) >= blk_per_seg) {
+		if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
 			ret = filemap_fdatawrite(inode->i_mapping);
 			if (ret < 0)
 				break;
@@ -4160,7 +4159,6 @@ static int f2fs_ioc_compress_file(struct file *filp)
 	struct inode *inode = file_inode(filp);
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	pgoff_t page_idx = 0, last_idx;
-	unsigned int blk_per_seg = sbi->blocks_per_seg;
 	int cluster_size = F2FS_I(inode)->i_cluster_size;
 	int count, ret;
 
@@ -4203,7 +4201,7 @@ static int f2fs_ioc_compress_file(struct file *filp)
 		if (ret < 0)
 			break;
 
-		if (get_dirty_pages(inode) >= blk_per_seg) {
+		if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
 			ret = filemap_fdatawrite(inode->i_mapping);
 			if (ret < 0)
 				break;

fs/f2fs/gc.c

@@ -259,7 +259,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
 		p->ofs_unit = 1;
 	} else {
 		p->gc_mode = select_gc_type(sbi, gc_type);
-		p->ofs_unit = sbi->segs_per_sec;
+		p->ofs_unit = SEGS_PER_SEC(sbi);
 		if (__is_large_section(sbi)) {
 			p->dirty_bitmap = dirty_i->dirty_secmap;
 			p->max_search = count_bits(p->dirty_bitmap,
@@ -282,7 +282,8 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
 
 	/* let's select beginning hot/small space first in no_heap mode*/
 	if (f2fs_need_rand_seg(sbi))
-		p->offset = get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+		p->offset = get_random_u32_below(MAIN_SECS(sbi) *
+						SEGS_PER_SEC(sbi));
 	else if (test_opt(sbi, NOHEAP) &&
 		(type == CURSEG_HOT_DATA || IS_NODESEG(type)))
 		p->offset = 0;
@@ -295,13 +296,13 @@ static unsigned int get_max_cost(struct f2fs_sb_info *sbi,
 {
 	/* SSR allocates in a segment unit */
 	if (p->alloc_mode == SSR)
-		return sbi->blocks_per_seg;
+		return BLKS_PER_SEG(sbi);
 	else if (p->alloc_mode == AT_SSR)
 		return UINT_MAX;
 
 	/* LFS */
 	if (p->gc_mode == GC_GREEDY)
-		return 2 * sbi->blocks_per_seg * p->ofs_unit;
+		return 2 * BLKS_PER_SEG(sbi) * p->ofs_unit;
 	else if (p->gc_mode == GC_CB)
 		return UINT_MAX;
 	else if (p->gc_mode == GC_AT)
@@ -496,9 +497,9 @@ static void add_victim_entry(struct f2fs_sb_info *sbi,
 			return;
 	}
 
-	for (i = 0; i < sbi->segs_per_sec; i++)
+	for (i = 0; i < SEGS_PER_SEC(sbi); i++)
 		mtime += get_seg_entry(sbi, start + i)->mtime;
-	mtime = div_u64(mtime, sbi->segs_per_sec);
+	mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
 
 	/* Handle if the system time has changed by the user */
 	if (mtime < sit_i->min_mtime)
@@ -599,7 +600,6 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
 	unsigned long long age;
 	unsigned long long max_mtime = sit_i->dirty_max_mtime;
 	unsigned long long min_mtime = sit_i->dirty_min_mtime;
-	unsigned int seg_blocks = sbi->blocks_per_seg;
 	unsigned int vblocks;
 	unsigned int dirty_threshold = max(am->max_candidate_count,
 					am->candidate_ratio *
@@ -629,7 +629,7 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
 	f2fs_bug_on(sbi, !vblocks);
 
 	/* rare case */
-	if (vblocks == seg_blocks)
+	if (vblocks == BLKS_PER_SEG(sbi))
 		goto skip_node;
 
 	iter++;
@@ -755,7 +755,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
 	int ret = 0;
 
 	mutex_lock(&dirty_i->seglist_lock);
-	last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec;
+	last_segment = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);
 
 	p.alloc_mode = alloc_mode;
 	p.age = age;
@@ -896,7 +896,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
 			else
 				sm->last_victim[p.gc_mode] = segno + p.ofs_unit;
 			sm->last_victim[p.gc_mode] %=
-				(MAIN_SECS(sbi) * sbi->segs_per_sec);
+				(MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));
 			break;
 		}
 	}
@@ -1670,7 +1670,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
 	struct f2fs_summary_block *sum;
 	struct blk_plug plug;
 	unsigned int segno = start_segno;
-	unsigned int end_segno = start_segno + sbi->segs_per_sec;
+	unsigned int end_segno = start_segno + SEGS_PER_SEC(sbi);
 	int seg_freed = 0, migrated = 0;
 	unsigned char type = IS_DATASEG(get_seg_entry(sbi, segno)->type) ?
 						SUM_TYPE_DATA : SUM_TYPE_NODE;
@@ -1678,7 +1678,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
 	int submitted = 0;
 
 	if (__is_large_section(sbi))
-		end_segno = rounddown(end_segno, sbi->segs_per_sec);
+		end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));
 
 	/*
 	 * zone-capacity can be less than zone-size in zoned devices,
@@ -1686,7 +1686,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
 	 * calculate the end segno in the zone which can be garbage collected
 	 */
 	if (f2fs_sb_has_blkzoned(sbi))
-		end_segno -= sbi->segs_per_sec -
+		end_segno -= SEGS_PER_SEC(sbi) -
 					f2fs_usable_segs_in_sec(sbi, segno);
 
 	sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
@@ -1986,7 +1986,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
 
 	/* Force block allocation for GC */
 	MAIN_SECS(sbi) -= secs;
-	start = MAIN_SECS(sbi) * sbi->segs_per_sec;
+	start = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);
 	end = MAIN_SEGS(sbi) - 1;
 
 	mutex_lock(&DIRTY_I(sbi)->seglist_lock);
@@ -2004,7 +2004,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
 		f2fs_allocate_segment_for_resize(sbi, type, start, end);
 
 	/* do GC to move out valid blocks in the range */
-	for (segno = start; segno <= end; segno += sbi->segs_per_sec) {
+	for (segno = start; segno <= end; segno += SEGS_PER_SEC(sbi)) {
 		struct gc_inode_list gc_list = {
 			.ilist = LIST_HEAD_INIT(gc_list.ilist),
 			.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
@@ -2048,7 +2048,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
 	int segment_count;
 	int segment_count_main;
 	long long block_count;
-	int segs = secs * sbi->segs_per_sec;
+	int segs = secs * SEGS_PER_SEC(sbi);
 
 	f2fs_down_write(&sbi->sb_lock);
 
@@ -2061,7 +2061,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
 	raw_sb->segment_count = cpu_to_le32(segment_count + segs);
 	raw_sb->segment_count_main = cpu_to_le32(segment_count_main + segs);
 	raw_sb->block_count = cpu_to_le64(block_count +
-					(long long)segs * sbi->blocks_per_seg);
+			(long long)(segs << sbi->log_blocks_per_seg));
 	if (f2fs_is_multi_device(sbi)) {
 		int last_dev = sbi->s_ndevs - 1;
 		int dev_segs =
@@ -2076,8 +2076,8 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
 
 static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
 {
-	int segs = secs * sbi->segs_per_sec;
-	long long blks = (long long)segs * sbi->blocks_per_seg;
+	int segs = secs * SEGS_PER_SEC(sbi);
+	long long blks = (long long)segs << sbi->log_blocks_per_seg;
 	long long user_block_count =
 				le64_to_cpu(F2FS_CKPT(sbi)->user_block_count);
 
@@ -2119,7 +2119,7 @@ int f2fs_resize_fs(struct file *filp, __u64 block_count)
 		int last_dev = sbi->s_ndevs - 1;
 		__u64 last_segs = FDEV(last_dev).total_segments;
 
-		if (block_count + last_segs * sbi->blocks_per_seg <=
+		if (block_count + (last_segs << sbi->log_blocks_per_seg) <=
 								old_block_count)
 			return -EINVAL;
 	}

fs/f2fs/node.c

@@ -2841,7 +2841,7 @@ int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
 	int i, idx, last_offset, nrpages;
 
 	/* scan the node segment */
-	last_offset = sbi->blocks_per_seg;
+	last_offset = BLKS_PER_SEG(sbi);
 	addr = START_BLOCK(sbi, segno);
 	sum_entry = &sum->entries[0];
 
@@ -3158,7 +3158,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
 	if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
 		return 0;
 
-	nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
+	nat_bits_addr = __start_cp_addr(sbi) + BLKS_PER_SEG(sbi) -
 						nm_i->nat_bits_blocks;
 	for (i = 0; i < nm_i->nat_bits_blocks; i++) {
 		struct page *page;

fs/f2fs/node.h

@@ -208,10 +208,10 @@ static inline pgoff_t current_nat_addr(struct f2fs_sb_info *sbi, nid_t start)
 
 	block_addr = (pgoff_t)(nm_i->nat_blkaddr +
 		(block_off << 1) -
-		(block_off & (sbi->blocks_per_seg - 1)));
+		(block_off & (BLKS_PER_SEG(sbi) - 1)));
 
 	if (f2fs_test_bit(block_off, nm_i->nat_bitmap))
-		block_addr += sbi->blocks_per_seg;
+		block_addr += BLKS_PER_SEG(sbi);
 
 	return block_addr;
 }

fs/f2fs/recovery.c

@@ -354,7 +354,7 @@ static unsigned int adjust_por_ra_blocks(struct f2fs_sb_info *sbi,
 	if (blkaddr + 1 == next_blkaddr)
 		ra_blocks = min_t(unsigned int, RECOVERY_MAX_RA_BLOCKS,
 							ra_blocks * 2);
-	else if (next_blkaddr % sbi->blocks_per_seg)
+	else if (next_blkaddr % BLKS_PER_SEG(sbi))
 		ra_blocks = max_t(unsigned int, RECOVERY_MIN_RA_BLOCKS,
 							ra_blocks / 2);
 	return ra_blocks;

fs/f2fs/segment.h

@@ -48,21 +48,21 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
 
 #define IS_CURSEC(sbi, secno)						\
 	(((secno) == CURSEG_I(sbi, CURSEG_HOT_DATA)->segno /		\
-	  (sbi)->segs_per_sec) ||	\
+	  SEGS_PER_SEC(sbi)) ||	\
 	 ((secno) == CURSEG_I(sbi, CURSEG_WARM_DATA)->segno /		\
-	  (sbi)->segs_per_sec) ||	\
+	  SEGS_PER_SEC(sbi)) ||	\
 	 ((secno) == CURSEG_I(sbi, CURSEG_COLD_DATA)->segno /		\
-	  (sbi)->segs_per_sec) ||	\
+	  SEGS_PER_SEC(sbi)) ||	\
 	 ((secno) == CURSEG_I(sbi, CURSEG_HOT_NODE)->segno /		\
-	  (sbi)->segs_per_sec) ||	\
+	  SEGS_PER_SEC(sbi)) ||	\
 	 ((secno) == CURSEG_I(sbi, CURSEG_WARM_NODE)->segno /		\
-	  (sbi)->segs_per_sec) ||	\
+	  SEGS_PER_SEC(sbi)) ||	\
 	 ((secno) == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno /		\
-	  (sbi)->segs_per_sec) ||	\
+	  SEGS_PER_SEC(sbi)) ||	\
 	 ((secno) == CURSEG_I(sbi, CURSEG_COLD_DATA_PINNED)->segno /	\
-	  (sbi)->segs_per_sec) ||	\
+	  SEGS_PER_SEC(sbi)) ||	\
 	 ((secno) == CURSEG_I(sbi, CURSEG_ALL_DATA_ATGC)->segno /	\
-	  (sbi)->segs_per_sec))
+	  SEGS_PER_SEC(sbi)))
 
 #define MAIN_BLKADDR(sbi)						\
 	(SM_I(sbi) ? SM_I(sbi)->main_blkaddr : 				\
@@ -93,24 +93,22 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
 #define GET_SEGNO_FROM_SEG0(sbi, blk_addr)				\
 	(GET_SEGOFF_FROM_SEG0(sbi, blk_addr) >> (sbi)->log_blocks_per_seg)
 #define GET_BLKOFF_FROM_SEG0(sbi, blk_addr)				\
-	(GET_SEGOFF_FROM_SEG0(sbi, blk_addr) & ((sbi)->blocks_per_seg - 1))
+	(GET_SEGOFF_FROM_SEG0(sbi, blk_addr) & (BLKS_PER_SEG(sbi) - 1))
 
 #define GET_SEGNO(sbi, blk_addr)					\
 	((!__is_valid_data_blkaddr(blk_addr)) ?			\
 	NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi),			\
 		GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
-#define BLKS_PER_SEC(sbi)					\
-	((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
 #define CAP_BLKS_PER_SEC(sbi)					\
-	((sbi)->segs_per_sec * (sbi)->blocks_per_seg -		\
+	(SEGS_PER_SEC(sbi) * BLKS_PER_SEG(sbi) -		\
 	 (sbi)->unusable_blocks_per_sec)
 #define CAP_SEGS_PER_SEC(sbi)					\
-	((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
+	(SEGS_PER_SEC(sbi) - ((sbi)->unusable_blocks_per_sec >>	\
 	(sbi)->log_blocks_per_seg))
 #define GET_SEC_FROM_SEG(sbi, segno)				\
-	(((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
+	(((segno) == -1) ? -1 : (segno) / SEGS_PER_SEC(sbi))
 #define GET_SEG_FROM_SEC(sbi, secno)				\
-	((secno) * (sbi)->segs_per_sec)
+	((secno) * SEGS_PER_SEC(sbi))
 #define GET_ZONE_FROM_SEC(sbi, secno)				\
 	(((secno) == -1) ? -1 : (secno) / (sbi)->secs_per_zone)
 #define GET_ZONE_FROM_SEG(sbi, segno)				\
@@ -364,7 +362,7 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
 		unsigned int blocks = 0;
 		int i;
 
-		for (i = 0; i < sbi->segs_per_sec; i++, start_segno++) {
+		for (i = 0; i < SEGS_PER_SEC(sbi); i++, start_segno++) {
 			struct seg_entry *se = get_seg_entry(sbi, start_segno);
 
 			blocks += se->ckpt_valid_blocks;
@@ -449,7 +447,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
 	free_i->free_segments++;
 
 	next = find_next_bit(free_i->free_segmap,
-			start_segno + sbi->segs_per_sec, start_segno);
+			start_segno + SEGS_PER_SEC(sbi), start_segno);
 	if (next >= start_segno + usable_segs) {
 		clear_bit(secno, free_i->free_secmap);
 		free_i->free_sections++;
@@ -485,7 +483,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
 		if (!inmem && IS_CURSEC(sbi, secno))
 			goto skip_free;
 		next = find_next_bit(free_i->free_segmap,
-				start_segno + sbi->segs_per_sec, start_segno);
+				start_segno + SEGS_PER_SEC(sbi), start_segno);
 		if (next >= start_segno + usable_segs) {
 			if (test_and_clear_bit(secno, free_i->free_secmap))
 				free_i->free_sections++;
@@ -793,10 +791,10 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
 		return -EFSCORRUPTED;
 	}
 
-	if (usable_blks_per_seg < sbi->blocks_per_seg)
+	if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
 		f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
-				sbi->blocks_per_seg,
-				usable_blks_per_seg) != sbi->blocks_per_seg);
+				BLKS_PER_SEG(sbi),
+				usable_blks_per_seg) != BLKS_PER_SEG(sbi));
 
 	/* check segment usage, and check boundary of a given segment number */
 	if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
@@ -915,9 +913,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
 		return 0;
 
 	if (type == DATA)
-		return sbi->blocks_per_seg;
+		return BLKS_PER_SEG(sbi);
 	else if (type == NODE)
-		return 8 * sbi->blocks_per_seg;
+		return 8 * BLKS_PER_SEG(sbi);
 	else if (type == META)
 		return 8 * BIO_MAX_VECS;
 	else

fs/f2fs/super.c

@@ -3643,7 +3643,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 	}
 
 	main_segs = le32_to_cpu(raw_super->segment_count_main);
-	blocks_per_seg = sbi->blocks_per_seg;
+	blocks_per_seg = BLKS_PER_SEG(sbi);
 
 	for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
 		if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs ||
@@ -3756,8 +3756,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
 	sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone);
 	sbi->total_sections = le32_to_cpu(raw_super->section_count);
 	sbi->total_node_count =
-		(le32_to_cpu(raw_super->segment_count_nat) / 2)
-			* sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;
+		((le32_to_cpu(raw_super->segment_count_nat) / 2) *
+		NAT_ENTRY_PER_BLOCK) << sbi->log_blocks_per_seg;
 	F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino);
 	F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
 	F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
@@ -3766,7 +3766,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
 	sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
 	sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
 	sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
-	sbi->migration_granularity = sbi->segs_per_sec;
+	sbi->migration_granularity = SEGS_PER_SEC(sbi);
 	sbi->seq_file_ra_mul = MIN_RA_MUL;
 	sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
 	sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;

fs/f2fs/sysfs.c

@@ -493,8 +493,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
 		spin_lock(&sbi->stat_lock);
 		if (t > (unsigned long)(sbi->user_block_count -
 				F2FS_OPTION(sbi).root_reserved_blocks -
-				sbi->blocks_per_seg *
-				SM_I(sbi)->additional_reserved_segments)) {
+				(SM_I(sbi)->additional_reserved_segments <<
+					sbi->log_blocks_per_seg))) {
 			spin_unlock(&sbi->stat_lock);
 			return -EINVAL;
 		}
@@ -551,7 +551,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
 	}
 
 	if (!strcmp(a->attr.name, "migration_granularity")) {
-		if (t == 0 || t > sbi->segs_per_sec)
+		if (t == 0 || t > SEGS_PER_SEC(sbi))
 			return -EINVAL;
 	}